rOLUMBIA LIBRARIES OFFSITE *^"eALTH SCIENCES STANDARD HX64067106 RD542 Ed22 A review of the hist Compliments of the Auih^ A Review of the History and Literature of Appendicitis BY GEORGE M. EDEBOHLS, A.M., M.D. NtW YimK Reprint from the Medical Record, November 2^, jSgg NEW YORK : THE PUBLISHERS' PRINTING COMPANY 32, 34 Lafayette Place iSqq 1?JD64:^ '^'1 <^.7 Columbia ®nit)ersttp COLLEGE OF PHYSICIANS AND SURGEONS LIBRARY Digitized by the Internet Archive in 2010 with funding from Open Knowledge Commons http://www.archive.org/details/reviewofhistorylOOedeb A Review of the History and Literature of Appendicitis BY GEORGE M. EDEBOHLS, A.M., M.D. NEW \OKfi Reprint from the Medical Record, November 2j, '^99 NEW YORK : THE PUBLISHERS' PRINTING COMPANY 32, 34 Lafayktte Place iSgg A REVIEW OF THE HISTORY AND LITERA- TURE OF APPENDICITIS. By GEORGE M. EDEBOHLS, A.M., M.D., NEW YORK. During the early part of the present year the writer had occasion to look up one or two points in connec- tion with the subject of appendicitis. He became in- terested and more and more deeply involved in the literature, until after a number of months, during which all his spare moments were devoted to the task, he found that he had read and passed in review about all that has ever been written upon appendicitis. The magnitude of the labor becomes apparent when it is stated" that the literature of appendicitis, up to and in- clusive of the year i8g8, embraces more than twenty- five hundred journal articles, dissertations, and books, all but a very small fractional part of which the writer has consulted in the original. As illustrating the rapid growth of the literature it may be stated that more than one-half of the twenty-five hundred journal articles, dissertations, and books have appeared within the past five years. Upon the conclusion of the task, and at the sugges- tion of the editor of the Medical Record, who thought that a historical review of the subject of appendicitis might interest some of the readers of his journal, the following notes were arranged for publication. Nomenclature. — Epityphlitis, ecphyaditis, and sco- lecoiditis have been proposed by Kuester, Morris, and Gerster, respectively, as synonyms for appendicitis. The term appendicitis, however, though a barbarism, is too firmly established by long and universal usage, both among the profession and the laity, to be displaced at this late day. We bow to the inevitable, and, for reasons which have been well set forth by Ellis,""* ac- cept the term appendicitis. General Historical Data. — The early history of ap- pendicitis is merged with and emerges from that of iliac phlegmon, typhlitis, paratyphlitis, and perityph- litis. Saracenus, in a letter dated August 28, 1642, published by Roussel,^"* describes an abscess in the right iliac region with discharge of fecal matter and fourteen lumbricoid worms, possibly the most ancient clear case of perityphlitic or appendicular abscess on record. A number of similar cases were published during more than a hundred years following, before Mestivier,"^ in 1759, recognized appendicitis as a dis- tinct entity. Mestivier incised an abscess in the right groin, in a woman far advanced in pregnancy, and on autopsy found at the bottom of the abscess the appen- dix vermiformis perforated by a pin. Toward the end of the eighteenth and during the early half of the nine- teeth century, appendicitis with perforation and abscess formation was often found in the dead-house and de- scribed by numerous writers. Yet, as late as 1838, so learned a man as Albers,' writing at length on typhlitis and perityphlitis, does not even mention the appendix — • proof that a knowledge of the existence of appendi- citis was by no means general at that time. The com- pl ications and sequelas of appendicitis, especially those fatal in character, were also noted during the early half of the present century. In 1846 Landsberg"" re- ported two cases of hernia, one inguinal and one fem- oral, containing the appendix. Hall,'" Zdekauer,"'* Monks,^'' Ohlmacher,"^-"* PoUosson,-'' Rotter,'"^' Rou- tier,'"" Kayser,''' Ginnard,'" and Gross'-" iiave since reported like experiences. In 1847 ^^^'^ diagnosis of appendicitis began to be made during life by Cless,'" Hancock,"" and others. In the fifties Cless,''" Bam- berger," and Leudet'""' reported large numbers cf per- sonal observations of perforative appendicitis \vith autopsies; Leudet, for example, reporting tliirteen cases of perforation and seventeen cases of simple ulceration of the appendix observed by him in three years. Skoda, ""^ in 1862, noted the spontaneous cure of appendicitis by obliteration, and advises a " harden- ing process " treatment with that end in view. V\ith,'" in 1879, fully described peritonitis appendicularis, and Bierhoff,^^ in 1880, gave an excellent, full, and elabo- rate description of the pathology of appendicitis, mod- ern in every respect except as to bacteriology. The classic of Fitz,'"^ which appeared in 1886, may fairly be said to have given the impetus to the intense and practical study of appendicitis of latter years. The bacteriology of appendicitis first received atten- tion in 189 1, chiefly at the hands of the Frenchmen Adenot ^ and Gouillioud,'^® soon followed by Ecke- horn,'"^ Weir,='^° Robb,"' Hodenpyl,'^' and others. The diagnosis of acute appendicitis was advanced more* than by all previous knowledge combined, by McBurney,^'^ when, in 1889, he discovered and estab- lished the value of *' McBurney's point." The intro- duction and elaboration, in 1894, by Edebohls,^" of palpation of the vermiform appendix finally placed us in a position to diagnose clearly and positively every case of chronic, and nearly every case of acute, appen- dicitis. The history of the origin and development of the operative treatment of perityphlitic abscess and of ap- pendicitis will receive full attention later on under a special heading. Frequency of Appendicitis As regards both the frequency of appendicitis and its relative frequency in the two sexes, the most remarkable and apparently irreconcilable statements are made by various investi- gators. While the belief is current that appendici- tis affects males in larger proportion than females, Einhorn,'" in eighteen thousand successive autopsies, found perforating appendicitis in 0.55 per cent, of males and 0.57 per cent, of females, and Robinson^'* in one hundred and twenty-eight autopsies as they came found evidences of past peritonitis on and about the appendix in sixty-six per cent, of female and fifty- six per cent, of male bodies. With "" quotes Toft as finding in three hundred autopsies one hundred and ninety entirely normal appendices and one hundred and ten appendices pre- senting more or less evidences of disease. Wallis/'^ on the contrary, in autopsies extending over nearly five years found only 1.7 per cent, of all appendices pre- senting evidences of disease. Fitz,"*"' in 1886, reports two hundred and fifty-seven cases of perforative appen- dicitis observed by him post mortem, and comments upon the frequency with which autopsy shows long- standing chronic inflammation without acute attacks. Ribbert '" and Zuckerkandl ^'^ have given us post-mor- tem statistics of obliterating appendicitis. The for- mer, in four hundred autopsies, found the appendix partially obliterated in 21.5 per cent, and completely obliterated in 3.5 percent.; the latter, in two hundred and thirty-two examinations, found 9.9 per cent, of partial and 13.8 per cent, of complete inflammatory obliteration of the lumen of the appendix. Clinically^ Edebohls'"' finds that four per cent, of all women have appendicitis. Anatomy of the Vermiform Appendix. — Accord- ing to Kelynack,'" the existence of the appendix does not appear to have been recognized previous to the sixteenth century, when it was described by Carpi, Estienne, and Vidus Vidius, the latter of whom applied the qualifying term "vermiform." Santorini and Sa- batier described it quite satisfactorily in the seven- teenth century. But it is only since the appearance of the classic of Lieberkiihn,^"^ in 1739, and that of Vosse,^" in 1749, that a description of the vermiform appendix has found its way into every text-book of anatomy. Finnell,"^ in 1S69, measured fifty male and fifty female appendices, and found the appendix averaged one-half inch longer in women than in men. Mott,"" Biggs, '^ Dade,'"* and others have put on record excep- tionally long appendices. The general anatomy of the appendix has received consideration at the hands of Hewson,'"' Ribbert,"' and many others. Ribbert's macro- and microscopical examinations of four hun- dred appendices deserve special mention. The varia- tions of position observed post mortem have been minutely investigated by Bryant.^" The peritoneal folds and fossae in the immediate neighborhood of the appendix are fully described and pictured by Lock- wood and Rolleston,'""^ Kelynack,'"' and Jonnesco.'^' Swan^"" records the only well-authenticated case of congenital absence of the appendix. Etiology of Appendicitis. — The causative factors in the production of appendicitis are universally ad- mitted by all writers to be very generally local in character. Fox,'"^ in 1885, called attention to the analogy between quinsy and appendicitis, in both of which lymphoid tissues identical in structure were in- volved. Atkinson'^ and Bloomfield,^'" in 1895, dis- cussed heredity as a cause, and "family appendicitis" was again brought forward by Faisans"' in 1896. In 1891 Adenot^ and Gouillioud '^''' developed the impor- tant role played by bacteria in the etiology of appen- dicitis. In 1895 and 1896 quite a crop of general causes of appendicitis sprang up in the literature. Frazer'-" writes of uratic typhlitis, Matthieu""' of la lithiase appe?idiculaire, and Simons'" describes a case of gouty appendicTtis. Rheumatism was advanced as a cause by Sutherland,"' followed by Beverley Robin- son. ■"■' Byron Robinson"*** finds the chief exciting cause of appendicitis in the action of the psoas mus- cle. La grippe is considered by a number of New York physicians of prominence and large experience a frequent cause of attacks of appendicitis. The etiol- 8 Ogy of relapses has been carefully and minutely studied by von Miyer.^^^ Goluboff "'^ calls appendi- citis an epidemic infectious disease. Edebohls'"" has pointed out the role played by movable right kidney in the production of appendicitis. Pathology of Appendicitis. — The general gross pathglogy of appendicitis has received full attention in the writings of Leudet,'"' With,"' Bierhof,='' Porter,''^' Fitz,''® and numerous others. Thd microscopical ap- pearances have been carefully studied by Craig," Ribbert,'""" Letulle and Weinberg.^"" The spontaneous cure of appendicitis by obliteration was noted by Skoda*"* in 1862. and the cure of perforation of the appendix by the same process was recorded by Pep- per^*'^ in 1857. Later, Senn,"" Zuckerkandl, '" and Piersol"'" wrote on " appendicitis obliterans," the last- named author designating it nature's cure. Catarrhal appendicitis, though generally recognized, has received but scant description, the only noteworthy contribu- tion, perhaps, being that of Deaver.'" The pathology of interval cases is well described and pictured by Abbe.' "Appendicite sous-he'patique " is considered worthy of special description by Glantenay."*^ The homology of appendicitis with salpingitis is insisted upon by Delbet."* A solitary case of intramural ab- scess of the appendix is recorded by Pilliet,"'" and a solitary observation cf suppurative typhlitis with a normal appendix by Lop.'*'* Foreign Bodies in the Appendix. — In former years foreign bodies in the appendix were considered under the head of etiology of appendicitis. In the light of modern views the permanent lodgment of foreign bodies in the appendix is probably more frequently the result than the cause cf appendicitis. In the fol- lowing list, by no means complete, of foreign bodies found in the appendix, reference to publication is omitted. Entozoa have been found in the appendix in the following varieties : Ascarides lumbricoides (Becque- rel, Patterson, Lang, Buck, Cuthbertson) ; Oxyuris vermicularis (Bierhof ) ; Tricocephalus dispar (Bier- hof). Coproliths have been found by everybody who has had much to do with post-mortem investigations or with the surgery of the appendix. Next to coproliths, pins have been the foreign bodies most frequently met in the appendix (Mestivier, Hewitt, Joffroy, Legg, Boussi, Ashby, Shoemaker, McPhaedran, Calmer, Van- derveer, Park). Other foreign bodies found in the appendix are: grape seeds (Briske, Pepper, Noyes, Kebb) ; melon seeds (Tavignot, Malespine, Edebohls) ; a chocolate nut (Prescott); a grain of oat (Price, Howe); cherry stones (Theurer, Werner, Reignier, Ferguson, For- mad) ; raspberry seeds (Vedder, Craig) ; prune stones (Vidal, Stuetzle) ; a date seed (Leaman) ; orange seeds (Thornton, Service) ; a bean (Cliquet, Haeker, Wy- man) ; tomato seeds (Edebohls); a fruit stone (Fir- ket) ; huckleberry seeds (Brundage) ; blackberry seeds (Vanderveer, Wilson) ; shell of hazelnut (Southam) ; a piece of chestnut (Owens, Formad) ; peanuts (Rosen- heimer) ; hair (Peterson, Hildebrandt) ; a bristle (Ward, Gibbons, Ulloa y Geralt); a glazier's point of zinc (Bartlett) ; a globule of solder (Morton) ; a gela- tin capsule (Roberts) ; a piece of bone (Ferguson, Coleman); apiece of screw nail (Ferguson); a rifle cartridge (Ransohoff); fin of a fish (Ashton); knot of a heavy silk ligature from a tubo-ovarian pedicle (Ede- bohls). Pathological Conditions Other than Inflammation Affecting the Vermiform Appendix. — For the sake of completeness I append a list of various diseased conditions of the appendix other than inflammatory, which I have found recorded in the literature: Pro- lapse of mucous membrane of appendix (Rolleston^""); invagination of appendix (^McKidd '^'^) •, intussuscep- TO tion of the appendix (McGraw,"^" Wright and Ren- shaw,^'' Waterhouse"') ; cystic dilatation of appendix (Gruber/''' Slioemaker/-^' Hawkins/^' Coats"); reten- tion cyst of appendix (Maylard,'^'' Sonnenburg^'^-') ; mucocele of appendix (Fe're,'" Vimont,"""" Baillet ") ; hydrops of vermiform appendix (Combemarle,"'' Gutt- mann,"" Ribbert ^^') ; tuberculosis of appendix (Apert '" and numerous others) ; echinococcus of appendix (Bierhof,^^ Birch-Hirschfeld "); actinomycosis of appendix (Ekehorn,'"° Gangolph and Duplant/^^ Czerny^^); cystic degeneration or alveolar carcinoma of appendix (Rokitansky'^'"^); primary colloid cancer of appendix (Draper^") ; primary cancer of appendix (Mosse and Daunic^^'); cancer of appendix (Stim- son"^") ; primary adenocarcinoma of appendix (Wright "^) ; primary endothelial sarcomata of appen- dix (Glazebrook '''). Bacteriology of the Appendix. — Clarke" has felic- itously entitled the appendix a culture tube. Since Adenot ^ and Gouillioud,"" in 1891, began the study of the bacteriology of the appendix and showed appendi- citis to be due, in practically every case, to bacterial invasion of the appendix walls, most frequently by the bacterium coli commune, researches in this direction have been continued with uninterrupted zeal and en- thusiasm by a number of workers. Ekehorn,'"" in 1892, proved that the bacterium coli manifested dif- erent degrees of virulence in different cases, and that it is present in every form of appendicitis, from the catarrhal onward. Robb,"'^" in 1892, reported a case of associated streptococcus infection of the vermiform appendix and right Fallopian tube. Morris,'^"*'* in 1893, published the first article with the distinct title, "Infectious Appendicitis."' Weir,""'" in 1893, found the diplococcus pneumonias in nearly pure culture in the appendix in a case of purulent appendicitis, and Ohlmacher,"" in the same year, found the proteus vul- garis. Hodenpyl,'^' in 1893, contributed a most im- I T portant bacteriological study of appendicitis based upon an examination of thirty-five cases. Achard and Broca/ in 1897, presented a noteworthy resume of the bacteria found in the peritoneal exudate in twenty cases of appendicitis. Beaussenat" has given us the most important paper on experimental appendicitis. His experiments, supplemented by those of Josue',''* prove that germs may invade the lymphoid tissue of the appendix by way of the blood and by way of the lymphatics, as well as through the mucous membrane. Hartmann and Reymond '^" report an observation of the passage of the bacterium coli from an appendix abscess through the intact bladder wall, causing infec- tious cystitis. Complications of Appendicitis. — The complications of appendicitis are impressive by reason of both their number and their gravity. Mortier,^" Little,""" Shef- fey,''' Bennett," Lincoln,'"*^ Perry,-'^' Andrews,^' Pi- tres,"' Hendricks,^'' Englisch,'^*^ Dale,'* Bierhof,'' Murray,"^ Weiss,^®'^ and Morris-'" have recorded cases of intestinal strangulation, the result of appendicitis. Death from hemorrhage has resulted from perforative ulceration, due to appendicitis, (a) of the small in- testine (Osier''") ; (^) of the sigmoid (Stedman^'=^) ; (c) of the right external iliac artery (Powell, '^'^ Sour- dille'"); {d) of the right iliac vein (Fowler,'"* Lewis""') . Other complications or sequelce noted are: Pro- lapse of the mucous membrane of the appendix into the caecum (Rolleston^"") ; invagination of the appendix (McKidd ""') ; discharge of the gangrenous appendix per rectum. (Jackson,^" Long"'") ; faecal fistula (Long,"" Rioblanc,"' and numerous others') ; appendiculo-intes- tinal fistula through a suppurating mesenteric gland (Packard"^'); vesico-intestinal fistula (Keen''"); per- foration of the colon, rectum, and bladder (Roches- ter^'') ; perforation of the bladder (Clark,'" Boardman,'" Cameron") ; perforation into the bladder with forma- 12 tion of stone (Fowler''^^) ; localized and general peri- tonitis, by almost every writer; obliteration of the right crural artery by arteritis (Be'rard "'■') ; embolism of the left anterior tibial artery, with gangrene of the leg (Scheibenzuber^'') ; embolism of the pulmonary artery (McGregor) ; phlebitis of the right iliac-, phle- bitis of the left leg (Freeman'"); thrombosis of the right femoral vein (Legg''"*^) ; phlebitis and thrombosis of the vena mesenterica magna and portal pylephlebitis (Aufrecht," Ssawostjc^n' w'*^") ; purulent inflammation of the portal vein (Bacrnhoff,'^' Moers,"^ Machell,'^* Mynter,*"^ Carless^^); portal pylephlebitis and hepatic abscess (Traube,^" Pierson,''' Davat,'" Boussi,'" Jo- rand ''") ; hepatic abscess, " la foie appendiculaire ^' of Dieulafoy'^' (Krakowitzer,'^=^ Ashby,'' De Gennes,^' Shoemaker,'" Harte,"" Achard,' Nuding,'^" Pillietand Costes,''" Sheen, ^'^ Morton"^''); left perinephritic ab- scess, perforation of the diaphragm, left purulent pleu- ritis (Coats"^) ; right perinephritic abscess, perforation of the diaphragm, right empyema (Ardouard," Shiels,^''"* Rioblanc^''^) ; the same, with perforation of the lung (Thacher^"); the same, with gangrene of the lung (Mader-'^) ; right pleuro-pneumonia (Dupre "*) ; sub- phrenic abscess (Sachs,'" Freiberg'"*); perforation of the eighth intercostal space and right lung (McCal- lum,""' McPhaedran'"'"") ; purulent cystitis, due to mi- gration of the bacterium coli commune through the intact bladder wall (Hartmann and Reymond '"") ; pre- vesical abscess (Tuffier^^'); ureteritis, pyelonephritis (Hectoen'") ; scrotal abscess and purulent pleuritis (Lemariey"*'); multiple distant abscesses (Pirard^^'); glycosuria (Leidy'^'') ; fusion of the appendix to the gall bladder (Czerny," Edebohls). Beurnier,^*' Czer- ny,'" and Shoemaker^"^" have devoted special attention to the coexistence of appendicitis and membranous colitis. Herniae Containing the Appendix. — The appen- dix has frequently been found among the contents 13 of a hernial sac. Landsberg,"^ Hall,"^ Zdekauer,"' Monks,-"^ Ohlmacher,'"^ Kayser/^* and Gross"' have recorded cases of inguinal hernia containing the ap- pendix. The case of Hall is historical from the fact that it represents the first removal of the appendix with survival of the patient. Landsberg,'^' Polios- son, "\ Rotter,'"' Routier,'"' Ginnard,'^" and Vander- yggj.a47bis have found the appendix as part of the con- tents of a femoral hernia. Appendicitis Associated with Diseased Conditions of the Pelvic Organs. — The association of an inflamed appendix with every variety of diseased conditions of the pelvic organs, more especially of women, is a mat- ter of almost daily observation in the practice of ab- dominal surgery. In some cases the appendix is the starting-point of the diseased action, in others it be- comes involved secondarily to disease affecting pri- marily the pelvic viscera. Baldy," Richelot,'"' Mix- ter"\ Robb,"-" Jr^ggard,"" Binckley,'" McGuire,'-'*' and Deaver'^' have, among others, given special attention in their writings to this aspect of our subject. Appendicitis Complicating Pregnancy, Labor, and the Puerperal State. — The classical case of Mesti- vier,"^ the first in which a diseased appendix, in this case containing a pin, was recognized at autopsy as the cause of an abscess in the right iliac fossa, oc- curred in a woman eight months pregnant. The case of Hancock,'"^ no less historical as representing the first successful operation for deep-seated perityphlitic abscess, also occurred in a woman eight months preg- nant. The patieni miscarried four days after opera- tion. The next case recorded is that of Porcher,"" whose patient miscarried at five months, died suddenly and unexpectedly fourteen hours afterward, and was found on post-mortem to have purulent appendicitis and peritonitis. Hirst,'^® in 1890, operated upon a woman six months pregnant for supposed acute sup- purative appendicitis. He found chronic appendicitis 14 with a few adhesions. The patient died two days after the operation ; there was no autopsy. Mixter,"* in 1 89 1, reports a case of appendicitis originating in the seventh month of pregnancy; successful operation was performed two months after the termination of pregnancy. Wigging" in 1892, reports an autopsy upon a woman three months pregnant, who died ls the result of perforative appendicitis. Petersen,"' in 1893, records a case of appendicitis on the seventh day following a l?hor at term, with rupture of the ab- scess into the bowel and recovery without operation. Krafft ""^ reports a successful operation for purulent ap- pendicitis, performed January 29, 1893, upon a woman aged twenty-five years, four and a half months advanced in pregnancy. The patient had double pleuritis and acute endocarditis immediately preceding the appen- dicitis. The pregnancy proceeded to term without interruption, and terminated in the birth of a boy whom the mother, in memory of her experience, chris- tened Malgretout. Grandin,'" in 1893, reports a case of acute catarrhal appendicitis six days after delivery at term ; recovery without operation. Also a case of miscarriage at three months complicated with acute catarrhal appendicitis. Munde,"" in 1894, reports the successful evr,,:uation of a peri-appendicular abscess in a woman eight months pregnant. A dead child was born one week after operation. From this time onward reports of cases of appendi- citis occurring in pregnant women become more numer- ous. Hind,'"^ in 1895, reports a case having medico- legal bearings. A woman, pregnant near term, was violently assaulted. Labor set in, and death followed two days after delivery. Autopsy showed an abscess due to perforation of the appendix. Bayley,^^ in the same year, records an attack of appendicitis during the sixth month of pregnancy; recovery took place without operation, followed by delivery at term. McArthur,^"^ also in 1895, reports two operations for acute appen- 15 dicitis in pregnant ^vomen, both fatal. Johnson/^* in 1896, reports a successful operation for non-suppura- tive appendicitis in a woman three and a half months pregnant, followed by confinement at term. Robson,*"' in the same year, records a successful operation for appendicitis thirty-six hours after accouchement at the eighth month. McCosh,"-^ in 1S97, reports a success- ful operation for appendicitis during the sixth month of pregnancy, with subsequent delivery at term. Abra- hams," in 1897, collected the more recent cases of ap- pendicitis during pregnancy from the literature, giving cases of his own together with additional cases of Munde, Harrison, Thomason, Crutcher, and Hirst. For details of these the reader is referred to the de- scriptions and abstracts of Abrahams, Deaver,'^* in 1S9S, wrote a valuable paper on appendicitis in rela- tion to disease of the uterine adnexa and pregnancy. Finally Gerster,'^' in 1899, contributes three personal observations of appendicitis successfully operated upon during the eighth, second, and fifth months, respec- tively, of pregnancy, with premature labor in the first and delivery at term in the second and third cases. The Diagnosis of Appeudicitis. — The symptoms and signs of perityphlitic abscess^ especially in the later stages of the disease, have been pretty clearly un- derstood by the profession ever since the time of Mes- tivier. Beginning with 1S47, the diagnosis of perfora- tion of the appendix, or of its involvement in the in-, flammatory process, began to be made more frequently, among the first by Cless"' and Hancock.*" Gibney,'^^ in 1 88 1, wrote a very creditable paper on the differ- ential diagnosis between appendicitis and hip-joint disease. Valuable modern contributions have been presented by Morton,''' Deaver,'" Meek,-'" Fowler,'"'^ Murphy ,'"'' and numerous others. Fowler*'^'^ has gone very fully into the differential diagnosis of appendi- citis in the female. The greatest advance in the diagnosis of acute ap- i6 pendicitis v/e owe to the keen observations of McBur- ney,^*^ which, in 1889, gave us that valuable aid in diagnosis now known the world over as "the McBur- ney point." Rosenthal ^" makes a weak priority claim for Traube in relation to the discovery of the point. The elaboration and publication by Edebohls,®^ in 1894, of his method of palpation of the vermiform appendix finally made those who have become con- versant with the method masters of the situation as regards the diagnosis of both acute and chronic appen- dicitis. It is true a thickened, inflamed appendix had previously now and then been felt through the ab- dominal walls. Treves,^" in 1889, and Cameron, ^^ in 1893, each reported such an experience, and Duncan,^' in J892, says that the position of an inflamed appen- dix may often be felt. The positive determination of the health or otherwise of the appendix, however, by direct examination and palpation of the organ in each and every case presenting, was considered an impossi- bility and never attempted previous to the publication of Edebohls. Among those who have adopted Edebohls' method of palpation of the appendix, and who depend upon it for the diagnosis of appendicitis, may be mentioned Deaver,'« Long,'^" Halsted,^'' Shrady,''' Morris,"" Noble,''' Mynter,"" Murphy, Beck," and Kelly.'" The Medical Treatment of Appendicitis. — Vol- umes have been written upon the medical and surgical treatment of appendicitis. The history of the origin and development of the surgical treatment of the affec- tion will receive attention presently. The medical treatment has received full consideration at the hands of all the older and many of the more recent clinicians, and the principles supposed to underlie it are well known to every practitioner. Few physicians advo- cate, with With, ^" medical treatment only for all cases. A large number of prominent internists, with Eliot,'" Fitz,"" and others, consider appendicitis essentially a I? surgical affection. As Ipng ago as 1848, Smith ^^^ ex- pressed doubt as to the efficacy of all local applica- tions, including leeches, saying of the latter: "If you are going to use leeches in typhlitis apply them at the anus, not over the swelling." The only recommenda- tion of electricity in the treatment of appendicitis is by Williams.''' The Surgical Treatment of Appendicitis. — The earliest recorded case of operation for appendicitis is generally credited to Mestivier,"^"^ who, in 1759, incised and drained an abscess in the right inguinal region. The patient died, and the autopsy disclosed an appen- dix perforated by a pin. A few operations for so- called perityphlitic abscess, which had slowly per- forated the abdominal parietes and become, in part at least, subcutaneous, were reported between 1759 and 1848. Dupuytren'^ operated thus in 1815 and 1828; Ahrt** in 1832, and Parker""" in 1843. ^^- ^^^ o^- these cases fluctuation was distinctly made out, and pus was encountered in the subcutaneous tissues of the abdom- inal wall. Hancock,'" on April 17, 1848, performed the first deliberate operation for deep-seated suppuration of appendicular origin. He operated on the fifteenth day of illness, and before fluctuation became apparent, reaching the pus collectiqn by a font-inch incision extending from just above the right anterior superior spine of the ilium downward and inward along Pou- part's ligament. His patient recovered. On the strength of this case Hancock proposed to operate early in these cases before fluctuation appeared, re- marking that patients do not usually live to fluctua- tion. His teaching, however, found no echo in medi- cal literature until reiterated by Lewis'""^ in 1856. His example was first imitated after eighteen years by Parker, ■■*''■ the publication of whose case, in 1867, may fairly be said to have directly inaugurated the modern surgical treatment of abscesses of appendicular origin, i8 and indirectly to have led to the modern surgery of the appendix. By many writers Parker is credited with the first operation for perityphlitic abscess in 1843. Parker, in 1867, reported four cases of perityphlitic abscess operated upon, the first operation being performed in 1843. In his first three cases, however, subcutaneous fluctuation or phlegmon invited the incision, as it had done in the cases already cited as previously reported. Parker's first operation for deep-seated suppuration, prior to fluctuation, was performed in 1866, nearly eighteen years after the original operation of Hancock. His patient also recovered. From 1867 to 1884 the initiative taken by Hancock and Parker in opening and draining so-called peri- typhlitic abscesses before fluctuation was evident was enthusiastically taken up and followed, especially by American surgeons. New York being at first the chief focus of the new surgical activity. Buck, Sands, Weber, Bontecou, Burge, Whitall, Ward, Kelsey, Hol- den, Clarke, Ely, Raub, Bacon, Clay, North, Beach, Chamberlain, Koehler, Mynter, Weir, Byrd, Pierson, were among the earliest performers or reporters of operations for the evacuation of deeply seated abscesses of appendicular origin. Noyes,'" in 1883, collected the reports of one hundred operations for perityphlitic abscess. Nearly all of the perityphlitic abscesses operated upon during this period were opened by the original classical incision of Hancock. Weber^^^ at first con- tented himself with incising down to, but not through, the fascia transversalis, and this method was even advocated as the routine procedure by Whitall. '"^^ Kolb,""^ in i860, practised puncture of the abscess by the trocar and dilatation of the opening with sponge tents. Muenchmeyer,^" in i860, was the first to prac- tise a counter-opening in the loin to obtain better drainage, a procedure which has since found many 19 imitators. Buck/^ in 1861, evacuated a pelvic ab- scess, presumably of appendicular origin, by puncture through the rectum. Bartholow,'' in 1866, credits Buck with approaching a pentyphlitic abscess from beneath Poupart's ligament by an incision carried through the fascia lata of the right thigh, thence work- ing his way upward beneath Poupart's ligament to the abdomen. I have been unable to find the original account by Buck of this procedure. Barlow and God- lee,*" in 1885, operated upon a case of appendicular abscess by two incisions, one median, exploratory in character, and one lateral, over the abscess, to evacu- ate the pus. This procedure has been followed in a number of cases by various operators. Kroenlein,"^ in 1887, reported the first case of operation for peri- typhlitic abscess under Listerism. Homans,'^'' in 1886, took a decided step in advance in the case of an ap- pendicular abscess deeply situated against the pos- terior abdominal wall. He opened the abdomen through the usual incision above and parallel to Pou- part's ligament, and evacuated the abscess across the free peritoneal cavity while protecting the latter against infection by suitably placed packing. This has be- come and remained standard modern practice. Not so the procedure of Edebohls,''^ who in 1889, in a similar case, closed the peritoneum by suture, dissected it up, and opened the abscess retroperitoneally. Byrd,'* in 1881, in a case of perforative appendicitis with two additional, ulcerative perforations of the caecum, adopted the procedure, nothing less than bril- liant for that day, of converting the three openings into one large one, establishing an artificial anus by stitching the bowel opening to the wound, and irri- gating and draining the free peritoneal cavity. His patient recovered. Mention should, finally, be made of Kottmann's'"' plan of opening the abscess by Vienna paste, the only advocacy or practice of this method which I have found recorded in the literature. 20 The above data all refer to operations for the evacu- ation of perityphlitic abscesses of appendicular origin undertaken before the time at which operations upon the appendix itself came into vogue. The history of the surgery Df the appendix itself, and data in connec- tion therewith, will presently receive attention. Be- fore proceeding to this chapter of the history of ap- pendicitis, however, two subjects, that of aspiration, exploratory or curative, of perityphlitic abscesses, and that of so-called left-sided appendicitis, deserve a mo- ment's consideration. Exploratory Puncture. — Bontecou,"' in 1873," re- ported two cases of operation for perityphlitic abscess in which he employed previous aspiration to determine the presence of pus. Prior to that time we find re- corded, now and then, a crude attempt to establish the presence of pus by an oblique puncture with a narrow knife, a grooved needle, or a trocar. Potter, -^'^ in 1879, reported a cure of perityphlitic abscess following a single aspiration of the contained pus. Peltzer,'*''^ in 1882, observed a cure following two aspirations of the pus, followed each time by irrigation of the abscess cavity with a solution of salicylic acid. Bull,^*^ in 1886, advocates dropping all time limits and operating as soon as pus can be discovered by the needle. At about this period exploratory punctures for diagnostic purposes were much in vogue. Gradually, however, they yielded place to the increasing positiveness with which diagnosis could be reached without their aid, until at the present day probably no surgeon of any prominence either employs or recommends the needle for diagnosis. Left-Sided Appendicitis. — As regards ieft-sided appendicitis the only genuine case thereof on record is that of Biegi,^^ which occurred in a soldier who died of appendicitis and was found on autopsy to have a complete transposition of all the viscera. The case of Bontecou/' in which death resulted from ulcerative 21 perforation of the small intestine into the left iliac fossa; that of Traube,^^^ of a perityphlitic abscess pointing on the left side; and the three cases reported by Fowler/''^ in which the caecum and appendix were displaced to the left, all originated primarily in the right iliac fossa. So did the case of Coats/^ in which empyema of the left chest followed perforation of the diaphragm by pus from an abscess of appendicular origin. Surgery of the Appendix. — We have finished with the history of the era when operations for the evacua- tion and drainage of perityphlitic abscesses consti- tuted, with the few exceptions mentioned, the sole surgi- cal resource in the treatment of appendicitis, or rather of its results. We come now to the period which saw the birth of the surgery proper of the appendix itself. We will consider the surgery of the appendix as ap- plied, first, to the treatment of acute appendicitis, and, secondly, to the treatment of chronic, relapsing, and interval cases. The first recorded operation upon the appendix itself was planned by Dr. Mahomed and executed on August 24, 1883, by Symonds."" Mahomed diagnosticated a stone in the appendix. Symonds removed the stone, three-fourths by one-half inch in size, through the ordinary incision for tying the external iliac artery, approaching the appendix from behind, through peri- toneal adhesions, opening the appendix, extracting the stone, and closing the opening in the appendix by Lembert sutures. The patient recovered and was cured of all his s.ymptoms. In connection with this case Symonds becomes prophetic in relation to the future removal of the appendix in similar cases. I have found but three other instances of operation upon the appendix stopping short of its removal. INIorton,'*'^ on April 27, 1887, removed the larger part of an appen- dix containing a perforation, between two ligatures, one applied near the base and one near the distal free 341 22 end of the appendix. Sands, ^°^ on December 31, 1887 closed a perforation of the appendix by suture. Tait in 1889, slit open and drained an appendix. All three patients recovered. Excision of the Appendix. — Kroenlein,''* on Feb- ruary T4, 1884, performed the first removal of the ap- pendix for acute appendicitis. He was followed in 1886 by Weir,'"' Bryant,^' and one or two others. These earliest appendicectomies for acute appendicitis had one discouraging feature in common; they were all fatal. The first successful removal cf the appendix was performed by Hall,'" on May 8, 1886, in an operation for the relief of a strangulated hernia. The appendix, with an abscess around it, was found among the con- tents of the hernial sac, tied off, and removed. Morton,'^- on March 19, 1888, and Sands,^°^ on April 17, 1888, performed the first successful appen- dicectomies for acute appendicitis, the correct diag- nosis having been made in both cases before operation. To Morton belongs priority of performance, to Sands priority of publication. Other successful appendicec- tomies for acute appendicitis were performed during 1888, in the order named, by Hoffmann,'^'* McBur- ney,"" Cutler," and VVeir.^*^' Hoffmann removed the appendix through a median incision, and the case of McBurney was the first in which an acutely inflamed appendix, full of pus, was removed entire and without rupture. Thereafter removal of the appendix in acute appen- dicitis rapidly became a recognized and oft-undertaken procedure. As early as 1889, McBurney'"'^ reported seven appendicectomies of his own with six recoveries and one death, and Morton'"" four appendicectomies with two recoveries and two deaths. Since that time scores of operators number their appendicectomies for acute appendicitis by the hundreds. Treves,'*' on June 29, 1888, performed the first ap- 23 pendicectomy for relapsing appendicitis. The opera- tion as described would be classed as modern even at this day, the stump end being closed by suture instead of ligated, the abdominal wall closed for primary union, and the patient recovering. The rapidity with which operations for relapsing appendicitis, or inter- val operations, were adopted, and the success with which they were practised by surgeons the world over, are best evidenced by the fact that Bull," as early as 1894, was able to collect four hundred and forty-four interval operations with eight deaths. It is safe to say that at the present day several thousand such cases could be collected from the literature alone. The Technics of Appendicectomy. — The various surgical procedures for the simple evacuation and drainage of a peri-appendicular abscess have already been considered. It remains to record the history of the development of the technics of the operation for the removal of the appendix. Appendicectomy for Acute Perforative or Gan- grenous Appendicitis. — During the two or three years immediately following the first removal of the appen- dix for acute perforative appendicitis by Kroenlein,"* in 1884, and the early, equally unsuccessful imitations of his example, the advocates of appendicectomy in pus cases were few indeed. The first successful cases, reported in 1888, furnished a new stimulus to surgical activity in this direction, and within two or three years thereafter the number of cases reported slowly increased. Since 1890 the large majority of surgeons with a name advocate removal of the appendix in acute appendicitis as the routine procedure, always to be attempted save under m.ost exceptional conditions. A few surgeons claim that it is always both possible and better to remove the appendix in acute appendicitis. This advice and practice are based upon the fact that a second operation for appendicitis has become neces- sary in some cases in which the appendix was left at 24 the first operation. Comparatively, however, the cases in which such a secondary operation was called for or performed are very few, Morton,'" Patel,'"' Romans,"^" and Wolf ^''"* among others have put on record such sec- ondary onerations. The expedient adopted by Wyeth "* of operating at two sittings represents an unnecessary compromise. In direct opposition to the modern tendency to re- move the appendix whenever feasible, and vainly attempting to stem the tide, we find Barton,''^ as late as 1894, and a few others even more recently, preach- ing the doctrine of leaving the appendix in operations for acute appendicitis, claiming better results from this practice. That this claim does not hold good in the work of the better operators goes without saying. The Incision in Acute Appendicitis. — The early incisions employed in operations for acute appendi- citis, when abscesses were emptied and drained <{)nly, as well as when the appendix was removed, always divided all the various anatomical layers of the abdominal wall in one and the same directions: either a little above and parallel to Poupart's liga- ment, or nearly vertically, just external and parallel to the outer border of the right rectus abdominis mus- cle. Aside from the counter-opening in the back more or less frequently practised by a number of surgeons, Dejace "^ in one case practised lumbar incision of a perityphlitic abscess, and Gerster'^° speaks of Lange as in one instance having to abstain from removing the appendix through an anterior incision, later on removing the organ successfully through a posterior wound. Vischer,'°° in 1897, proposed a new site for the incision, placing it above and parallel to the iliac crest and running from the outer edge of tlie external oblique inward to the anterior superior iliac spine. The median incision has also been practised, now and then, by Hoffmann''' and others, but has found no en- thusiastic advocates. 25 The gridiron incision of McBurney,"-^ published in 1894, represents the most modern thought and fully satisfactory technics in regards to the incision of the anterior abdominal wall practised anywhere between the outer borders of the recti and the erector spinae muscles on either side, not only for appendicitis, either acute or chronic, but also for other intra-abdominal conditions exceptionally best approached within the limits stated. McBurney at first thought his incision unsuitable for pus cases calling for gauze packing. This judgment, however, has been reversed by the fur- ther experience of a number of American operators, among them the writer, who constantly use this incision in cases of acute appendicitis, and consider all the other incisions already mentioned as antiquated and out of place in up-to-date surgery. The slight modification of the gridiron incision proposed by Elliot, ^^'^ who cuts the fascia of the external oblique horizontally, while at- tempting to refine on the principle enunciated by Mc- Burn"ey, is of no practical importance. The Incision in Chronic Appendicitis. — The com- ments made anent the first incisions practised for acute appendicitis hold good also for those made for the removal of the appendix in interval cases, with this important exception: that, beginning with the very first removal of the appendix for recurrent inflamma- tion by Treves, the abdominal wound has been very generally closed for primary union without attempts at drainage. The gridiron incision, originally devised and brought forAvard by McBurney for cases of appen- dicitis not requid_ng drainage, but equally applicable to pus cases, represents the first giant stride forward in the surgery of the incision made for the removal of the appendix in chronic appendicitis. Battle, ''' in 1895, gave us the incision through the right rectus abdominis muscle, which in chronic appendicitis has become the successful rival of the gridiron incision of McBurney. The rectus incision of Battle may be 26 found admirably pictured and described as the simple incision by Deaver'" in 1896. Curiously enough, in 1897, Jalaguier,'"*^ Kammerer,"' and Lennander''" pub- lished the Battle incision, each apparently urder the impression that the incision was original with himself. The lumbar incision for chronic appendicitis was brought forward by Edebohls/"" in 1898, as applicable to cases in which right nephropexy and appendicec- tomy were called for in the same patient. About ten centimetres seems to be the length of in- cision usually accepted as required in acute appendi- citis. In the surgery of chronic appendicitis Mor- ris, "° in 1893, first recognized that such long incisions were unnecessary, and loudly called for the one-and-a- half-inch incision. He has since been outdone in this direction by Scott, ^^* who writes on "the incision less than one and a half inches long in appendicitis." The writer'"^ has recently recorded his views on the subject, and will close with the statement that the only incisions necessary and permissible in the mod- ern surgery of the appendix are the gridiron incision of McBurney, the rectus incision of Battle, and, per- haps, the lumbar incision of Edebohls. Technics of the Stump. — The treatment of the stump left after amputation of the appendix has occu- pied a great deal of the attention of surgeons. In some cases of acute appendicitis, with gangrenous de- struction and disintegration of the entire appendix and even of greater or less areas of the csecal walls, the question of a stump and its treatment does not arise. In such cases the damage must be repaired by suture, and the danger must be minimized by the usual gauze packing and drainage, or by suture of the damaged bowel to the abdominal wall as practised by Byrd,^'^ Bunner," and others. Simple ligation of the stump, though still very generally practised, cannot be consid- ered a perfectly safe procedure. Dock '^ has put on record a death from simple ligation, and the writer 27 knows of another unpublished case in which intestinal leakage and fatal peritonitis followed the slipping of a ligature placed around an appendix stump. The example of Lautard/''^ who amputated the tip of the appendix and sewed the long stump to the ab- dominal walls, has found no imitators. Invagination of the ligated stump has been attempted by Smith '"" and many others since his time. All such attempts are illogical and have necessarily met with failure, as complete invagination of a ligated. stump is an impossibility. The most that can be accomplished is to depress a ligated stump and cover it over with peritoneum, a procedure which Stimson^^^ was the first to condemn as ''bottling up" of the appendix. Closure of the open ends of the appendix by suture was practised by Treves^^° in the very first case of re- moval of the appendix for recurrent appendicitis, the mucous and muscular coats being united by suture. Treves, however^ found it impossible in his case to sew the peritoneum over the free end of the stump, which procedure appears to have been first accom- plished by Allingham. Monks,'"'' in 1890, im.proved this step of the technique by first inverting the cut end of the appendix and then closing the inverted edge by suture. Ruth,^"'' in 1895, sutured the cut edges of the appendix stump, inverted the stump, and approxi- mated the peritoneum by suture. Inversion of the appendix stump without previous ligation and suture was practised by Dawbarn'*^ as far back as 1890 or 1891. The correct principle underly- ing Dawbarn's method was clumsily imitated by Plum- mer,'^"^ who slits the appendix stump upward at two opposite points, trims and inverts the flaps, and sutures the serosa — and by Bloch," who uses a temporary suture through the lips of the appendix stump, passes the threaded suture through the csecal wall opposite the appendix, from within outward, withdraws the suture, and closes the peritoneum over the inverted stump. 28 Price^"^ and Eastman^^ do away entirely with a stump by excision of the entire appendix and suture of the resultant hole in the bowel wall. Edebohls^" originated inversion of the entire, uncut appendix, the only procedure which does away with the necessity of opening the bowel and with the resultant risk of infec- tion. His procedure, so far as I am aware, has found but one imitator, Fowler,'"^ whose first and only case of inversion of the entire appendix for chronic appen- dicitis ended fatally as the result of the operation. Against this, however, stand considerably more than one hundred cases of inversion of the entire, uncut appendix for chronic appendicitis, at my own hands, without a single death. Septic Peritonitis ; Drainage ; Accidents. — The treatment of the diffuse septic peritonitis accompany- ing appendicitis has received attention at several hands. McBurney,^"^ in 1895, wrote the most impor- tant clinical contribution to this aspect of appendicitis, advocating free flushing of the peritoneum with drain- age, procedures practised by Byrd ^^ as early as 1881. Pond"'" added to these resources, in extremely bad cases, incision of the intestine and suture of the inci- sion lips to the abdominal wound, permitting of the direct introduction of salines, stimulants, etc., into the intestine. Gauze drainage is all but universally used in pus cases, either alone or combined with rubber or glass drainage tubes. Morris^" first employed an iodoform wick, and later a special device consisting of a slen- der piece of gauze wrapped about with perforated rub- ber tissue. As regards the use of iodoform gauze, opinions of experienced men vary widely. Morris, for instance, in 1897, published a tirade against the use of gauze, iodoform and plain, while Murphy, in the same year, returns to the use of iodoform gauze after having completely discarded it for a time. Very recently a tendency to close immediately the 29 abdominal wall for primary union in some cases of appendicitis with pus is becoming manifest. Schuel- ler,"' in 1S89, was the first, I believe, successfully to close the abdomen at once and entirely after an appen- dicectomy at which he found turbid serum in tl">e peri- toneal cavity. Clark,'" in 1897, alludes to instances of similar practice, and Boldt informs me that he has several times operated successfully in the same man- ner in cases in which a small amount of pus was present. A curious accident, tearing off of the distal end of the appendix during enucleation of the latter, and fail- ure to find again the distal end, is recorded by Hunt- ington.'" The writer has had a similar experience; both cases ended in recovery, without drainage. Hutchinson'"'" reports an operative case in which he found the appendix at some distance from the caecum, from which it had entirely separated by sloughing. Statistical. — i^utopsy statistics of appendicitis, large "and important for the time at which they were presented, have been given by Leudet,""^ Finnell,^'^ Toft,''' Fitz,"'' Einhorn,'^' Wallis,^^' Ribbert,-^'' and Robinson.-"^ Kleinwaechter'" and With''" have fur- nished statistics regarding the duration of appendicitis under medical treatment, while Sands'"^ and Fitz'^^ investigated the mortality under medical and under surgical treatment. McBurnev"'"' presents personal statistics of operations for appendicitis in the pres- ence of diffuse septic peritonitis. Von Mayer^^* gives us a very unique, practical, and interesting study of seventy-five operative cases of chronic appendicitis. Of these, thirty-three presented clinical symptoms corresponding to the lesions found, thirty-two pre- s-^nted no clinical symptoms, and ten had severe symp- toms with no lesions. Statistics of operative cases, with mortality, have been published by Clay,^" Bull," MacDonald,-'^ Murphy,''"'' Johnson,'"'' Kuemmeii,'®' Sonnenburg,"" Deaver,"" Halliday,'^* and very numer- ous others. 30 Illustrations. — Appendicitis has furnished a favor- ite subject for the artist's pencil and brush, and it is not too much to say that perhaps upon no other sub- ject in the entire range of pathology has such wide- spread, profuse, elaborate, and beautiful illustration been lavished. I call attention in the following to those illustrations which have struck me as particu- larly noteworthy; they constitute, however, only a modicum of the whole. The anatomy of the appendix and its vicinity has been thoroughly illustrated by Little,'"* Schueller,^'^ Lockwood and Rolleston,'"^ Levings,""" Kelynack,^'^ and Jonnesco,'^** The general pathology has been well pictured by Fenger,''^ Fowler,'-^ Jessop,'" Plum- mer,'"'" Lannelongue,''^ Smith, ^■'^ and Sonnenburg^'^ among others, while the histo-pathology has been espe- cially well delineated by Letulle and Weinberg.'"" Chronic appendicitis has received the artistic atten- tions of Foges"" ; interval appendicitis those of Abbe' ; appendicitis obliterans those of Senn^'^ and Zucker- kandl"*"'; and the location of abscesses those of Har- ris. ^^^ Intestinal strangulation following appendicitis has been pictured by most of those already enumerated as having described cases, while some of the operative sequelae have been delineated by Peck.""* Cysts and cystic degeneration of the appendix have been well pictured by Gruber,''' Gouillioud,"' Shoemaker,'"' Sonnenburg,^" and Coats."' Among illustrations of other pathological conditions affecting the appendix the following may be men- tioned : Invagination of the appendix, by McKidd '"^ ; prolapse of mucous membrane of the appendix, by Rolleston'""; thrombosis of appendicular vessels, by Dieulafoy"; tuberculosis of the appendix, by Apert '"; and primary cancer of the appendix, by Mosse and Daunic.'*^ The technics of the operation for appen- dicitis have been abundantly illustrated by many writers, among others by Ruth,'"^ Deaver,'' Fowler, 124 31 and Morris.-" The article of Ruth contains beautiful illustrations detailing the technics of the stump. Deaver's admirable plates are the only ones I have found illustrating the rectus incision. Five cuts de- tailing post-operative sequelae in a very interesting case are given by Peck,"" Literature. — ^The entire literature of appendicitis, complete to the beginning of the year 1899, and in- cluding, in addition, about fifty numbers appearing during the present year, has been consulted in the preparation of this article. This vast literature em- braces, as already stated, more than twenty-five hun- dred journal articles, dissertations, and books, A complete bibliography, prepared by the author, may be found in the library of the New York Academy of Medicine, where it is at the disposal of any one who may wish to consult it. The appended bibliography of three hundred and seventy-six references is believed to include nearly all of real value that has been published upon the sub- ject of appendicitis. It includes papers and books » important and valuable for the time at which they were published, together with a number of articles to which reference became necessary in the preparation of this historical review. BIBLIOGRAPHY. 1. Abbe, R. : Medical Record, New York, 1897, Hi., 37-39. 2. Abrahams, R. : Anier. Jour, of Obst. , 1S97, xxxv. , 205- 225. 3. Achard, C: Mfrcredi med., Paris, 1894, v., 569-572. 4. Achard, C. , et~Broca, A.: Bull, at mem. soc. med. des hop. de Paris, 1897, s. 3, xiv. , 442. 5. Adenot : Compt. rend. soc. de biol., Paris, 1S91, s. g, iii., 740-742. 6. Ahrt : Jour. d. Chir. u. Augenh., Berlin, 1S35, xxiii., 140- 14S. 7. Albers, T. F. H.: Beobacht. a. d. Gebiete d. Pathol., 8vo, Bonn, 1S3S, pt. 2, 1-37. 32 8. Allen, D. P. : Rev. de gyne'col. et de chir. abd. , Paris, 1897, i., 665-690. 9. Andrews, T. H. : Proceedings of the Path. Soc. of Phila- delphia, 1866, ii., 238-240. 10. Apert, E. : Presse med. , Paris. i8g8, ii., 343. 11. Ardouard : Progres med., Paris, 1876, iv. , 416. 12. Ashby, H.: Lancet, London, 1879, ii., 649. 13. Atkinson, G. A.: British Med. Jour., London, 1895,!., 1439- 14. Aufrecht, E. : Berlin, klin. Wochenschr. , 1869, vi., 308. 15. Baernhof, A.: Beitr. z. Heilk., Riga, 1854-55, iii., 147- 150. 16. Baillet : Bull. soc. anat. de Paris, 1891, Ixvi. , 67. 17. Baldy, J. M.: Medical News, Philadelphia, 1S89, Iv., 579-581. 18. Bamberger: Verhandl. d. phys.-med. Gesellsch. in "Wiirzb., 1859, ix. , 123. 19. Bartholow, R. : Amer. Jour, of Med. Sci., Philadelphia, 1866, n. s. , Hi., 351-362. 20. Barlow and Godlee : Trans. Clin. Soc. of London, 1885-86, xix. , 8S-94. 21. Barton, J. M. : Philadelphia Polyclinic, 1894, iii., 173-175. 22. Battersby, F. : Dublin Quarterly Jour, of Med. Sci., 1847, iii., 516-539- 23. Battle, W. H.: British Med. Jour., London, 1S95, ii. , 1360. 24. Battle, W. H. : British Med. Jour., London, 1897, i. 965- 967. 25. Bayley, N. B.: Medical Record, New York, 1895, xlvii. , 342. 26. Beaussenat, M. : Rev. de gynec. et de chir. abd., Paris, 1897. i. 283-312. 27. Beck, C.: New York Med. Jour., 1898, Ixviii., 685, 727, 757. ?"^ 28 B ;nnett, R. : Trans. Path. Soc. , London, 1852-53, iv., 146. 29. Bjrard : Gaz. des hop., Paris, 1840, 2mes., ii,, 145. 30. Beurnier, L.: Jour, de med. de Paris, 1898, 2mes. ,x. , 546. 31. Biegi : Med. moderne, Paris, 1897, viii. , 643. 32. Bierbaum, J.: Jour. f. Kinderk. , Erlangen, 1867, xlviii., 26-55. 33. Bierhoff, C. : Ueber die Krankheiten des Wurmfortsatzes, 8vo, Ludenscheid, 1878. 34. Bierhoff, C.: Deutsches Arch. f. klin. Med., Leipzig, 1880-81, xxvii., 248-267. 35. Biggs, H. M.: Medical Record, New York, 1888, xxxiii. , 720. 33 36. Binkley, J. T.: Amer. Jour, of Obst., New York, 1894, xxix., 474. 493- 37. Birch -Hirschf eld, F. v.: Arch. d. Ileilk., Leipzig, 1871, xii,, 191. 3S. Bloch, A. J. N.: New Orleans Med. and Surg. Jour., 1896-97, xlix , 75-7S. 39. Bloomfield, J. 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