File:Annals of medical history (1917) (14801588483).jpg

Identifier: annalsofmedicalh01pack (find matches)
Title: Annals of medical history
Year: 1917 (1910s)
Authors: Packard, Francis R. (Francis Randolph), 1870-1950
Subjects: Medicine
Publisher: New York P.B. Hoeber
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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Man, Amer. Geol., mm, vol. xwiii. ;>;). 5>-t-- K- ■ Studies in Paleopathology 39i the specimen later, suggested that it mighthave been a fracture with callus andnecrosis. 8. Fistula are evident in the lower jawof an ancient and primitive whalefrom the Eocene ofEgypt, and an en-largement of themandible of athree-toed horsefrom the Mioceneof North Americaindicates the pres-ence of a fistula,possibly due toactinomycosis, i nits early stages.Dental fistulse areoccasionally seenamong the knownremains of fossilman, often result-ing in the loss ofteeth. 9. Rickets is in-dicated, accordingto Abel, among theapes which arefound mummifiedin the old Egyptiangraves. 10. Necroses,due possibly to avariety of causes,and attributed bycertain Frenchwriters to tuber-culosis, are fairlycommon amongfossil vertebrates.A marked necrosisof the ilium of a large dinosaur, accompanied by expansionand thickening of the bone, is evidentin the mounted skeleton of Campto-saurus on exhibition at the National
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Fig. 18. The arm bones of a mosasaur from the Cretaceouof Kansas, showing lesions resembling osteoperiostitis. TheIage bone is the humerus, the other probably a radius.The rough surface of the bone indicates its pathology.Normal well-preserved specimens of these bones are quitesmooth. The lesions have an arthritic nature also, thoughthey are not confined to the articular surfaces, x J^. The specimens are the property of the University ofKansas Museum of Natural History. Museum in Washington. A mosasaur bonefrom the Cretaceous of Kansas and certaincrocodile limb bones from the Jurassic ofEngland show lesions of a necrotic nature.The assignment ofany of the lesionsto a definite causeis manifestly im-possible, and whiletuberculosis hasbeen suggested asa possible cause,the diagnosis is souncertain as to benearly worthless.In the crocodileskeleton, abovereferred to, thereis abundant evi-dence that the in-fection, the focusof which was inthe pelvis, wascarried by metas-tasis to the bonesof

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