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May 1923


Author Affiliations

Surgeon, Roentgenologist and Director of the Pathologic Laboratories, Respectively, Episcopal Hospital PHILADELPHIA

Arch Surg. 1923;6(3):661-730. doi:10.1001/archsurg.1923.01110190002001

I. CLINICAL REPORT BY DR. ASHHURST  Diseases of any tissue in the body may be classified conveniently into three general categories: infections, dystrophies and tumors. But while under each category there are perfectly typical cases, there exist other cases of disease concerning the classification of which there may be uncertainty or disagreement, not to say dispute. The existence of such cases is particularly noticeable in connection with bone diseases, and it is to illustrate this difficulty that the present report of a series of cases of cystic disease of the bones is presented. The only common feature, in some instances, is that in the interior of the bone there existed disease which caused rarefaction, absorption or destruction of bony tissue, with, in many cases, expansion and thinning of the overlying cortex. The causes are various: pyogenic bacterial infection, tuberculosis and syphilis, as well as unknown causes including a number of

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