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Article
April 28, 1900

DEFORMING ARTHRITIS.

JAMA. 1900;XXXIV(17):1072-1073. doi:10.1001/jama.1900.02460170052008
Abstract

Of the obscure nature of this disorder evidence is afforded by the contrariety of names that have been given to it, namely, arthritis deformans, rheumatoid arthritis, rheumatic gout. The condition is, however, generally believed to be in no way related to either rheumatism or gout, so that the preferable name for the present would seem to be arthritis deformans, or its English substitute, deforming arthritis. We have in a previous article described a morbid process—chronic villous arthritis—attended with hyperplasia of the articular synovial membrane, and which, while it presents a certain superficial resemblance to deforming arthritis, is characterized by features that serve to distinguish it from the latter disorder. These points of differentiation were recently fully discussed by Schüller.1 In deforming arthritis the morbid process involves essentially and principally the articular cartilage. It consists in a proliferative hyperplasia of the cartilage-cells, swelling of the cellular spaces, fibrillation of the

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