THE RHEUMATIC DISJEASES VISCERAL LESIONS ASSOCIATED WITH RHEUMATOID ARTHRITIS

IN the study of the visceral lesions in rheumatoid arthritis, the records of 192 cases having a diagnosis of arthritis were examined. These cases were obtained from the autopsy files-of the University of Minne-sota Pathology Department and associated local hospitals. Out of this group there were 81 which were frank suppurative arthritis, 61 were rheumatoid arthritis, and 29 were osteo-arthritis. There were 8 with tuberculous arthritis; 7 had a simple, chronic, non-suppurative, non-specific arthritis of undetermined itiology and involving only one joint; five had an acute inflammatory, non-suppurative arthritis, type undetermined, and 1 had gonorrheal arthritis. "Rheumatoid Arthritis " as discussed in this * paper is the severe deforming type of chronic infectious arthritis. It is the atrophic, pro-liferative type of arthritis. The criteria used in selecting these cases of rheumatoid arthritis were as follows: The disease must have been chronic, being present a minimum of several months. It mnust involv