1 Section on Histochemistry, LEP-NIAMD, Building 10, Room 9D-08, National Institutes of Health, Bethesda, Maryland 20014
In the course of tissue culture studies on the pathogenesis of rheumatic fever, we are in need of rheumatic nodules which have recently formed in the course of rheumatic carditis. These structures have become rare due to the recent decrease in the prevalence and severity of acute rheumatic fever and the widespread use of steroids.
The nodule should be situated on the extremities, be readily accessible to biopsy, and, preferably, be just in the process of forming, although nodules of any age would be welcome.