URINARY SEDIMENT IN VISCERAL ANGIITIS (PERIARTERITIS NODOSA, LUPUS ERYTHEMATOSUS, LIBMAN-SACKS "DISEASE")

Abstract

In recent years many reports have appeared concerning a group of disorders featured by peculiar lesions of small arteries, namely, periarteritis nodosa, lupus erythematosus disseminata, Libman-Sacks disease and the syndromes described by Friedberg and Gross. The terminology used in referring to these varied conditions is much confused and is by no means certain, but some relation among them at least seems possible. In searching for a useful clinical designation for the entire group W. Dock suggested angiitis, and this term has been in common use in the Stanford clinic for the past few years.1Although the occurrence of renal lesions in association with visceral angiitis is well known,2the reported studies on the urine3of patients with this condition have not been adequate. A series of 21 cases encountered in the last two years has furnished an unusual opportunity to make exact quantitative studies of the