Nephrotic syndrome developed in the healing stage of necrotizing angiitis

A case of necrotizing angiitis is reported. After acute inflammatory changes had subsided, the patient developed the nephrotic syndrome. Postmortem examination disclosed a unique sclerotic glomerular lesion with deposition of eosinophilic material which contained IgM, IgA, C1, and C3. The lesion was distributed in rather selective areas perfused by some of the arcuate arteries.