Membranous nephropathy associated with primary biliary cirrhosis and bullous pemphigoid.

Membranous nephropathy has been shown to be an immune-mediated lesion in both human and experimental animal models. Primary biliary cirrhosis and bullous pemphigoid are also diseases of probable autoimmune origin. In this brief report, a woman with all three disease entities is described and an interrelationship among the three is discussed.