Rapidly progressing glomerulonephritis secondary to henoch-schonlein purpura treated with mycophenolate mofetil: a case report with atypical etiology and presentation.

Henoch-Schonlein purpura (HSP) is an acute leukocytoclastic vasculitis that primarily affects children but also affects approximately 1% of adults. We discuss a case of HSP that started after pantoprazole ingestion. Clinical manifestation included terminal ileitis and rapidly progressing glomerulonephritis. To our knowledge, this is the first reported case of HSP secondary to pantoprazole ingestion. The patient presented with renal failure requiring hemodialysis and was initially unresponsive to intravenous pulse steroids. The patient was treated with mycophenolate mofetil, and his renal function recovered. There are limited data regarding use of mycophenolate mofetil for treating crescentic glomerulonephritis secondary to HSP.