JC Polyomavirus Nephropathy: A Rare Complication Late after Kidney Transplantation.

Introduction: JC-polyomavirus-associated nephropathy (JC-PVAN) is a rare cause of allograft dysfunction with only a few cases described in the literature.

Case Presentation: We present 2 cases of JC-PVAN, both of which occurred >5 years after kidney transplantation. In both cases, transplant biopsies were performed because of worsening of kidney function.

Multiple abdominal artery dissections: how to distinguish two rare diseases.

A 59-year-old woman was referred to the emergency room with acute abdominal pain. A CT scan revealed multiple dissections and microaneurysms of the superior mesenteric, the hepatic and the renal arteries. Stenting of the superior mesenteric artery was required.