Spontaneous perinephric hemorrhage (Wunderlich syndrome) secondary to polyarteritis nodosa: Computed tomography and angiographic findings

We report the case of a young man who presented with spontaneous left perinephric hematoma and per-rectal bleeding. Evaluation revealed renal and superior mesenteric arterial aneurysms secondary to polyarteritis nodosa (PAN). Computed tomography and angiographic findings are presented. The aetiology of spontaneous perinephric hemorrhage along with relevant features of PAN are discussed