An atypical cause of vomiting: Coexisting Wilkie's syndrome and a left renal malformation mimicking a nutcracker phenomenon-A case report.

The superior mesenteric artery syndrome and nutcracker phenomenon are rare vascular disorders due to the abnormal development of the superior mesenteric artery stemming from the abdominal aorta with reduced angle (<22°) and resultant compression of the left renal vein and duodenum. It is an underreported entity due to the absence of specific pathognomonic signs. We report the case of a 59-year-old man, admitted for acute bilious vomiting, who underwent a gastroscopy and a computed tomography scan revealing a Wilkie's syndrome associated with a dilated posterior left renal vein communicating with the left ascending lumbar vein without connection with the inferior vena cava mimicking a nutcracker phenomenon.