[Vascular compression of the duodenum related to a plaster cast (the cast syndrome)].

Case report of a 15-year-old girl presenting compression of the duodenum by the superior mesenteric artery, occurring after the application of a body plaster cast for correction of a idiopathic thoracic scoliosis, which required a gastrojejunostomy. The clinical and radiological pictures of this case fall into the rare entity called the "cast syndrome". The salient features of this syndrome are commented.