Superior Mesenteric Artery Syndrome

**Definition:** DUODENAL OBSTRUCTION by the superior mesenteric artery (MESENTERIC ARTERY, SUPERIOR) which travels in the root of the MESENTERY and crosses over the DUODENUM. The syndrome is characterized by the dilated proximal duodenum and STOMACH, bloating, ABDOMINAL CRAMPS, and VOMITING. Often it is observed in patient with body casts after spinal surgery.

**Tree numbers:** - C06.405.469.275.395.890

**Synonyms:** - Cast Syndrome - Duodenal Compression Syndrome, Mesenteric - Mesenteric Duodenal Compression Syndrome - Wilkie Syndrome