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superior mesenteric artery (SMA) syndrome
partial obstruction of third part of duodenum by superior mesenteric artery (SMA)
seen with:
- marked weight loss
- anorexia nervosa
- total body casting
x-ray:
- distension of proximal duodenum
- classically disappears when prone
Richard Gunderman, MD - 10 November 1997
Last updated: 1 September 2006
Medical College of Wisconsin