Superior mesenteric artery (SMA) syndrome is a rare cause of duodenal obstruction that can go undiagnosed, exacerbating weight loss in an already significantly malnourished patient. Diagnosis is often challenging, however, can be made by keeping a high index of suspicion based on the clinical presentation. The pathology involves a reduction in the amount of fat pad between the abdominal aorta and superior mesenteric artery (SMA) leading to a reduction of aorto-mesenteric angle and consequent compression of mostly third part of the duodenum. Management is usually conservative, however, if conservative treatment fails, surgical intervention is warranted.Our patient was a 20-year-old female who presented to us with nausea, vomiting, weight loss, and abdominal pain. The presence of obstructive symptoms along with imaging (CT scan) lead to the diagnosis of SMA syndrome and she improved with conservative management. Informed consent was obtained for this study.
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