Resolution of refractory superior mesenteric artery syndrome with laparoscopic duodenojejunostomy: pediatric case series with spectrum of clinical imaging.

Background: Superior mesenteric artery (SMA) syndrome is an uncommon condition resulting in partial small bowel obstruction because of external compression of the third portion of the duodenum between the SMA anteriorly and the aorta posteriorly. SMA syndrome often presents with postprandial nausea, bilious vomiting, and abdominal pain with associated weight loss. Onset of symptoms can be acute (occurring in the setting of rapid weight loss because of trauma/surgery) or can be vague and chronic over many years.

Polyps in children.

Children with polyps usually present with bleeding or pain. Most pediatric intestinal polyps are sporadic and are not associated with malignancy. Polyposis syndromes are also well described in children.