Abstract
Agenesis of the dorsal mesentery is a rare occurrence that usually presents in children. It is associated with proximal small bowel malrotation as well as high jejunal atresia with discontinuity of the small bowel. We present a case report of an adolescent presenting with clinical features of proximal small bowel obstruction (confirmed on imaging) as well as acute pancreatitis. At laparotomy, he was found to have no dorsal mesentery, without small bowel atresia, and the duodenum was fixed to the posterior abdominal wall. The patient recovered well and remained symptom-free.
Highlights
A 16-year-old boy presented with acute pancreatitis
His serum amylase level was raised at 292 U/l and serum lipase level was raised at 142 U/l
It was found that the dorsal mesentery was absent, which caused spontaneous intermittent volvulus of the duodenum with intermittent occlusion of the common bile duct, causing pancreatitis
Summary
Agenesis of the dorsal mesentery is a rare occurrence that usually presents in children. It is associated with proximal small-bowel malrotation as well as high jejunal atresia with discontinuity of the small bowel. We present a case report of an adolescent presenting with clinical features of proximal small-bowel obstruction (confirmed on imaging) as well as acute pancreatitis. At laparotomy, he was found to have no dorsal mesentery, without small-bowel atresia, and the duodenum was fixed to the posterior abdominal wall.
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