Primary omental torsion in children.

Primary torsion of the omentum is an unusual cause of an acute abdomen and commonly mimics acute appendicitis. The following report of four obese children is supportive of obesity as a predisposing factor. The paucity of gastrointestinal symptoms, anorexia, nausea, vomiting, and the relatively long duration of symptoms, may increase the index of suspicion. In the majority of cases, the diagnosis is made intraoperatively by digital exploration through the muscle-splitting incision. The torsed omentum is easily delivered through the same incision, and excision results in complete recovery.