Primary idiopathic segmental infarction of the greater omentum: two cases of acute abdomen in childhood.

Idiopathic segmental infarction of the greater omentum (ISIGO) is a rare cause of acute abdominal pain in childhood. The authors present the case histories of 2 children treated in their department. The children underwent surgery with preoperative diagnosis of acute appendicitis with atypical clinical presentation. The definitive diagnosis of segmental infarction of the great omentum was made intraoperatively and confirmed pathologically. Excision of the infracted omentum was curative.