Patent omphalomesenteric duct and exomphalos minor: a rare and interesting association.

A completely patent omphalomesenteric duct was seen in association with two cases of exomphalos minor. Both the patients also had limb anomalies, and one patient had an ileal duplication and colonic atresia. Both babies underwent emergency surgery to correct the anomalies, and one survived. There have been few reports of this combination of anomalies, and there is increasing appreciation that these lesions occur together more often than by chance.