Mature Teratomas of the Lesser Omentum

This article describes huge mature teratomas in the lesser omentum, rarely reported in the literatures. Non-enhanced CT scan showed characteristic imaging findings and a correct diagnosis was achieved before operation. Although there are some debates regarding the origin of teratomas in this patient, but operative findings and pathological examination of resected specimen confirms its origin to be from the lesser omentum instead of the pancreas. The CT images will improve our clinical recognition for this rare disease entity. These images are instructive and educative.