[Ileocecal invagination--an unequivocal computer tomography diagnosis].

The diagnosis "ileocaecal invagination caused by lipoma" is possible by CT alone. The intraluminal lipoma can be identified via density measurement. The invaginated ileum causes an intraluminal mass caudal to the lipoma. Intussuscipiens and intussusceptum are incompletely separated by a crescent of mesenteric fat.