Man 56 yo, acute colic pain at right upper quadrant of abdomen, crisis and vomitting 3 days ago.
Ultrasound scanning of liver:
US1: Ultrasound detects big mass near gallblader liked a bowel loop dilated.
US 2: Right colon dilated with multiple layers which is oignon sign.
US3. Coecum moved up near liver connected with one cystic mass.
US 4 Cystic mass with multiple rings [oignon sign], typical of mucineous cyst of appendix.
CT scan abdomen detected right colon moving up with coecum intussusception (CT1 frontal section;, CT2, sagital section; CT3, frontal section).
Emergency operation with diagnosis colo-colic intussusception by appendicular mucocele.
See specimen of operation by right colectomy.
Microscopic report is appendicular mucocele.