Rare presentation of ileocolic intussusception secondary to mantle cell lymphoma.

Mantle cell lymphoma is a type of B-cell non-Hodgkin's lymphoma (NHL) and accounts for 3%-6% of all adult NHL. Bowel intussusception secondary to lymphoma is rare in adults, accounting for only 4% of all cases.The authors present the case of a 53-year-old man, recently diagnosed with mantle cell lymphoma, who presented with sudden onset right-sided abdominal pain and was found to have ileocolic intussusception up to the hepatic flexure on abdominal CT.