•A woman with recurrent ovarian cancer presented with rectal bleeding and cramping abdominal pain.•CT showed ileocolic intussusception.•In ovarian cancer, intussusception requires surgery whereas other bowel obstructions are initially treated conservatively.
Keywords: Intussusception; Large bowel obstruction; Malignant bowel obstruction; Ovarian cancer; Peritoneal cancer; Peritoneal implant.