A case of inflammatory myofibroblastic tumor of small intestine, presented as intussusception

Inflammatory myofibroblastic tumor (IMT) is a soft tissue tumor of intermediate malignant potential with a prominent inflammatory infiltrates, consisting of mainly lymphocytes and plasma cells.The small intestine and colon are most commonly involved in the gastrointestinal tract followed by the stomach. The oesophagus, pancreas, appendix and liver are rare sites. Patients present with abdominal pain, bowel obstruction and fever in many cases. Children and young adults are most commonly affected. Etiology is unknown. A 23-year-old female presented with pain abdomen, constipation and bleeding per rectum. X-ray erect showed dilated bowel loops. Ultrasound and CECT abdomen suggested ileocaecal intussusception and features of bowel obstruction. Patient was posted for exploratory laparotomy and ileocaecal segment excision was done. Histopathological examination revealed a mass attached to small intestine and microscopic examination of mass showed inflammatory myofibroblastic tumor. Histopathological examination remains the gold standard for diagnosis of such cases presenting with intestinal obstruction. Small intestinal IMT is very rare.