Jejunojejunal Adult Intussusception Presented with Rectal Bleeding

Jejunojejunal adult intussusception is a rare disease. Secondarysmall intestine intussusception is even rarer and may result fromintraluminal or extraluminal lesions. Adenocarcinoma may be foundin up to 30% of small-intestine intussusception cases. We presenta case of a 65 year old woman, who presented in the accident andemergency department of a rural hospital with lower gastrointestinalbleeding and abdominal pain. The patient underwent emergentgastroenterology and surgical consultation, imaging studies, urgentsurgical therapy. Diagnosis of small-bowel adenocarcinoma wasmade on the basis of histologic examination. The patient had norisk factors for small-bowel adenocarcinoma. She did not receivechemotherapy after surgical therapy. She has been on a regularfollow-up, without evidence of locoregional relapse or metastases.The probability for a given adult in Greece to present with rectalbleeding because of small bowel intussusception is estimated to be1 to 2 cases annually in a 10 000 000 population. The probabilitythat the cause of intussusception is primary adenocarcinoma iseven smaller. The disease has no specific symptoms or signs. Highdegree of clinical suspicion is needed in order a diagnosis will notbe missed.