Korean J Gastrointest Endosc.  2008 Mar;36(3):169-172.

A Case of Sigmoid Intussusception Diagnosed by Sigmoidoscopy

  • 1Division of Gastroenterology, Department of Internal Medicine, Hong Ik General Hospital, Seoul, Korea. jhchudr@naver.com


Intussusception most commonly occurs in children, and in more than 90% of cases, no cause is found. In contrast, intussusception in adults is relatively rare but over 90% of patients have an organic lesion as the cause. Only 5% of cases of intussusception occur in adults and most involve the small intestine and are benign, whereas colonic intussusceptions are usually malignant. We report here a case of a 70-year-old man with intussusception who was referred with a one-day history of hematochezia and abdominal pain. The intussusception was caused by a sigmoid colonic tumor. The CT findings suggested that we could reasonably proceed to a sigmoidoscopy to confirm the site of obstruction. We speculated that the sigmoid colon tumor induced the anterograde intussusception. As with our patient, it is important to recognize the need to diagnose the primary lesion exactly and promptly.


Adult intussusception; Sigmoidoscope; Sigmoid colonic tumor
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