Small bowel (small intestine)
Benign tumors and tumor-like conditions

Author: Hanni Gulwani, M.D. (see Authors page)

Revised: 19 February 2018, last major update August 2012

Copyright: (c) 2003-2018,, Inc.

PubMed Search: Intussusception[TI] small bowel[TI] free full text[sb]

Cite this page: Gulwani, H. Intussusception. website. Accessed March 19th, 2018.
Definition / general
  • Portion of bowel (intussuscipiens) swallows another length of bowel (intussusceptum)
  • Usually occurs during first 5 years of life, 50% within first year (BMC Pediatr 2012;12:36)
  • May be due to lymphoid hyperplasia in ileocecal region secondary to adenovirus or other viral infections
  • In older patients, may be associated with HIV or due to pedunculated intraluminal lipoma or leiomyoma that serves as point of traction
  • Complications: ischemic necrosis due to compression of vessels
Case reports
  • Manual reduction, barium enema, resection
Clinical images

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Gentle reduction of the ileoileal intussusception