Small bowel (small intestine)

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Small bowel (small intestine)

Benign tumors and tumor-like conditions

Intussusception

Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 21 December 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.

General
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● 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

Diagram

Case reports
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● 75 year old man with giant ileal lipoma (Int J Surg Case Rep 2012;3:382)

Treatment
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● Manual reduction, barium enema, resection

Clinical images
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Gentle reduction of the ileoileal intussusception

End of Small bowel (small intestine) > Benign tumors and tumor-like conditions > Intussusception

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