Colon tumor
Polyps
Juvenile (retention) polyp

Author: Jela Bandovic, M.D. (see Authors page)

Revised: 14 December 2016, last major update May 2012

Copyright: (c) 2003-2016, PathologyOutlines.com, Inc.

PubMed Search: Juvenile (retention) polyp colon

Cite this page: Juvenile (retention) polyp of colon. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/colontumorjuvenilepolyp.html. Accessed April 23rd, 2017.
Definition / General
Case Reports
Gross Description
  • Hamartomatous, large (1 - 3 cm) lesions with long (1 - 2 cm) stalks, red granular or glistening surface; may see cystic cavities
Gross Images

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Prolapsing through rectum

Multiple polyps

Micro Description
  • Granulation tissue and ulcer covering abundant cystically dilated glands filled with mucus in an edematous and inflamed stroma
  • 20% have hyperplastic changes
  • Minimal epithelium or smooth muscle; no atypia
  • Rarely osseous metaplasia, foreign body giant cell reaction to ruptured glands
Micro Images

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Cystically dilated glands and inflammation

Differential Diagnosis