Polyps and Tumour-Like Lesions of the Small Intestine

G. Johan A Offerhaus, Lodewijk A A Brosens, Marnix Jansen

Research output: Chapter in Book/Report/Conference proceedingChapter


This chapter reviews polyps and polyp-like lesions encountered in the small intestine, which are, in essence, non-neoplastic. First Brunner's gland hyperplasia, Brunner's gland hamartoma and peri-ampullary myo-epithelial hamartoma are discussed. Next Peutz-Jeghers polyp and juvenile polyp are reviewed, including the hereditary autosomal dominant syndromes Peutz-Jeghers syndrome and juvenile polyposis, of which these lesions are the phenotypic hallmarks. Yet another polyposis syndrome with unknown aetiology that is extremely rare, Cronkhite-Canada syndrome, is described and, lastly, pyogenic granuloma, occasionally found in the small intestine, is briefly discussed. Although it may be present as a polyp in the small intestine, inflammatory fibroid polyp is considered in the chapter on stromal tumours of the small intestine.

Original languageEnglish (US)
Title of host publicationMorson and Dawson's Gastrointestinal Pathology, Fifth Edition
Number of pages11
ISBN (Print)9781405199438
StatePublished - Dec 5 2012
Externally publishedYes


  • Brunner's gland hamartoma
  • Brunner's gland hyperplasia
  • Cronkhite-Canada syndrome
  • Juvenile polyp
  • Juvenile polyposis
  • Peri-ampullary myo-epithelial hamartoma
  • Peutz-Jeghers polyp
  • Peutz-Jeghers syndrome
  • Polyp
  • Pyogenic granuloma
  • Small intestine

ASJC Scopus subject areas

  • General Medicine


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