Distribution and significance of the smooth muscle component in polyps of the large intestine

Ezio Fulcheri, Patrizia Baracchini, Gabriella Lapertosa, Gianni Bussolati

Research output: Contribution to journalArticlepeer-review

Abstract

Immunocytochemical staining for alpha smooth muscle actin specifically reveals the distribution of the muscularis mucosae and pericryptal intramucosal smooth muscle fibers in the normal mucosa and polyps of the large intestine. In the latter, the muscular component is hyperplastic, especially in pedunculated polyps, which display a thick "muscular zone" at the top of the stalk. The diagnostic (and prognostic) significance of the distribution pattern of the muscular component in polyps, and in "early invasion" cases, is discussed.

Original languageEnglish
Pages (from-to)922-927
Number of pages6
JournalHuman Pathology
Volume19
Issue number8
DOIs
Publication statusPublished - 1988

Keywords

  • actin
  • carcinomas
  • immunocytochemistry
  • intestine
  • polyps

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

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