Heterotopic bone formation in rectal carcinoma - Case report and literature review

M. Q. Ansari, I. L. Sachs, E. Max, L. C. Alpert

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

A case of heterotopic bone formation in a primary rectal adenocarcinoma was recently observed in a 54-year-old woman. This unusual finding was present both in the diagnostic biopsy and in the subsequently resected bowel. Pertinent gross and microscopic features are presented. This report represents the twelfth case in the literature of heterotopic bone formation in a primary rectal adenocarcinoma and the first such finding in a colonic biopsy from one of these malignancies. The average age of these patients was 56 years (range 32-72) and the male-to-female ratio was 5:7. The rectum is the most common site of ossification in the gastrointestinal tract. The exact mechanism of heterotopic ossification is unknown, but it is probably the result of metaplasia of fibroblasts. Adenocarcinoma has been associated with 12 of the 16 reported cases of rectal glandular tumors with heterotopic bone.

Original languageEnglish (US)
Pages (from-to)1624-1629
Number of pages6
JournalDigestive Diseases and Sciences
Volume37
Issue number10
DOIs
StatePublished - Oct 1992

Keywords

  • adenocarcinoma
  • gastrointestinal tract
  • ossification

ASJC Scopus subject areas

  • Physiology
  • Gastroenterology

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