Angiosarcoma of the Small Intestine: An Immunoperoxidase Study

Nelson G. Ordóñez, Gerard W. del Junco, Alberto G. Ayala, Nisar Ahmed

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


A case of multifocal angiosarcoma of the small intestine is reported. These tumors often contain areas of solid sheets of cells and may be confused with poorly differentiated carcinoma or other sarcomas, as was the tumor in the reported case. Factor VII-related antigen was demonstrated in biopsy samples by the peroxidase antiperoxidase method, showing the tumor to be an angiosarcoma. We conclude that the demonstration of factor VIII-related antigen in the neoplastic cells is an important aid in the diagnosis of angiosarcoma.

Original languageEnglish (US)
Pages (from-to)218-221
Number of pages4
JournalThe American Journal of Gastroenterology
Issue number4
StatePublished - Apr 1983

ASJC Scopus subject areas

  • Hepatology
  • Gastroenterology


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