The ultrastructure of smooth muscle tumors with a consideration of the possible relationship of glomangiomas, hemangiopericytomas, and cardiac myxomas.

Azorides R Morales, G. Fine, V. Pardo, R. C. Horn

Research output: Contribution to journalArticle

73 Citations (Scopus)

Abstract

Tumors classified as being of smooth muscle origin by light microscopy were studied with the electron microscope. Their ultrastructure verified the diagnosis in all of the seven leiomyomas but in only eight of the twelve (66 percent) tumors that were finally classified as leiomyosarcoma. The discrepancy of the light microscopic and ultrastructural findings in these four sarcomas may be due to sampling problems likely to be encountered in poorly differentiated tumors or simply the failure of development of specific ultrastructural features in the face of a characteristic growth pattern at the light microscopic level. Among other tumors that have been considered to be of smooth muscle origin--hemangiopericytoma, glomangioma, and cardiac myxoma--only the glomangioma showed ultrastructure features identical to those of smooth muscle.

Original languageEnglish
Pages (from-to)65-92
Number of pages28
JournalPathology Annual
Volume10
StatePublished - Jan 1 1975
Externally publishedYes

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Smooth Muscle Tumor
Glomus Tumor
Hemangiopericytoma
Myxoma
Smooth Muscle
Light
Neoplasms
Leiomyosarcoma
Leiomyoma
Sarcoma
Microscopy
Electrons
Growth

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

The ultrastructure of smooth muscle tumors with a consideration of the possible relationship of glomangiomas, hemangiopericytomas, and cardiac myxomas. / Morales, Azorides R; Fine, G.; Pardo, V.; Horn, R. C.

In: Pathology Annual, Vol. 10, 01.01.1975, p. 65-92.

Research output: Contribution to journalArticle

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