Uterus
Stromal tumors
Stromomyoma




Topic Completed: 1 October 2012

Revised: 25 February 2019

Copyright: 2002-2017, PathologyOutlines.com, Inc.

PubMed search: stromomyoma
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Cite this page: Pernick N. Stromomyoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/uterusstromomyoma.html. Accessed June 16th, 2019.
Definition / general
  • First described in 1979 (Cancer 1979;43:308)
  • Also known as combined smooth muscle-stromal tumor
  • Tumor mass containing up to 1/3 of smooth muscle component
  • Benign
Case reports
Gross images

Images hosted on other servers:

Well circumscribed tumor

Microscopic (histologic) description
  • Well circumscribed, areas resemble sex cord differentiation
  • Noninfiltrative margin
Microscopic (histologic) images

Images hosted on other servers:

Sharp demarcation with adjacent myometrium

Gross, H&E, alpha
smooth muscle
actin demarcates
leiomyoma-like area

Differential diagnosis
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