Stromal tumors

Author: Nat Pernick, M.D. (see Authors page)

Revised: 3 February 2017, last major update October 2011

Copyright: (c) 2002-2017, PathologyOutlines.com, Inc.

PubMed search: stromomyoma

Cite this page: Stromomyoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/uterusstromomyoma.html. Accessed July 17th, 2018.
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