Stromal / other tumors

Author: Elliot Weisenberg, M.D. (see Authors page)

Revised: 16 December 2016, last major update July 2012

Copyright: (c) 2003-2016,, Inc.

PubMed Search: gastric leiomyoma
Cite this page: Leiomyoma. website. Accessed March 25th, 2017.
Definition / General
  • Benign smooth muscle tumor, rare in stomach (50× less than GIST)
Micro Description
  • Smooth muscle tumor with minimal atypia; no / rare mitoses
Positive Stains
Negative Stains
Electron Microscopy Description
  • Pinocytotic vesicles, subplasmalemmal dense patches, cytoplasmic microfilaments with focal densities