Other tumors


Topic Completed: 1 July 2012

Minor changes: 2 September 2020

Copyright: 2003-2021,, Inc.

PubMed Search: gastric leiomyoma

Elliot Weisenberg, M.D.
Page views in 2020: 1,413
Page views in 2021 to date: 1,958
Cite this page: Weisenberg E. Leiomyoma. website. Accessed November 29th, 2021.
Definition / general
  • Benign smooth muscle tumor, rare in stomach (50× less than GIST)
Microscopic (histologic) 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
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