Stomach
Other tumors
Leiomyoma
Author: Elliot Weisenberg, M.D.
Last author update: 1 July 2012
Last staff update: 2 September 2020
Copyright: 2003-2025, PathologyOutlines.com, Inc.
PubMed Search: gastric leiomyoma
Table of Contents
Definition / general | Microscopic (histologic) description | Positive stains | Negative stains | Electron microscopy descriptionCite this page: Weisenberg E. Leiomyoma. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/stomachleiomyoma.html. Accessed April 3rd, 2025.
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
Electron microscopy description
- Pinocytotic vesicles, subplasmalemmal dense patches, cytoplasmic microfilaments with focal densities
