Stomach

Other tumors

Leiomyoma



Last author update: 1 July 2012
Last staff update: 2 September 2020

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PubMed Search: gastric leiomyoma

Elliot Weisenberg, M.D.
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Cite this page: Weisenberg E. Leiomyoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/stomachleiomyoma.html. Accessed June 16th, 2024.
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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