Prostate gland & seminal vesicles

Mesenchymal tumors


Last author update: 1 June 2012
Last staff update: 20 January 2022

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PubMed search: Prostatic leiomyoma

Komal Arora, M.D.
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Cite this page: Arora K. Leiomyoma. website. Accessed September 30th, 2023.
Definition / general
Microscopic (histologic) description
Microscopic (histologic) images

Contributed by Kenneth A. Iczkowski, M.D.


Positive stains
  • Desmin, actin, androgen receptor
Differential diagnosis
  • Nodular hyperplasia: no well organized fascicles, no hyalinization, no necrosis, no calcification
  • Leiomyosarcoma: hypercellular, infiltrative, variable atypia, definite mitotic activity, necrosis
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