Prostate
Benign lesions / conditions
Leiomyoma

Authors: Komal Arora, M.D. (see Authors page)

Revised: 28 July 2016, last major update June 2012

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PubMed search: prostatic leiomyoma
Definition / General
Micro Description
Micro Images

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Degenerative type atypia

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