Other tumors of bone

Topic Completed: 1 June 2005

Minor changes: 11 July 2019

Copyright: 2003-2019,, Inc.

PubMed search: leiomyosarcoma [title] bone

Nat Pernick, M.D.
Page views in 2019: 131
Page views in 2020 to date: 66
Cite this page: Pernick N. Leiomyosarcoma. website. Accessed May 28th, 2020.
Definition / general
  • Very rare as primary tumor of bone, resembles soft tissue counterpart
  • Mean age 44 years, range 13 - 77 years; no gender preference
  • Often jaw, femur or other long bones
  • May occur postradiation therapy
  • 75% high grade, predicts recurrence and metastases
Microscopic (histologic) images

Images hosted on other servers:

Quiz case

Positive stains
Negative stains
  • p53 (usually)
Electron microscopy description
  • Cytoplasmic microfilaments with focal densities
Differential diagnosis
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