Bone & joints
Osteosarcoma
High grade surface osteosarcoma


Topic Completed: 1 August 2013

Revised: 28 December 2018

Copyright: (c) 2003-2018, PathologyOutlines.com, Inc.

PubMed Search: High grade surface osteosarcoma

Nat Pernick, M.D.
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Cite this page: Pernick N High grade surface osteosarcoma. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/bonehighgradesurface.html. Accessed January 22nd, 2021.
Definition / general
  • Very rare
  • Occurs on surface of bone
  • Same prognosis as conventional osteosarcoma, but poorer prognosis than parosteal (juxtacortical) osteosarcoma
Radiology description
  • Surface tumor with variable mineralization
Gross description
  • Fish-flesh appearance of sarcoma
Microscopic (histologic) description
  • Resembles conventional osteosarcoma
Additional references
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