Bone
Bone forming tumors (not osteosarcoma)
Bone forming tumors - general


Topic Completed: 1 August 2013

Revised: 5 July 2019

Copyright: 2003-2019, PathologyOutlines.com, Inc.

PubMed Search: Bone forming tumors[title]

Nat Pernick, M.D.
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Cite this page: Pernick N. Bone forming tumors - general. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/bonetumorgeneral.html. Accessed December 5th, 2019.
Definition / general
  • Most are benign, although they often are not biopsied
  • Tumors in childhood are usually benign; tumors in elderly are usually malignant
  • Some tumors (giant cell tumor, well differentiated cartilaginous tumors) have borderline features
  • Important to be aware of patient age, bone involved, area of bone involved (epiphysis, metaphysis, diaphysis; cortex, medulla or periosteum) and radiologic appearance before making microscopic diagnosis
  • Xrays are important to define the tumor’s location and aggressiveness, and are necessary to diagnose low grade cartilaginous tumors
  • Clinical symptoms are usually not helpful in making a diagnosis
Diagrams / tables

Contributed by Dr. Mark R. Wick

Age and radiographic pattern

Age and profile

Sites of preference



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Diagram of common tumor locations

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