Breast malignant, males, children
Sarcoma
Osteosarcoma

Author: Monika Roychowdhury, M.D. (see Authors page)

Revised: 10 March 2016, last major update November 2012

Copyright: (c) 2002-2016, PathologyOutlines.com, Inc.

PubMed Search: Osteosarcoma [title] breast
Definition / General
  • Malignant tumor of osteoid producing spindle cells
Epidemiology
  • Rare
  • Median age 64 years, range 27-89 years
Case Reports
Treatment
Gross Description
  • Mean 5 cm (1 - 13 cm)
  • 60% are grossly circumscribed
Gross Images

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C/o Nitin Marwaha, M.D.



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Necrotic tumor

Micro Images

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Images courtesy of Nitin Marwaha, M.D.



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Cartilaginous cells

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Mammary osteosarcoma

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Malignant features

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High power

Differential Diagnosis