Bone marrow - nonneoplastic
Systemic disorders
Calcium oxalate granulomas

Author: Nat Pernick, M.D. (see Authors page)

Revised: 27 June 2017, last major update December 2006

Copyright: (c) 2002-2017,, Inc.

PubMed Search: Calcium oxalate granulomas

Cite this page: Calcium oxalate granulomas. website. Accessed October 24th, 2018.
Definition / general
Case reports
Microscopic (histologic) description
  • Radial pattern of yellow white crystals within macrophages and multinucleated giant cells, doubly refractile in polarized light
Microscopic (histologic) images

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Oxalate crystals are birefringent