Stains & CD markers

Topic Completed: 1 June 2005

Minor changes: 12 August 2021

Copyright: 2003-2021,, Inc.

PubMed Search: Silica[title]

Nat Pernick, M.D.
Page views in 2020: 316
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Cite this page: Pernick N. Silica. website. Accessed October 24th, 2021.
Definition / general
  • Present in minerals and building materials
  • Most forms are inert, cannot be stained in tissue, can be demonstrated by white birefringence on polarization
  • Most often present in lung, occasionally in lymph nodes
  • Street drugs for injection are often diluted with silica or talc
Microscopic (histologic) images

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Silica crystals in silicosis of lung, polarized

Polarizable crystals in lung with intravenous drug use

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