Stains & CD markers
Trichrome


Topic Completed: 1 June 2005

Minor changes: 18 June 2021

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PubMed Search: Trichrome[title]

Nat Pernick, M.D.
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Cite this page: Pernick N. Trichrome. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/stainstrichrome.html. Accessed August 2nd, 2021.
Definition / general
  • Stains collagen blue
  • Phosphotungstic or phosphomolybdic acid is used with anionic dyes
Terminology
  • Martius scarlet blue trichrome: method for staining of elastica, connective tissue in general, fibrin; stains for fresh (orange-yellow), mature (red) or old (blue) fibrin
  • PTAH: variant of trichrome stain; demonstrates intracytoplasmic filaments in muscle and glial cells
Microscopic (histologic) images

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Chronic active hepatitis with hepatocyte collapse

Cerebral abscess

Scleroderma with fibrosis of submucosa in stomach

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