Phosphotungstic acid-hematoxylin (PTAH)

Topic Completed: 1 June 2005

Revised: 8 March 2019

Copyright: 2003-2015,, Inc.

PubMed Search: Phosphotungstic acid-hematoxylin[title]

Nat Pernick, M.D.
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Cite this page: Pernick N. Phosphotungstic acid-hematoxylin (PTAH). website. Accessed September 16th, 2019.
Definition / general
  • Variant of trichrome stain; demonstrates intracytoplasmic filaments in muscle and glial cells
Microscopic (histologic) images

Myxopapillary ependymoma of broad ligament (fig 7)

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