Urates / uric acid
Reviewer: Nat Pernick, M.D. (see Reviewers page)
Revised: 31 August 2013, last major update June 2005
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
- Uric acid crystals seen in acid urine
- Urates present in tissue as sodium urate, but soluble in aqueous solutions and slightly soluble in weak alcoholic solutions, so tissue must be fixed in 95%/100% alcohol to prevent leaching of urates
- Urates are stained black by GMS
- Sodium urate crystals are birefringent on polarization
Uric acid crystals, polarized, with red plate
End of Stains > Urates / uric acid
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