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Alizarin red stain

Indications: - useful for identifying basic calcium phosphate crystals in synovial fluid (otherwise invisible) - calcium hydroxyapatite crystal deposition disease (Milwaukee shoulder)

General

biochemical stain

References

  1. Medical Knowledge Self Assessment Program (MKSAP) 16 American College of Physicians, Philadelphia 2012
  2. Forster CJ et al. Positive alizarin red clumps in Milwaukee shoulder syndrome. J Rheumatol 2009 Dec 8; 36:2853 PMID: 19966203