Persistence of Crystals in Stored Synovial Fluid Samples.
Sonia PastorJosé Antonio Bernal-VidalRocío CañoSilvia Gómez-SabaterFernando Borrás-RocherMariano AndrèsPublished in: The Journal of rheumatology (2020)
Preserving samples with heparin in refrigerated conditions allows delayed microscopic examination for crystals. Avoiding crystal-proven diagnosis because of the immediate unavailability of microscopy no longer appears justified.