Identification of hydroxyapatite crystals in synovial fluid
- PMID: 106859
- DOI: 10.1002/art.1780220412
Identification of hydroxyapatite crystals in synovial fluid
Abstract
A semiquantitative technique employing (14C) ethane-1-hydroxy 1, -1-diphosphonate (EHDP) binding has been used to detect crystals, presumably hydroxyapatite, in human synovial fluid samples which were handled to prevent the formation of artifactual mineral phase. Binding material was found in 29% of non-inflammatory and in none of inflammatory joint fluids. Nuclide binding material was strongly correlated with the presence of CPPD crystals and with radiographic evidence of cartilaginous degeneration.
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