calcium pyrophosphate


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Related to calcium pyrophosphate: chondrocalcinosis

calcium pyrophosphate

[′kal·se·əm ‚pī·rō′fäs‚fāt]
(inorganic chemistry)
Ca2P2O7 White, abrasive powder, used in dentifrice polishes, in metal polishes, and as a food supplement.
References in periodicals archive ?
In the 1960s, McCarty et al (12,13) discovered new crystals in the synovial fluid, which were calcium pyrophosphate dihydrate.
Psendogout: Similar to gout; however, the crystals in the synovial fluid are composed of calcium pyrophosphate dihydrate and not uric acid.
However, calcium pyrophosphate dehydrate deposition disease (CPPD) and rheumatoid arthritis are the differential diagnoses, which need to be evaluated both clinico-radiologically and with a histopathological examination.
Synovial fluid should be aspirated and analyzed if a palpable effusion is present, in order to confirm or exclude inflammatory disease and identifyurate and calcium pyrophosphate crystals.
Calcium pyrophosphate dihydrate (CPPD) crystals show the diagnostic positive birefringence (Figure 2, D and H) observed in this lesion.
On UV light microscopy, fluid aspirated from the inflamed joint of a patient with pseudogout will be teeming with rhomboid-shaped calcium pyrophosphate dihy-drate (CPPD) crystals, which are morphologically different from the needle-shaped monosodium urate (MSU) crystals implicated in the pain and swelling of acute gout, Dr.
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