Calcium PyrophosphateChondrocalcinosisDiphosphatesMicroscopy, PolarizationCrystallizationScleral DiseasesCalcium PhosphatesSynovial FluidPhosphate Transport ProteinsGoutPyrophosphatasesUric AcidTetramisoleCalcinosisJoint DiseasesOsteoarthritisDurapatiteKnee JointThiamine PyrophosphateCartilage, ArticularArthritisHydroxyapatitesTechnetium Tc 99m PyrophosphateCalcium SignalingPolyisoprenyl PhosphatesPhosphoribosyl Pyrophosphate