Calcium PyrophosphateChondrocalcinosisDiphosphatesArthropathy, NeurogenicMicroscopy, PolarizationCrystallizationScleral DiseasesJoint DiseasesSynovial FluidCalcium PhosphatesGoutPhosphate Transport ProteinsPyrophosphatasesThiamine PyrophosphateTechnetium Tc 99m PyrophosphateArthritisUric AcidPolyisoprenyl PhosphatesHemarthrosisPhosphoribosyl PyrophosphateOsteoarthritisTetramisoleKnee JointCalcinosisCartilage, ArticularDurapatiteHydroxyapatitesDimethylallyltranstransferaseCalcium Signaling