Intracellular vs extracellular Calcium Pyrophosphate Crystals in 134 pts - 108 w/ intracellular & 26 w/ extracellular CPP crystals. Having Acute/chronic CPP crystal arthritis - 97% had intracellular and 62 extracellular crystals (p<0.001). Arthritis more likely to be asso w/… https://t.co/oRVNKptLfx https://t.co/06oGP4EyVJ