How is workup of CPPD?

WBC and ESR elevated, underlying metabolic disease, get serum Ca, P, Mg, ALP, iron workup, pseudogout (leukocytosis with left shift), crystals appear rhomboid difficult to see, If intracellular acute pseudogout may suggest it, aspiration we see WBC 10,000-50,000 90% neutrophils) Radio (Hooklike osteophytes seen for hemochormatosis, pseudosteoarthritis and simple CPPD, US shows difference between gout and chondrolithiasis