Needle shaped crystals negatively birefringent on polarized microscopy is Characeteristic of which crystal assosciated ahropathy: (A) Gout, (B) CPPD, (C) Neuropathic ahropathy, (D) Hemophilic ahropathy
Answer is A. Crystals of gout ----needle shaped and strongly negative bifringent Crystals of pseudogout -----rhomboid shaped and weakly positive bifringent Refer : Harrinson 20thth/e p 2165 maheswari 9th ed