Needle shaped crystals negatively birefringent on polarized microscopy is Characeteristic of which crystal assosciated ahropathy
High-Yield Explanation
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