Uric acid crystals are seen in a variety of shapes, including rhombic, four-sided flat plates (whetstones), wedges, and rosettes.Form in urine when pH < 5.5 They usually appear ...

Sulfa crystals from the urinary sediment of a patient taking (sulfamethoxazol), These crystals resemble crystals of uric acid or calcium oxalate, but sulfa crystals are soluble in acetone     Sulfa ...