Microscopy of urine sediment at alkaline pH: triple phosphate crystals as prisms and brown spheres of acidic ammonium urate. Diagnosis of crystalluria.
Triple phosphates and acidic ammonium urate in urine. pH 7.5. Magnification ×40
Morphological features of uric acid crystals in urine sediment: macroscopic appearance, polymorphism of forms, and microscopic picture.
Morphology of uric acid crystals in urine sediment under microscopy. Characteristic rhomboid crystal forms observed with acidic urine pH.
Morphology of triple phosphate (struvite) crystals in urine sediment. Features of detection in alkaline reactions and clinical significance of struvite crystalluria.
