
Triple Phosphate Crystals in Urine Sediment: Morphology and pH
Morphology of triple phosphate crystals in urine sediment with alkaline reaction (pH 8.0). Causes of struvite appearance and features of microscopic diagnosis.
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Morphology of triple phosphate crystals in urine sediment with alkaline reaction (pH 8.0). Causes of struvite appearance and features of microscopic diagnosis.

Morphology of star-shaped triple phosphate crystal aggregates against a background of amorphous phosphates during urine sediment microscopy with an alkaline reaction (pH 9.0).

Crystalluria at neutral pH: microscopy of triple phosphates in urine sediment at 100x and 400x magnification. Morphology of struvite crystals in clinical practice.

Morphology of triple phosphate (struvite) crystals in urine sediment under microscopy. Accumulation of prism-shaped crystals ('coffin lids') in the field of view.

Microscopy of urine sediment: typical morphology of triple phosphate (struvite) crystals resembling coffin lids, causes of appearance, and diagnosis.

Microscopy of urine sediment at alkaline pH: triple phosphate crystals as prisms and brown spheres of acidic ammonium urate. Diagnosis of crystalluria.