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Lab test interpretation

Neutral Calcium Phosphate Crystals in Urine Sediment

Morphology of neutral calcium phosphate (calcium hydrogen phosphate) crystals in urine sediment. Microscopic features and differential diagnosis.

Yulia Guseva Yulia Guseva 1 min
Native urine sediment preparation: large plate of neutral calcium phosphate, ×400
Native urine sediment preparation: large plate of neutral calcium phosphate, ×400
Native urine preparation: overlapping lamellar calcium phosphate crystals, ×400
Native urine preparation: overlapping lamellar calcium phosphate crystals, ×400
Microscopy of urine sediment: translucent elongated plates of calcium phosphate
Microscopy of urine sediment: translucent elongated plates of calcium phosphate
Native urine sediment preparation: wide irregular plate of calcium hydrogen phosphate, ×400
Native urine sediment preparation: wide irregular plate of calcium hydrogen phosphate, ×400
Microscopy of urine sediment: lamellar crystal with a beveled edge in the field of view
Microscopy of urine sediment: lamellar crystal with a beveled edge in the field of view
Reference book page with photomicrographs of neutral calcium phosphate crystals
Reference book page with photomicrographs of neutral calcium phosphate crystals
Urine analyzer printout with indicators: BLD +++, KET +++, PRO +, pH 5.0
Urine analyzer printout with indicators: BLD +++, KET +++, PRO +, pH 5.0

Microscopy of urine sediment. Neutral calcium phosphate crystals. Magnification x400. 🙏 Photos kindly provided by KDL biologist Yulia Guseva, Belorechenskaya Central District Hospital.

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