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[Silicate calculi: report of two cases].

M Koroku¹, H Tanda, S Katoh

¹Sanjyukai Hospital.

Hinyokika Kiyo. Acta Urologica Japonica

|July 6, 2000

Summary

Two patients spontaneously passed silicate stones, confirmed by infrared spectrophotometry. This study reviews 30 previously reported Japanese cases of silicate calculi.

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Area of Science:

Nephrology
Mineralogy

Background:

Silicate calculi are rare urinary tract stones.
Understanding the composition of kidney stones is crucial for diagnosis and treatment.

Observation:

Two patients, aged 53 and 55, presented with spontaneous passage of urinary stones.
Infrared spectrophotometry analysis revealed the stones were primarily composed of silicate.

Findings:

The patients had no known history of ingesting magnesium silicate, a potential source of silicate.
A review of 30 previously reported cases of silicate calculi in Japanese literature was conducted.

Implications:

This case series contributes to the limited literature on silicate urolithiasis.
Further research may elucidate the etiology and optimal management of silicate stones.

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