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[A case of silicate urolithiasis].

N Yamamoto1, S Maeda, I Shinoda

  • 1Department of Urology, TOYOTA Memorial Hospital.

Hinyokika Kiyo. Acta Urologica Japonica
|February 1, 1990
PubMed
Summary
This summary is machine-generated.

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This case study details a rare silicate kidney stone in a patient without a history of magnesium trisilicate antacid use. The analysis confirmed over 98% silicate composition, highlighting the rarity of such urinary calculi.

Area of Science:

  • Nephrology
  • Urology
  • Mineralogy

Background:

  • Silicate calculi are rare urinary tract stones.
  • Magnesium trisilicate is a known, though uncommon, cause of silicate stones.
  • Idiopathic silicate calculi are exceptionally uncommon.

Observation:

  • A 33-year-old female presented with severe right lower flank pain.
  • Physical examination revealed significant right costovertebral angle tenderness.
  • The patient denied any history of magnesium trisilicate antacid ingestion.

Findings:

  • The patient passed a silicate calculus spontaneously on the third hospital day.
  • Infrared spectrophotometry analysis confirmed the stone's composition to be over 98% silicate.
  • Literature review identified only 21 previously reported cases of silicate stones.

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Implications:

  • This case contributes to the limited understanding of idiopathic silicate calculi.
  • Further research may be needed to elucidate the pathogenesis of non-magnesium trisilicate-induced silicate stones.
  • Highlights the importance of comprehensive stone analysis in unexplained cases.