Pure silicate fragment in a recurrent stone former of calcium oxalate

Urologia Internationalis
O IchiyanagiM Kuwahara

Abstract

Long-time oral intake of magnesium-silicate-containing drugs is thought to be a causative factor inducing silicate urolithiasis. Besides, magnesium seems to play an anti-urolithogenic part in the formation of calcium oxalate stones. We report a recurrent calcium oxalate former who had been treated with magnesium aluminometasilicate antacid for gastric ulcer for approximately 17 years. One of the fragments found during extracorporeal shock wave lithotripsy was identified as 100% silicate. Deposition of silica was also found on other fragments. A large dose of magnesium (given in a part of the drug) might have little influence on the formation of calcium oxalate.

Citations

Apr 25, 2000·The Urologic Clinics of North America·G W Drach
Sep 26, 2007·Urologia Internationalis·M VellaD Melloni
Oct 14, 2006·Current Opinion in Urology·B Hess
Feb 13, 2003·The Urologic Clinics of North America·Arthur ThomasAlan J Wein

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