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Ammonium urate urinary stone: its surface structure and incidence in Japan
1Department of Urology, Kinki University School of Medicine, Osaka-Sayama, Japan.
International Urology and Nephrology
|January 1, 1989
Abstract:
We report on a middle-aged woman with a stone in the right kidney, derived from ammonium urate. Its surface structure was examined by scanning electron microscopy. Ammonium urate is a very rare component of urinary stones in industrialized countries, and they are thought to have an incidence of lower than 0.1% in Japan. The aetiology of ammonium urate-derived stones was investigated from an endemo-epidemiological viewpoint.