Kohri K, Takada M, Kambara N, Kurita T. Ammonium urate urinary stone: its surface structure and incidence in Japan.
Int Urol Nephrol 1989;
21:275-9. [PMID:
2807778 DOI:
10.1007/bf02559737]
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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.
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