Urinary hematin calculi.

Miller, J I; McBeath, R B; Drach, G W · J Urol · 1991

case_report · Level V

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Abstract

We report 2 cases of nephrolithiasis owing to hematin stones. One patient had no apparent explanation for this finding, while the other was receiving warfarin anticoagulation for a prosthetic aortic valve. The chemical nature, etiology and clinical features of hematin calculi are discussed.

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