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Kidney and Urinary Tract Disorders

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Stones in the Urinary Tract

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Stones in the Urinary Tract

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  • Stones in the Urinary Tract
  • Stones that form in the urinary tract or kidney are composed of calcium, uric acid, cystine, or struvite (a mixture of magnesium, ammonium, and phosphate). They may vary in size and shape.

    (Photograph from Medichrome/Leonard Kamsler.)

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