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Site updated at Thursday, 12 May 2016

Common Urological Problems

Congenital Cystinuria

Anomalies of the Proximal Tubule

Defects of Amino Acid Reabsorption
A. Congenital Cystinuria
Increased excretion of cystine results in the formation of cystine calculi in the urinary tract.  Ornithine,  arginine, and lysine are also excreted in abnormally large quantities.

There is also a defect in absorption of these amino acids in the jejunum.  Nonopaque stones should… Anomalies of the Proximal Tubule   

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