D2I2.
genetic

Cystinuria

Cystinuria is an inherited disease characterized by high concentrations of the amino acid cystine in the urine, leading to the formation of cystine stones in the kidneys, ureters, and . It is a type of aminoaciduria. "Cystine", not "cysteine," is implicated in this disease; the former is a dimer of the latter.

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Plain-language summary adapted from Wikipedia. Not medical advice.