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What is Features of cystinuria are and explain in detail?
Cystinuria is an autosomal recessive disorder characterized by impaired tubular reabsorption of cystine and dibasic amino acids (ornitine,lysine and arginine) Thus occurs supersaturation of urine with cystine crystals leading to formation of radiopaque calculi . Reference : Ghai TB of pediatrics 8th edition pg 503.