1. A rare inherited metabolic disorder characterized by excessive excretion of the amino acid cystine in the urine, often leading to kidney stone formation.
Usage: medical; plural form of cystinuria; typically used in clinical or scientific contexts

Examples

• Cystinurias are autosomal recessive disorders that affect amino acid transport in the kidneys.
• Patients with cystinurias often develop painful kidney stones early in life.
• The diagnosis of cystinurias is confirmed through urine analysis showing elevated cystine levels.
• Treatment for cystinurias may include increased fluid intake and dietary modifications.
• Genetic counseling is recommended for families with a history of cystinurias.