What Are Kidney Stones?
4. Cystine Stones
These stones are caused by a rare medical disorder known as cystinuria. The disorder causes cysteine, which is a naturally occurring amino acid, to leak into the patient’s urine. Too much of the substance in urine can then cause stones made from the substance to form in the kidneys.
These stones tend to be large and they are more likely to cause problems for the patient, such as causing blockages. Cystinuria is also a chronic condition with no cure, and patients are likely to have the stones recurring. Although it cannot be cured, however, the condition can usually be treated to help manage the symptoms.
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