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Medical Term:

Lesch-Nyhan syndrome

Pronunciation: lesh-ni'han

Definition: a disorder of purine metabolism due to deficiency of hypoxanthine-guanine phosphoribosyltransferase (HPRT); characterized by hyperuricemia, uric acid renal stones, mental retardation, spasticity, choreoathetosis, and self-mutilation of fingers and lips by biting; X-linked inheritance, caused by mutation in the HPRT gene on Xq.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.