Lesch-Nyhan Syndrome
Lesch-Nyhan syndrome, hereditary hyperuricemia /lesh'ni'han/, a
hereditary disorder affecting males, in which there is an excess
production of uric acid, normally present in blood and urine. The
syndrome includes mental retardation, self-mutilation of the fingers and
lips by biting, impaired kidney function, and abnormal physical
development.
Below is an example of the self mutilation of fingers caused by
Lesch-Nyhan Syndrome
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