TY - CHAP M1 - Book, Section TI - Lesch-Nyhan Syndrome A1 - Bissonnette, Bruno A1 - Luginbuehl, Igor A1 - Marciniak, Bruno A1 - Dalens, Bernard J. Y1 - 2006 N1 - T2 - Syndromes: Rapid Recognition and Perioperative Implications AB - Rare inborn error of purine metabolism that becomes apparent between the ages of 3 and 6 months. Characterized by the presence of orange crystal-like deposits (“orange sand”) in the diapers of infants with the disorder. This is frequently the first symptom of Lesch-Nyhan syndrome. Other clinical features include hematuria, urinary tract infections, arthritis, choreoathetosis manifested by raising and lowering of the shoulders, and facial grimacing. Hypotonia, hypertonia, hyperreflexia, and spasticity have been reported. Megaloblastic anemia, self-mutilating behavior, irritability, screaming, uncontrolled aggressiveness, and compulsive actions complete the clinical presentation. SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/04/19 UR - accessanesthesiology.mhmedical.com/content.aspx?aid=58074180 ER -