Affiliation:
1. Department of Neurology Children's Hospital Boston Boston, Massachusetts,
2. Department of Neurology Children's Hospital Boston Boston, Massachusetts
Abstract
Homocystinuria usually presents with ectopia lentis, mental retardation, thromboembolic complications, and skeletal abnormalities. Whereas neuropsychiatric abnormalities are often recognized in untreated homocystinuria, initial presentation with acute psychosis has only rarely been reported. We describe a previously well 17-year-old adolescent with an acute psychosis characterized by auditory and visual hallucinations and marked paranoia who was found to have pyridoxine-responsive homocystinuria. His mental state normalized within several weeks of inception of pyridoxine and antipsychotic therapy. Pyridoxine-responsive homocystinuria is commonly missed on neonatal screens and should be recognized as a potentially treatable cause of acute psychosis in childhood and adolescence. ( J Child Neurol 2002; 17: 859—860).
Subject
Clinical Neurology,Pediatrics, Perinatology, and Child Health
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