Article
Expanding phenotype and clinical analysis of tyrosine hydroxylase deficiency.
Journal of child neurology - 1 Feb 2011
Yeung Wai-Lan, Wong Virginia C N, Chan Kwok-Yin, Hui Joannie, Fung Cheuk-Wing, Yau Eric, Ko Chun-Hung, Lam Ching-Wan, Mak Chloe M, Siu Simon, Low Louis
Abstract excerpt
This study included 12 Chinese patients with a wide spectrum of phenotypes of tyrosine hydroxylase deficiency. Seven females and 5 males, aged 2.2 to 41 years, had phenotypes ranging from severe type with onset at infancy to mild type with onset after 3 years of age. Patients with the severe type had encephalopathy with poor treatment response or infantile parkinsonism with motor delay. Patients with the less...
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