The Association of Neurofibromatosis Type 1 and Attention Deficit Hyperactivity Disorder |
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Authors: | Christine W. Koth Laurie E. Cutting Martha B. Denckla |
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Affiliation: | 1. Mary Free Bed Hospital ,;2. University of Michigan , |
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Abstract: | Some research and clinical observations have linked Neurofibromatosis Type 1 (NF-1) and Attention Deficit Hyperactivity Disorder (ADHD). In order to investigate whether ADHD is part of the phenotype of NF-1 or is a separate, unrelated disorder within families, we compared the ADHD status of children affected with NF-1 to that of their unaffected-NF-1 siblings and to that of their biological parents. Results of matched-pair analyses were calculated and revealed a significant with-in pair discordance, when comparing children with NF-1 and their siblings and when comparing children with NF-1 and their biological parents (in families with a sporadic, non-familial NF-1 child). These findings suggest that ADHD may occur as a component of the NF-1 phenotype. |
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