Saturday, April 7, 2007

Sporadic Neurofibromatosis and Advanced Paternal Age

1: J Child Neurol. 1993 Oct;8(4):395-402. Links
Neurofibromatosis type 1: review of the first 200 patients in an Australian clinic.North K.
Department of Neurology, Children's Hospital, Camperdown, Sydney, Australia.

Neurofibromatosis type 1 is a common multisystem disorder, best managed in a multidisciplinary clinic. In 1991, the first Australian neurofibromatosis clinic was established at the Children's Hospital, Camperdown, and the clinical characteristics of the first 150 families are reviewed. Two hundred individuals were assessed; there was an equal sex distribution, and 55% of cases were sporadic. Advanced paternal age appeared to predispose to new mutations in the neurofibromatosis gene. Cafe-au-lait spots and axillary freckling were important to the diagnosis of neurofibromatosis type 1 during childhood, and neurofibromas and Lisch nodules, although often not appearing until after puberty, were present in almost all patients over 30 years of age. Short stature (27%), macrocephaly (43%), scoliosis (20.5%), and learning disabilities (45%) were common associated features. The prevalence of disease complications was similar to the major US and European studies.

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