Phenotypic variability in two families with novel splice-site and frameshift NF2 mutations.

Abstract excerpt

Neurofibromatosis 2 (NF2) is a clinically variable autosomal dominant disorder, caused by mutations in the NF2 tumor suppressor gene on chromosome 22q12, that predisposes to nervous system tumors and ocular abnormalities. To assess intrafamilial phenotypic variability, we performed mutation analysis and clinical assessment on two multigeneration NF2 families with five patients and seven asymptomatic first-degree...

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