[Genetics and brain gliomas].

Abstract excerpt

Chromosome arms 1p and 19q codeletion, corresponding to an unbalanced reciprocal translocation t(1;19)(q10;p10), is seen in oligodendroglial tumours and is associated with better prognosis and better chemosensitivity. BRAF abnormalities are observed in pilocytic astrocytomas (tandem duplication-rearrangement) and in pleomorphic xanthoastrocytomas (BRAF V600E mutation). The vast majority of primary or de novo...

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