However, KIAA1549-BRAF fusion characterizes pilocytic astrocytomas whereas V600E BRAF mutation is mainly recorded in pleomorphic xanthoastrocytomas and gangliogliomas.    ///    "However, KIAA1549-BRAF fusion characterizes pilocytic astrocytomas whereas V600E BRAF mutation is mainly recorded in pleomorphic xanthoastrocytomas and gangliogliomas. "