<prompt> All of the following hereditary conditions prediscope to CNS tumors, exceptNeurofibromatosis 1 and 2Tuberous sclerosisVon-Hippel-Lindau syndromeXeroderma pigmentosum  <response>: Heriditary syndromes associated with Brain tumors Syndrome Genelocus CNS neoplasm Von Hippel-Lindau VHL 3p Hemangioblastoma of retina, cerebellum and spinal cord Li-Fraumeni p53 17p Malignant glioma Retinoblastoma Rb 13q Retinoblastoma, pineoblastoma, malignant glioma Neurofibtomatosis type 1Von Recklinghausens disease NF1 17q Neuroma, Schwannoma, meningioma, optic glioma MEN1 wermer syndrome MEN1 11q Pituitary adenoma, malignant schwannoma Turcots syndrome APC 5q Medulloblastoma, malignant glioma Gorlin basal cell nevus PTCH9q Medulloblastoma Tuberous sclerosis TSC1 9q TSC2 16p Astrocytoma Neurofibtomatosis 2 NF2 22q Schwannoma, glioma, ependymoma Ref: Harrisons 19th edition Pgno : 599 