<prompt> True about turcot syndromeMutations in PTEN geneCNS tumorsNon neoplastic polypsCongenital hypertrophy of retinal pigment epithelium  <response>: Ans. b CNS tumorsRef: Russell Rubinsteins Pathology of Tumors of the Nervous System 7Ed, pg 997Turcot syndrome is characterised by:Intestinal polyposisCNS tumours: glioblastoma or medulloblastoma 