简介:Braintumorsincidenceinpediatricagehasbeenestimatedbetween1.3to5%witharelativeincidenceof1.4to11%duringthefirstyearoflife;theimprovementininstrumentaldeviceshasleadtoarelativeincreaseinprecociousdiag-nosis.Thechoicetostudybraintumorsofthefirstyearoflifeasaseparatetopicfrompediatricageonesdependsontheobservationthatthesele-sionshavepeculiarclinical,topographicandtis-sularcharacteristics.Thesurvivalrateofthesepatientsisverypoorifcomparedwiththatfound