简介:PURPOSE:Toreviewtheefficacyandpatternsoffailureinaverage-riskmedulloblastomapatientstreatedwithconcurrentchemotherapyandreduced-dosecranialspinalirradiationandaconformaltumorbedboost.METH-ODSANDMATERIALS:Thirty-threepatientswithaveragerisk(definedas<==1.5cm(2)ofresidualtumorafterresection,age>3years,andnoinvolvementofthecerebrospinalfluidorspine)medulloblastomawerediagnosedatourinstitutionbetweenJanuary1994andDecember2001.Theywereenrolledinaninstitutionalpilot