tumors:apatient⁃basedstudy[J].BiomedPhysEng,2021,11(1):39⁃46.[6]AremkoJL,JansLB,ColemazLT,etal.Valueandlimitationsofdiffusion⁃weightedimagingingradinganddiagnosisofpediatricposteriorfossatumors[J].AJNR,2010,31(9):1613⁃1616.[7]GutierrezDR,AwwadA,MeijerL,etal.MetricsandtexturalfeaturesofMRIdiffusiontoimproveclassificationofpediatricposteriorfossatumors[J].AmJNeuroradiol,2014,35(5):1009⁃1015.[8]NovakJ,ZarinabadN,RoseH,etal.Classificationofpaedia⁃tricbraintumoursbydiffusionweightedimagingandmachinelearning[J].SciRep,2021,11(1):2987⁃2990.[9]韩秋月,苏春秋,冯飘飘,等.直方图分析方法在鉴别髓母细胞瘤和室管膜瘤中的应用[J].临床放射学杂志,2018,37(4):582⁃585.[10]PayabvashS,TihanT,ChaS.Volumetricvoxelwiseapparentdiffusioncoefficienthistogramanalysisfordifferentiationofthefourthventriculartumors[J].TheNeuroradiologyJournal,2018,31(6):554⁃564.[11]FruehwaldPJ,PuchnerSB,RossiA,etal.Magneticresonanceimagingspectrumofmedulloblastoma[J].Neuror⁃adiology,2011,53(6):387⁃396.[12]ManiasKA,HarrisLM,DaviesNP,etal.Prospectivemulticen⁃treevaluationandrefi...