].Cancer,004,101(5):957962.[6]NabiG,SinghI,AnsariMS,etal.Primarysmallcellneuroendocrinecarcinomaofurinarybladder:monentitytoberecognized[J].IntUrolNephrol,001,3(4):637640.[7]AliSZ,ReuterVE,ZakowskiMF.Smallcellneuroendocrinecarcinomaoftheurinarybladder.Aclinicopathologicstudywithemphasisoncytologicfeatures[J].Cancer,1997,9(2):356361.[8]BlomjousCE,VosW,DeVoogtHJ,etal.Smallcellcarcinomaoftheurinarybladder.Aclinicopathologic,morphometric,immunohistochemical,andultrastructuralstudyof1cases[J].Cancer,1989,4(6):13471357.[9]CuestaAlcalaJA,RipaSaldiasL,AldaveVillanuevaJ,etal.Neuroendocrinesmallcellcarcinomaofthebladder.Reviewoftheliteratureandreportofacase[J].ArchEspUrol,002,5(4):452456.[10]AbbasF,CivantosF,BenedettoP,etal.Smallcellcarcinomaofthebladderandprostate[J].Urology,1995,6(5):617630.