外科学总论练习题英文-肿瘤

《外科学总论练习题英文-肿瘤》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、1.Themostusefulserummarkerfordetectingrecurrentdiseaseaftertreatmentofnonscminomatoustesticularcancerisa.Carcinoembryonicantigen(CEA)b.A-fetoprotein(AFP)c.Prostate-specificantigen(PSA)d.CAI25c・P53oncogene2・Anedentulous72-year-oldmanwitha50-yearhistoryofcigarettesmokingpresentswithanontender,hardmas

2、sinthelateralneck.Thesimplestwaytoestablishanaccuratehisologicaldiagnosisofaneckmasssuspectedtobecancerousisa.FineneedleaspirationcytologybBonemarrowbiopsyc.Nasopharyngoscopyd・CTscanoftheheadandnecke.Sinusx-ray3.Whichofthefollowingistrueregardingintravenousadministrationofchemotherapy?a.Subcutaneou

3、sextravasationofcarmustinc(BCNU)or5-fluorouracil(5-FU)usuallycausesulcerationb.Extravasationofdoxorubicinrarelycausesseriousulcerationbecausetheagentbindsquicklytotissuenucleicacidc.Seriousandprogressiveulcerationcanbeexpectedfollowingextravasationofvincristineorvinblastined・Problemsofwoundhealings

4、houldbeanticipatedifsystemic5-FUtherpyisbegunlessthan2wkpostoperativelye.Administrationoffolinicacidpreventsmostofthetoxicityofmethotrexate,butdoesnothelptonormalizewoundhealing4.Forwhichofthefollowingmalignanciesdocshistologicgradebestcorrelatewithprognosis?a.Lungcancerb.Melanomac.Colonicadenocell

5、ularcarcinomad.Hepatocellularcarcinomac.Softtissuesarcoma5・Amothernoticesanabdominalmassinher3-year-oldsonwhilegivinghimabath・Thereisnohistoryofanysymptoms,buttheboy'sbloodpressureis105/85mmHg.Metastaticworkupisnegativeandthepatientisexplored.Themassbelowisfoundwithintheleftkidney.Whichofthefollowi

6、ngthefollowingstatementsconcerningthisdiseaseiscorrect?а.Thistumorisassociatedwithaniridia,hemihypertrophy,andcryptochidismb・Themajorityofpatientspresentwithanasymptomaticabdominalmassandhematuriac.Treatmentwithsurgicalexcision,radiation,andchemotherapyresulitsinsurvivaloflessthan60%eveninhistologi

7、callylow-gradetumorscLSurgivcalexcisioniscurativeandnofurthertreatmentisordinarilyadvisedC・Thistumoristhemostcommonmalignancyinchildhoodб.An11-year-oldgirlpresentstoyourofficebecauseofafamilyhistoryofmedull