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ID:39069225
大小:663.50 KB
页数:30页
时间:2019-06-24
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1、LungCancerChemotherapyLimingxiathefirstaffiliatedhospitalofAnhuiCollegeofTraditionalChineseMedicineAlsocalled:BronchogeniccarcinomaLungcancerisoneofthemostcommoncancersintheworld.Itisaleadingcauseofcancerdeathinmenandwomenintheworld.Cigarettesmokingcause
2、smostlungcancers.Riskfactors:cigarettes,highlevelsofpollution,radiationandasbestosexposure,etc.Yourlungsaretwospongyorgansinyourchestthataredividedintosections(lobes).Everytimeyouinhale,airiscarriedthroughthewindpipetoyourlungsintwomajorairways(bronchi).
3、Insideyourlungs,thebronchisubdivideintoamillionsmallerairways(bronchioles),whichfinallyendinclustersoftinyairsacs(alveoli).Withintheairsacs,oxygenisabsorbedintoyourbloodstreamandcarbondioxideisreleased.TypesoflungcancerSmallcelllungcancer.Smallcelllungca
4、ncer,sometimescalledoatcellcarcinoma,occursalmostexclusivelyinheavysmokersandislesscommonthannon-smallcelllungcancer.Non-smallcelllungcancer.Non-smallcelllungcancerisanumbrellatermforseveraltypesoflungcancersthatbehaveinasimilarway.Non-smallcelllungcance
5、rsincludesquamouscellcarcinoma,adenocarcinomaandlargecellcarcinoma.HowIsLungCancerDiagnosed?SymptomsandsyndromesPulmonarysymptomsSymptomsinotherorgansSymptomslinkedtotumormetabolismBlood(hematologic)syndromesVeinandartery(vascular)syndromesSkin(cutaneous
6、)syndromesMusculoskeletalsyndromesNervoussystem(neurologic)syndromesHormonal(endocrine)syndromesMiscellaneoussyndromesTestsanddiagnosisScreeningDiagnosisImagingtestsSputumcytologyTissuesamples(biopsy)bronchoscopymediastinoscopyneedlebiopsy(Left)Conventio
7、nalCTscanwithoutcontrastshowingpossibletumorintheliver.(Right)ConventionalCTscanofthesamepatientusingcontrast.ImagescourtesyofDr.PeterChoyke,DepartmentofRadiology,ClinicalCenter,NationalInstitutesofHealth.BronchoscopySmallCellLungCarcinoma(above)accounts
8、forabout15percentofalllungcancercases.Normallungcells(above).StageI.Canceratthisstagehasinvadedtheunderlyinglungtissuebuthasn'tspreadtothelymphnodes.StageII.Thisstagecancerhasspreadtoneighboringlymphnodesorinvadedthechestw
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