学科分类
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8 个结果
  • 简介:Inthecomingyearslifeexpectancyisexpectedtoincreaseandwiththisthepercentageofthepopulationaboveage65willgrow.Patientsabove65makeupmorethantwothirdsofthosecurrentlydiagnosedwithgastrointestinalmalignancies.Availableevidencebasedmedicinedoesnotfocusontheaveragepatient,abovetheage70,encounteredineverydaypractice.Mostguidelinesandclinicaltrialsarenotdesignedtotakeintoaccountthespecialconsiderationsneededwhentreatingtheelderlysuchasfunctionalstatus,comorbidities,polypharmacy,lifeexpectancy,andsocialsupport.Themajorityofavailabledataisbasedonretrospectivereviewsorsubsetanalysesoflargerstudieswheretheelderlyrepresentafractionofthestudiedpopulation.Thisreviewfocusesonthetoxicitiesandtolerabilityofcurrentstandardtherapiesfornoncolorectalgastrointestinalmalignancies,includinggastroesophageal,pancreatic,bileductandhepatocellularcancersintheelderly.Withcarefulpatientselectionandgeriatricassessmenttheelderlycansafelybenefitfromstandardtherapiesofferedtoyoungerpatients.

  • 标签: 恶性肿瘤 结直肠癌 消化系统 老年人 胃肠道 治疗
  • 简介:Bell’spalsyisacommonlyseencranialnervediseaseandcanresultincompromisedfacialappearanceandfunctions.Itsetiology,prognosisandtreatmentarestillbeingdebated.Thispaperisareviewofrecentdevelopmentintheunderstandingofetiology,diagnosisandnon-surgicaltreatmentofBell’spalsy.

  • 标签: FACIAL PARALYSIS NON-SURGICAL treatment STEROIDS
  • 简介:Longnon-codingRNAs(lncRNAs)refertoagroupofRNAsthatareusuallymorethan200nucleotidesandarenotinvolvedinproteingeneration.Instead,lncRNAsareinvolvedindifferentregulatoryprocesses,suchasregulationofgeneexpression.DifferentlncRNAsexistthroughoutthegenome.LncRNAsarealsoknownfortheirrolesindifferenthumandiseasessuchascancer.HOTAIRisanlncRNAthatplaysaroleasanoncogenicmoleculeindifferentcancercells,suchasbreast,gastric,colorectal,andcervicalcancercells.Therefore,HOTAIRexpressionlevelisapotentialbiomarkerfordiagnosticandtherapeuticpurposesinseveralcancers.ThisRNAtakespartinepigeneticregulationofgenesandplaysanimportantroleindifferentcellularpathwaysbyinteractingwithPolycombRepressiveComplex2(PRC2).Inthisreview,wedescribethemolecularfunctionandregulationofHOTAIRanditsroleindifferenttypesofcancers.

  • 标签: 非编码RNA 癌症 致癌 遗传调控 基因表达 分子功能
  • 简介:Themostimportantriskfactorforstrokeandneurodegenerationisaging.Infact,survivalafterstrokediminisheslargelywithaging.Infact,recoveryafterbrainarteryocclusionisdramaticallyworsenedbyaging,evennormalagingisassociatedwithneurondamageandcognitivedecline.Mechanismsinvolvedinaging-related,cognitivedeclineandsusceptibilitytoneurondamageinstrokeandneurodegenerationarelargelyunknown.Oneofthemostimportant

  • 标签: 神经保护 非甾体类抗炎药 中老年人 线粒体 神经元损伤 谷氨酸受体
  • 简介:Superficialnon-ampullaryduodenalepithelialtumor(SNADET)isdefinedasasporadictumorthatisconfinedtothemucosaorsubmucosathatdoesnotarisefromVater’spapilla,anditincludesadenomaandadenocarcinoma.Recentdevelopmentsinendoscopictechnology,suchashigh-resolutionendoscopyandimage-enhancedendoscopy,mayincreasethechancesofdetectingSNADETlesions.However,becauseSNADETisrare,littleisknownaboutitspreoperativeendoscopicdiagnosis.TheuseofendoscopicresectionforSNADET,whichhasnoriskofmetastasis,isincreasing,buttheincidenceofcomplications,suchasperforation,issignificantlyhigherthaninanyotherpartofthedigestivetract.Apreoperativediagnosisisrequiredtodistinguishbetweenlesionsthatshouldbefollowedupandthosethatrequiretreatment.Retrospectivestudieshaverevealedcertainendoscopicfindingsthatsuggestmalignancy.Inrecentyears,severalnewimagingmodalitieshavebeendevelopedandexploredforrealtimediagnosisoftheselesiontypes.EstablishinganendoscopicdiagnostictooltodifferentiatebetweenadenomaandadenocarcinomainSNADETlesionsisrequiredtoselectthemostappropriatetreatment.ThisreviewdescribesthecurrentstateofknowledgeaboutpreoperativeendoscopicdiagnosisofSNADETs,suchasduodenaladenomaandduodenaladenocarcinoma.Newerendoscopictechniques,includingmagnifyingendoscopy,mayhelptoguidethesediagnostics,buttheiradditionaladvantagesremainunclear,andfurtherstudiesarerequiredtoclarifytheseissues.

  • 标签: ENDOSCOPY Duodenoscopy DUODENAL NEOPLASMS NARROW b
  • 简介:Objective:Basedontheclinicalmanifestationsofahearinglosspatient,thePOU3F4genewastestedfordiagnosisofetiology.Methods:Acomprehensivephysicalexaminationwasperformedontheprobandtoexcludeabnormalitiesofotherorgans,anddetailedaudiologicaltestingandtemporalboneCTscanwerealsoperformed.GenomicDNAwasextractedusingtheproband’speripheralbloodleukocytes.Polymerasechainreactions(PCR)wereperformedinthecodingsequenceofthePOU3F4gene.DirectDNAsequencingwassubsequentlyappliedtoscreentheentirecodingregionofthePOU3F4gene.Results:Theprobandhadseveresensorineuralhearingloss.TemporalCTshowedbilateralcochlearincompletepartition,vestibuledysplasia,internalauditorycanalfundusexpansion,andcochlearinterlinkwiththeinternalauditorycanalfundus.Anovelmutation(c.530C>A(p.S177X))inthePOU3F4genewasfoundinthispatient,creatingannewstopcodonandwaspredictedtoresultinatruncatedproteinlackingnormalPOU3F4transcriptionfactorfunction.Conclusion:ThroughanalysisofthePOU3F4geneandclinicalmanifestationsinthepatient,weconcludethatanovelmutationmayhaveresultedinaprematurestopcodon,contributingtothemutationofPOU3F4gene.

  • 标签: 基因突变 患者 综合征 耳聋 基因组DNA 基因测试
  • 简介:AIM:Toestablishaprognosticformulathatdistinguishesnon-hypervascularhepaticnodules(NHNs)withhigheraggressivenessfromlesshazardousone.METHODS:Seventy-threeNHNsweredetectedingadoliniumethoxybenzyldiethylene-triamine-pentaaceticacidmagneticresonanceimaging(Gd-EOB-DTPA-MRI)studyandconfirmedtochange2mmormoreinsizeand/ortogainhypervascularity.Allimageswereinterpretedindependentlybyanexperienced,board-certifiedabdominalradiologistandhepatologist;bothknewthatthepatientswereatriskforhepatocellularcarcinomadevelopmentbutwereblindedtotheclinicalinformation.AformulapredictingNHNdestinywasdevelopedusingageneralizedestimatingequationmodelwiththirteenexplanatoryvariables:age,gender,backgroundliverdiseases,Child-Pughclass,NHNdiameter,T1-weightedimaging/T2-weightedimagingdetectability,fatdeposition,lowersignalintensityinarterialphase,lowersignalintensityinequilibriumphase,α-fetoprotein,des-γ-carboxyprothrombin,α-fetoprotein-L3,andcoexistenceofclassicalhepatocellularcarcinoma.Theaccuracyoftheformulawasvalidatedinbootstrapsamplesthatwerecreatedbyresamplingof1000iterations.RESULTS:Duringamedianfollow-upperiodof504d,73NHNswithamediandiameterof9mm(interquartilerange:8-12mm)greworshrankby68.5%(fiftynodules)or20.5%(fifteennodules),respectively,whereashypervascularitydevelopedin38.4%(twentyeightnodules).Inthefifteenshranknodules,twelvenodulesdisappeared,while11.0%(eightnodules)werestableinsizebutacquiredvascularity.AgeneralizedestimatingequationanalysisselectedfiveexplanatoriesfromthethirteenvariablesassignificantfactorstopredictNHNprogression.Theestimatedregressioncoefficientswere0.36forage,6.51forlowersignalintensityinarterialphase,8.70or6.03forpositivityofhepatitisBvirusorhepatitisCvirus,9.37fordes-γ-carboxyprothrombin,and-4.05forfatdeposition.Aformulaincorpora

  • 标签: Hepatocellular carcinoma Magnetic resonanceimaging Ethoxybenzyl MOIETY
  • 简介:Objective:Ameta-analysiswasperformedtoaugmenttheinsufficientdataontheimpactofmutativeEGFRdownstreamphosphatidylinositol-3-kinase(PI3K)andmitogen-activatedproteinkinase(MAPK)pathwaysontheclinicalefficiencyofepidermalgrowthfactorreceptortyrosinekinaseinhibitor(EGFR-TKI)treatmentofnon-smallcelllungcancer(NSCLC)patients.Methods:NetworkdatabaseswereexploredinApril,2015.PapersthatinvestigatedtheclinicaloutcomesofNSCLCpatientstreatedwithEGFR-TKIsaccordingtothestatusofK-rasand/orPIK3CAgenemutationwereincluded.Aquantitativemeta-analysiswasconductedusingstandardstatisticalmethods.Oddsratios(ORs)forobjectiveresponserate(ORR)andhazardratios(HRs)forprogression-freesurvival(PFS)andoverallsurvival(OS)werecalculated.Results:MutationinK-rassignificantlypredictedpoorORR[OR=0.22;95%confidenceinterval(CI),0.13-0.35],shorterPFS(HR=1.56;95%CI,1.27-1.92),andshorterOS(HR=1.59;95%CI,1.33-1.91)inNSCLCpatientstreatedwithEGFR-TKIs.MutantPIK3CAsignificantlypredictedshorterOS(HR=1.83;95%CI,1.05-3.20),showedpoorORR(OR=0.70;95%CI,0.22-2.18),andshorterPFS(HR=1.79;95%CI,0.91-3.53)inNSCLCpatientstreatedwithEGFR-TKIs.Conclusion:K-rasmutationadverselyaffectedtheclinicalresponseandsurvivalofNSCLCpatientstreatedwithEGFRTKIs.PIK3CAmutationshowedsimilartrends.InadditiontoEGFR,addingK-rasandPIK3CAasroutinegenebiomarkersinclinicalgeneticanalysisisvaluabletooptimizetheeffectivenessofEGFR-TKIregimensandidentifyoptimalpatientswhowillbenefitfromEGFR-TKItreatment.

  • 标签: 酪氨酸激酶抑制剂 非小细胞肺癌 EGFR 患者 治疗 预测