简介：Themanagementofcastrate-resistantprostatecancerprogressingaftermaximumandrogenblockade(MAB)hasevolvedinthelastdecadewiththedevelopmentofseveralnoveltherapeuticoptions.However,theinitialtherapeuticstrategyinthesepatientsusuallyinvolveswithdrawalofanti-androgenthatcanbeassociatedwithbiochemicalresponseinapproximately20%ofpatients.Notably,wehaveobservedevidenceofsustainedbiochemicalresponseintwopatientsfollowingsecondandthird-lineMABusingrechallengescheduleofpreviouslyadministeredanti-androgenafterlatentinterval.ThepossibilityofresponsefollowingsequentialMABusingthesameanti-androgenagenthasnotyetbeenreported.

简介：Molecularsubtypingofbreastcancermayprovideadditionalprognosticinformationregardingpatientoutcome.Theepidermalgrowthfactorreceptor(HER2)overexpressingbreastcancersaredesignatedasHER2-postive(HER2+)breastcancerandcarryaparticularlyunfavorableprognosis.WepresenttwocasesofHER2-postivemetastaticbreastcancer(MBC)whoarefoundtobeachallengetotreat,especiallyduetotheoccurrenceofbrainmetastasis.Trastuzumab-basedtherapyimprovesclinicaloutcomes,evenifthepatienthasundergonemulti-linetreatment.ThesecasereportsalsoemphasizetheimportanceofretestingHER2statusbecauseitcanbediscordanceinreceptorstatusbetweenprimaryandrecurrentbreastcancer.

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简介：Non-smallcelllungcancer(NSCLC)ranksastheleadingcauseofcancer-relateddeathintheworld.Brainmetastasis(BM)isacommoncomplicationofNSCLC,with25%–40%ofpatientsdevelopingBMduringthecourseofthedisease.Asignificantstrategyoflocaldiseasecontrolinthecentralnervoussystemisradiationtherapy.Withthedevelopmentofprecisionmedicine,theconceptoftreatinglungcancerBMhasgraduallychanged.Inthiscase,weperformedasurgicalproceduretoobtainenoughtumortissueforthedetectionofthetargetgeneandotherrelatedexperimentsafterthepatientwasinformed.Finally,wefoundthatthepatienthadbothhepatocytegrowthfactorreceptor(MET)geneamplificationandkinesinlightchain1-anaplasticlymphomakinasefusion(KLC1-ALK)throughnext-generationsequencingandshowedsensitivitytothetargetedtherapyofcrizotinib.Thepatientexhibitedgoodresponse.Ourcasewassuccessfulandunderwenttargetedtherapywiththeguidanceofprecisediagnosis.

简介：Aseventyeightyearsoldmalepatientunderwentawholebody18F-FDGPET/CTimagingtodiagnosethelesionwhichwasshowedintherightlungbyachestXraytestandCTscanbefore.Besidestheintense18F-FDGuptakeofthelesionintherightlung,alesionintheleftparotidglandalsoshowedintense18F-FDGuptake.Toevaluatethepathologyofthelesionintheleftparotidgland,aparotidglandscintigraphyimagingwithTc-99mpertechnetatewasdoneandrevealedaWarthin'stumor.Laterafineneedleaspiration(FNA)confirmedthatitwasaWarthin'stumor.