a through d, The use of CK7 and CK20 to further classify CK+ and S100 ... Neoplasms likely to be CK+/S100−/LCA−/vimentin+ with an outline for ... an indispensable ancillary study and is crucial in oncologic pathology.SkiptoMainContentSearchsearchinputSearchinputautosuggestSearchUserToolsRegisterSignInToggleMenuMenuHomeIssuesCurrentIssueAvailableIssuesEarlyOnlineReleaseWeb-OnlyArticleIndexSubmitaManuscriptEditorialBoardSubscribeInstructionsforAuthorsInstructionsforAuthorsAuthorshipFormSubmitManuscriptsAdvertisingJobsSkipNavDestinationArticleNavigationClosemobilesearchnavigationArticlenavigationVolume138,Issue121December2014PreviousArticleNextArticleHOWTOAPPROACHUNDIFFERENTIATEDNEOPLASMS/TUMORSOFUNCERTAINORIGINRECOMMENDEDDIAGNOSTICIMMUNOHISTOCHEMICALPANELSDIAGNOSTICIMMUNOHISTOCHEMICALPANELSBASEDONHISTOMORPHOLOGYMOLECULARPROFILINGFORIDENTIFICATIONOFATUMOROFUNCERTAINORIGINCONCLUSIONSReferencesArticleNavigationother|December012014ImmunohistochemistryinUndifferentiatedNeoplasm/TumorofUncertainOriginFanLin,MD,PhD;FanLin,MD,PhDFromtheDepartmentofLaboratoryMedicine,GeisingerMedicalCenter,Danville,Pennsylvania.Searchforotherworksbythisauthoron:ThisSitePubMedGoogleScholarHaiyanLiu,MDHaiyanLiu,MDFromtheDepartmentofLaboratoryMedicine,GeisingerMedicalCenter,Danville,Pennsylvania.Searchforotherworksbythisauthoron:ThisSitePubMedGoogleScholarArchPatholLabMed(2014)138(12):1583–1610.https://doi.org/10.5858/arpa.2014-0061-RASplit-ScreenViewsIconViewsArticlecontentsFigures&tablesVideoAudioSupplementaryDataPDFLinkPDFShareIconShareFacebookTwitterLinkedInEmailGuestAccessToolsIconToolsGetPermissionsCiteIconCiteSearchSiteCitationFanLin,HaiyanLiu;ImmunohistochemistryinUndifferentiatedNeoplasm/TumorofUncertainOrigin.ArchPatholLabMed1December2014;138(12):1583–1610.doi:https://doi.org/10.5858/arpa.2014-0061-RADownloadcitationfile:Ris(Zotero)ReferenceManagerEasyBibBookendsMendeleyPapersEndNoteRefWorksBibTextoolbarsearchSearchsearchinputSearchinputautosuggestSearchContextImmunohistochemistryhasbec