CD99 is a commonly available immunostain with various uses. It stains a lot of different tumour and has been described by one soft tissue pathologist as slutty.CD99FromLibrePathologyJumptonavigationJumptosearchCD99isacommonlyavailableimmunostainwithvarioususes.Itstainsalotofdifferenttumourandhasbeendescribedbyonesofttissuepathologistasslutty.Contents1Positive1.1Membranestaining1.2Weak/cytoplasmicstaining1.3Others2Negative3Seealso4ReferencesPositiveMembranestainingEwingsarcoma-diffuse(plasmamembrane)staining.Lymphoblasticlymphoma/leukemia.Angiomatoidfibroushistiocytoma.Desmoplasticsmallroundcelltumour.Weak/cytoplasmicstainingSynovialsarcoma.Rhabdomyosarcoma.Rhabdoidtumour.OthersMalignantmelanoma(9of10cases[1]).Atypicalfibroxanthoma(19of26cases[1]).NegativeSquamouscellcarcinoma.[1]Undifferentiatedsmallroundcellsarcomawitht(4;19)(CIC-DUXsarcoma)-negativeorweakpositive.SeealsoImmunohistochemistry.References↑1.01.11.2Monteagudo,C.;Calduch,L.;Navarro,S.;Joan-Figueroa,A.;Llombart-Bosch,A.(Jan2002)."CD99immunoreactivityinatypicalfibroxanthoma:acommonfeatureofdiagnosticvalue.".AmJClinPathol117(1):126-31.doi:10.1309/2EXB-70CW-3U6P-VQ6H.PMID 11789717.Retrievedfrom"https://librepathology.org/w/index.php?title=CD99&oldid=40592"Category:ImmunohistochemistryNavigationmenuPersonaltoolsLoginNamespacesPageDiscussionVariantsViewsReadViewsourceViewhistoryMoreSearchNavigationMainpageRecentchangesRandompageHelpaboutMediaWikiToolsWhatlinkshereRelatedchangesSpecialpagesPrintableversionPermanentlinkPageinformationThispagewaslasteditedon15October2015,at12:40.ContentisavailableunderAttribution-NonCommercial-ShareAlike4.0Internationalunlessotherwisenoted.PrivacypolicyAboutLibrePathologyDisclaimersContactLibrePathologyMobileview