2019
Pathology of spontaneous and immunotherapy‐induced tumor regression in a murine model of melanoma
Blenman KRM, Wang J, Cowper S, Bosenberg M. Pathology of spontaneous and immunotherapy‐induced tumor regression in a murine model of melanoma. Pigment Cell & Melanoma Research 2019, 32: 448-457. PMID: 30702217, PMCID: PMC6500596, DOI: 10.1111/pcmr.12769.Peer-Reviewed Original ResearchConceptsTumor regressionB cellsMelanoma cellsNeutrophil extracellular trapsNeutrophil countAdverse reactionsGeographic necrosisNeutrophil responseExtracellular trapsHistological changesPlasma cellsMurine modelHost responseTumor microenvironmentImmunotherapyNeutrophilsTumorsRegression modelsCellsRegressionLike formationImmunocompetentPlasmablastsEpithelioidMelanoma
2017
Well‐differentiated neuroendocrine tumors in skin: Terminology and diagnostic utility of cytokeratin 5/6 and p63
Panse G, Cowper SE, Leffell DJ, Pulitzer M, Ko CJ. Well‐differentiated neuroendocrine tumors in skin: Terminology and diagnostic utility of cytokeratin 5/6 and p63. Journal Of Cutaneous Pathology 2017, 44: 557-562. PMID: 28417484, DOI: 10.1111/cup.12952.Peer-Reviewed Original ResearchConceptsCutaneous adnexal neoplasmsAdnexal neoplasmsNeuroendocrine tumorsAdnexal tumorsBenign skin adnexal tumorCutaneous adnexal tumorsAggressive metastatic diseaseLow-grade tumorsSkin adnexal tumorsMajority of casesMetastatic diseaseMetastatic adenocarcinomaCarcinoid tumorsCytokeratin 5/6Diagnostic challengeDifferential diagnosisImmunohistochemical stainsCK5/6Diagnostic utilityPrimary siteTumorsNeoplasmsFirst signWDNETsP63
2011
Mycosis fungoides exhibiting features of a dermatofibroma: a case report and review of the literature
Morcos SM, Girardi M, Subtil A, Wilson LD, Cowper SE. Mycosis fungoides exhibiting features of a dermatofibroma: a case report and review of the literature. Journal Of Cutaneous Pathology 2011, 39: 40-46. PMID: 22059953, DOI: 10.1111/j.1600-0560.2011.01804.x.Peer-Reviewed Case Reports and Technical NotesConceptsMycosis fungoidesLesions of MFStage IA mycosis fungoidesUnusual clinical presentationLarge cell transformationClinical cluesClinical presentationDermal lymphocytesPatient populationFibrohistiocytic proliferationCase reportClinical managementAtypical lesionsRight forearmSuspicious tumorsBenign lesionsLesionsFungoidesDermatofibromaPatientsPrognosisLymphocytesTumorsIntraepidermalPlaques
2010
Squamoid Eccrine Ductal Carcinoma: A Case Report and Review of the Literature
Terushkin E, Leffell DJ, Futoryan T, Cowper S, Lazova R. Squamoid Eccrine Ductal Carcinoma: A Case Report and Review of the Literature. American Journal Of Dermatopathology 2010, 32: 287-292. PMID: 20010402, DOI: 10.1097/dad.0b013e3181b623c4.Peer-Reviewed Case Reports and Technical NotesConceptsDuctal carcinomaShave biopsyEccrine ductal carcinomaInitial shave biopsySuperficial shave biopsiesMohs micrographic surgeryRare adnexal tumorTreatment guidelinesCase reportDiagnostic challengeMicrographic surgeryBiologic behaviorComplete excisionAdnexal tumorsImmunohistochemical approachBiopsyCarcinomaRare variantsTumorsDiagnostic purposesPatientsSurgeryNeoplasmsExcisionCancer
2007
Metastatic cutaneous carcinoid tumor mimicking an adnexal poroid neoplasm
Puri PK, Galan A, Glusac EJ, Cowper SE. Metastatic cutaneous carcinoid tumor mimicking an adnexal poroid neoplasm. Journal Of Cutaneous Pathology 2007, 35: 54-57. PMID: 18095995, DOI: 10.1111/j.1600-0560.2007.00755.x.Peer-Reviewed Case Reports and Technical NotesConceptsMetastatic carcinoid tumorsCarcinoid tumorsPoroid neoplasmsCutaneous neoplasmsPigmented basal cell carcinomaPrimary cutaneous neoplasmAdditional clinical informationBasal cell carcinomaMetastatic carcinomaCell carcinomaComplete excisionShave biopsyImmunohistochemical stainsClinical informationUnusual caseApocrine poromaNeoplasmsTumorsMale menCarcinomaFirst caseBiopsyPoromaExcisionDiagnosis