2023
Histopathologic features and immunohistochemistry findings to assist the dermatopathologist in differentiating melanocytic matrical carcinoma from melanoma
Belzer A, Becerra C, Clune J, Malik M, Leventhal J, Cowper S, Johnson R. Histopathologic features and immunohistochemistry findings to assist the dermatopathologist in differentiating melanocytic matrical carcinoma from melanoma. Journal Of Cutaneous Pathology 2023, 50: 471-474. PMID: 36645720, DOI: 10.1111/cup.14376.Peer-Reviewed Original Research
2020
Cutaneous Involvement by Mantle Cell Lymphoma: Expanding the Spectrum of Histopathologic Findings in a Series of 9 Cases.
Panse G, Cowper S, Ko CJ, Subtil A. Cutaneous Involvement by Mantle Cell Lymphoma: Expanding the Spectrum of Histopathologic Findings in a Series of 9 Cases. American Journal Of Dermatopathology 2020, 42: 848-853. PMID: 32675465, DOI: 10.1097/dad.0000000000001742.Peer-Reviewed Case Reports and Technical NotesMeSH KeywordsAgedAged, 80 and overFemaleHumansLymphoma, Mantle-CellMaleMiddle AgedNeoplasms, Multiple PrimarySkin NeoplasmsConceptsMantle cell lymphomaCutaneous involvementCell lymphomaSystemic mantle cell lymphomaAggressive B-cell neoplasmSingle institutional seriesSame biopsy specimenSite of involvementMarginal zone lymphomaB-cell neoplasmsImmunoglobulin M expressionSurface IgM expressionInstitutional seriesSecond malignanciesSystemic involvementClinicopathologic featuresCutaneous lesionsSitu hybridization studiesBiopsy specimenHistopathologic findingsMetastatic melanomaFirst manifestationDirect immunofluorescenceHematolymphoid neoplasmsTissue manifestations
2013
Case experience of 308-nm excimer laser therapy compatibility with PUVA and oral bexarotene for the treatment of cutaneous lesions in mycosis fungoides.
Huang J, Cowper S, Moss J, Girardi M. Case experience of 308-nm excimer laser therapy compatibility with PUVA and oral bexarotene for the treatment of cutaneous lesions in mycosis fungoides. Journal Of Drugs In Dermatology 2013, 12: 487-9. PMID: 23652902.Peer-Reviewed Case Reports and Technical NotesConceptsExcimer laser therapyOral bexaroteneLaser therapyMycosis fungoides lesionsMinimal side effectsMF plaquesLocal erythemaMycosis fungoidesTreatment regimenCutaneous lesionsMF lesionsHistologic resolutionSide effectsTherapyBexaroteneLesionsUltraviolet ARegimenPUVAPatientsTreatmentPlaquesCase experienceFungoidesErythema
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
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
2005
CD56 staining in Merkel cell carcinoma and natural killer‐cell lymphoma: magic bullet, diagnostic pitfall, or both?
McNiff JM, Cowper SE, Lazova R, Subtil A, Glusac EJ. CD56 staining in Merkel cell carcinoma and natural killer‐cell lymphoma: magic bullet, diagnostic pitfall, or both? Journal Of Cutaneous Pathology 2005, 32: 541-545. PMID: 16115052, DOI: 10.1111/j.0303-6987.2005.00378.x.Peer-Reviewed Original ResearchConceptsNatural killer cell lymphomaNK-cell lymphomasMerkel cell carcinomaCases of MCCCD56 positivityCell carcinomaDiagnostic pitfallsDiagnosis of lymphomaCD20 negativityDense inflammationInflamed biopsiesNK lymphomaHistologic featuresMagic bulletNeuroendocrine tumorsCell lymphomaCD56Crush artifactSensitive markerLymphomaAdditional casesCarcinomaPositivityCK20MNF116Cellular digital fibromas: distinctive CD34‐positive lesions that may mimic dermatofibrosarcoma protuberans
McNiff JM, Subtil A, Cowper SE, Lazova R, Glusac EJ. Cellular digital fibromas: distinctive CD34‐positive lesions that may mimic dermatofibrosarcoma protuberans. Journal Of Cutaneous Pathology 2005, 32: 413-418. PMID: 15953374, DOI: 10.1111/j.0303-6987.2005.00358.x.Peer-Reviewed Original Research
1999
Expression of p-27 (kip1) in Nevi and Melanomas
Morgan M, Cowper S. Expression of p-27 (kip1) in Nevi and Melanomas. American Journal Of Dermatopathology 1999, 21: 121-124. PMID: 10218670, DOI: 10.1097/00000372-199904000-00002.Peer-Reviewed Original ResearchConceptsExpression of p27Melanocytic lesionsSpitz neviDistribution of immunoreactivityP27 labeling indexMinority of casesCell cycle inhibitory proteinsChart reviewMalignant melanocytic lesionsClinical historyDiagnostic challengeBiologic behaviorHistopathologic criteriaLabeling indexCompound neviLogistic regressionHuman neoplasmsNeviNuclear stainingLesionsMelanomaP27Inhibitory proteinAccurate distinctionSkin