2024
Cutaneous diatoms from diatomaceous earth mimicking myiasis infection
Roy S, Micevic G, McNiff J, Christensen S, Cowper S. Cutaneous diatoms from diatomaceous earth mimicking myiasis infection. Pathology 2024, 56: 742-743. PMID: 38471986, DOI: 10.1016/j.pathol.2023.12.416.Peer-Reviewed Original Research
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
2021
What's Eating You? Caterpillars.
Ellis CR, Elston DM, Hossler EW, Cowper SE, Rapini RP. What's Eating You? Caterpillars. Cutis 2021, 108: 346-351. PMID: 35167790, DOI: 10.12788/cutis.0406.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsBullous Pemphigoid Exacerbated by Radiation Therapy: An Atypical Presentation
Choi R, Cowper S, Young M, Leventhal J. Bullous Pemphigoid Exacerbated by Radiation Therapy: An Atypical Presentation. Advances In Radiation Oncology 2021, 7: 100794. PMID: 34984247, PMCID: PMC8693003, DOI: 10.1016/j.adro.2021.100794.Peer-Reviewed Case Reports and Technical NotesGeneralized eczematous reactions to the Pfizer‐BioNTech COVID‐19 vaccine
Leasure A, Cowper S, McNiff J, Cohen J. Generalized eczematous reactions to the Pfizer‐BioNTech COVID‐19 vaccine. Journal Of The European Academy Of Dermatology And Venereology 2021, 35: e716-e717. PMID: 34236729, PMCID: PMC8447468, DOI: 10.1111/jdv.17494.Peer-Reviewed Case Reports and Technical Notes
2020
Cutaneous Vasculitis After Ustekinumab Induction in Crohn’s Disease
Chugh R, Proctor DD, Little A, Myung P, Cowper S, Imaeda S, Pashankar DS, Al-Bawardy B. Cutaneous Vasculitis After Ustekinumab Induction in Crohn’s Disease. Inflammatory Bowel Diseases 2020, 27: e30-e31. PMID: 33179735, DOI: 10.1093/ibd/izaa285.Peer-Reviewed Case Reports and Technical NotesMorphea after Borrelia-induced facial nerve palsy
Xie CB, Cowper S, Odell ID. Morphea after Borrelia-induced facial nerve palsy. Journal Of Scleroderma And Related Disorders 2020, 6: 111-113. PMID: 35382252, PMCID: PMC8922639, DOI: 10.1177/2397198320956892.Peer-Reviewed Case Reports and Technical NotesFacial nerve palsyNerve palsyDevelopment of morpheaLocal immune toleranceFacial nerve paralysisAutoimmune phenomenaMost patientsNerve paralysisExact pathogenesisImmune toleranceAutoimmune diseasesHost antigensLocalized sclerodermaCommon causeFamily historyMorpheaEndemic areasGenetic predispositionPrevious episodesPalsyYoung menPrevious casesEnvironmental insultsInfectionBorreliaCutaneous 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 NotesConceptsMantle 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 manifestationsErythema nodosum due to Mycobacterium abscessus infection complicating autologous fat transfer
Su C, Cowper SE, Ramachandran S, Little AJ. Erythema nodosum due to Mycobacterium abscessus infection complicating autologous fat transfer. International Journal Of Women's Dermatology 2020, 6: 340-341. PMID: 33015302, PMCID: PMC7522915, DOI: 10.1016/j.ijwd.2020.05.011.Peer-Reviewed Case Reports and Technical NotesNeoadjuvant anti–programmed cell death 1 therapy for locally advanced basal cell carcinoma in treatment-naive patients: A case series
Ligtenberg KG, Hu JK, Damsky W, Olino K, Kluger H, Clune J, Cowper SE, Panse G, Leventhal J, Weiss SA. Neoadjuvant anti–programmed cell death 1 therapy for locally advanced basal cell carcinoma in treatment-naive patients: A case series. JAAD Case Reports 2020, 6: 628-633. PMID: 32613057, PMCID: PMC7317689, DOI: 10.1016/j.jdcr.2020.05.010.Peer-Reviewed Case Reports and Technical NotesCD8+ mycosis fungoides palmaris et plantaris with peripheral blood involvement
Yumeen S, Mirza FN, Lewis JM, Carlson KR, King B, Cowper S, Bunick CG, McNiff J, Girardi M. CD8+ mycosis fungoides palmaris et plantaris with peripheral blood involvement. JAAD Case Reports 2020, 6: 434-437. PMID: 32382639, PMCID: PMC7200192, DOI: 10.1016/j.jdcr.2020.02.025.Peer-Reviewed Case Reports and Technical NotesA rapidly growing, exophytic nodule on the chest
Ramseier JY, Cowper SE, Leventhal JS, Vesely MD. A rapidly growing, exophytic nodule on the chest. JAAD Case Reports 2020, 6: 417-419. PMID: 32382633, PMCID: PMC7200183, DOI: 10.1016/j.jdcr.2020.02.038.Peer-Reviewed Case Reports and Technical NotesHigh-throughput quantitative histology in systemic sclerosis skin disease using computer vision
Correia C, Mawe S, Lofgren S, Marangoni RG, Lee J, Saber R, Aren K, Cheng M, Teaw S, Hoffmann A, Goldberg I, Cowper SE, Khatri P, Hinchcliff M, Mahoney JM. High-throughput quantitative histology in systemic sclerosis skin disease using computer vision. Arthritis Research & Therapy 2020, 22: 48. PMID: 32171325, PMCID: PMC7071594, DOI: 10.1186/s13075-020-2127-0.Peer-Reviewed Original ResearchConceptsSystemic sclerosisFibrosis scoreQuantitative image featuresBiopsy scorePrimary cohortOutcome measuresSecondary cohortDiagnostic scoreSkin severity scoreSSc clinical trialsRodnan skin scoreLogistic regression modelsControl biopsiesRegression modelsSkin scoreSeverity scoreClinical hallmarkClinical trialsForearm biopsiesSSc skinBiopsy sectionsIndependent cohortPatient basisSSc biopsiesCollagen depositionEndocarditis-associated IgA vasculitis: Two subtle presentations of endocarditis caused by Candida parapsilosis and Cardiobacterium hominis
Wang JX, Perkins S, Totonchy M, Stamey C, Levy LL, Imaeda S, Cowper SE, Little AJ. Endocarditis-associated IgA vasculitis: Two subtle presentations of endocarditis caused by Candida parapsilosis and Cardiobacterium hominis. JAAD Case Reports 2020, 6: 243-246. PMID: 32140528, PMCID: PMC7047146, DOI: 10.1016/j.jdcr.2020.01.009.Peer-Reviewed Case Reports and Technical Notes
2019
Pruritic reticulation: don't ‘fiddle’ around
Salam A, Peleva E, Cowper SE, Leventhal JS. Pruritic reticulation: don't ‘fiddle’ around. Clinical And Experimental Dermatology 2019, 45: 501-504. PMID: 31762054, DOI: 10.1111/ced.14135.Peer-Reviewed Case Reports and Technical NotesLobular neutrophilic panniculitis associated with DNA methyltransferase inhibitors in the treatment of myeloid disease
Coleman E, Panse G, Cowper S, Prebet T, Gore S, Leventhal J. Lobular neutrophilic panniculitis associated with DNA methyltransferase inhibitors in the treatment of myeloid disease. Journal Of Cutaneous Pathology 2019, 46: 930-934. PMID: 31254406, DOI: 10.1111/cup.13537.Peer-Reviewed Original ResearchConceptsLobular neutrophilic panniculitisNeutrophilic panniculitisDNA methyltransferase inhibitorNeutrophilic eccrine hidradenitisInjection site reactionsAcute myelogenous leukemiaMethyltransferase inhibitorNeutrophilic dermatosisSweet's syndromeMaculopapular eruptionCutaneous toxicityHistopathologic characteristicsSite reactionsNext-generation agentsDifferential diagnosisMyelogenous leukemiaTreatment considerationsMyeloid diseasesPanniculitisTreatmentInhibitorsFirst reportGangrenosumHidradenitisEcchymosisPathology 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 formationImmunocompetentPlasmablastsEpithelioidMelanomaDisappearing pigmentary mosaicism during imatinib treatment for gastrointestinal stromal tumors
Coleman E, Panse G, Cowper S, Lacy J, Leventhal J. Disappearing pigmentary mosaicism during imatinib treatment for gastrointestinal stromal tumors. JAAD Case Reports 2019, 5: 170-172. PMID: 30740499, PMCID: PMC6357547, DOI: 10.1016/j.jdcr.2018.11.021.Peer-Reviewed Case Reports and Technical Notes
2018
Detection of Borrelia in Ixodes scapularis ticks by silver stain, immunohistochemical and direct immunofluorescent methods
Galan A, Kupernik P, Cowper SE. Detection of Borrelia in Ixodes scapularis ticks by silver stain, immunohistochemical and direct immunofluorescent methods. Journal Of Cutaneous Pathology 2018, 45: 473-477. PMID: 29569269, DOI: 10.1111/cup.13143.Peer-Reviewed Original ResearchConceptsDirect immunofluorescent methodLyme diseaseImmunofluorescent methodSilver stainScapularis ticksPercentage of positivityRate of infectionCommon tick-borne diseasesIdentification of spirochetesDetection of BorreliaIxodes scapularis ticksClinical presentationRoutine biopsyClinical managementSkin biopsiesI. scapularis ticksConnecticut Agricultural Experiment StationTick-borne diseasesTick attachmentTimely identificationBiopsyDiseaseBorreliaSpirochetesStainHow to take better photomicrographs: A step‐wise approach
Cocks M, Rehman J, Barker N, Auerbach J, Cowper S, Rodic N. How to take better photomicrographs: A step‐wise approach. Journal Of Cutaneous Pathology 2018, 45: 412-415. PMID: 29484692, DOI: 10.1111/cup.13136.Peer-Reviewed Case Reports and Technical Notes