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 StatementsGeneralized 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 NotesCutaneous 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 manifestationsHigh-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 deposition
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 reportGangrenosumHidradenitisEcchymosis
2018
How 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 NotesErythema Nodosum–like Eruption in the Setting of Sorafenib Therapy
Coleman EL, Cowper SE, Stein SM, Leventhal JS. Erythema Nodosum–like Eruption in the Setting of Sorafenib Therapy. JAMA Dermatology 2018, 154: 369-370. PMID: 29453869, DOI: 10.1001/jamadermatol.2017.5733.Peer-Reviewed Case Reports and Technical Notes
2017
Image Gallery: Juvenile autoimmune pemphigus presenting with diffuse gingival hypertrophy and antibodies against desmocollin 3
Leventhal JS, Haberland CM, Cowper SE, Tomayko MM. Image Gallery: Juvenile autoimmune pemphigus presenting with diffuse gingival hypertrophy and antibodies against desmocollin 3. British Journal Of Dermatology 2017, 177: e226-e226. PMID: 29192983, DOI: 10.1111/bjd.15954.Peer-Reviewed Case Reports and Technical NotesA 71‐year‐old man with a hemorrhagic vesicular eruption
Hamilton CE, King BA, Cowper SE, Hochster H, Leventhal JS. A 71‐year‐old man with a hemorrhagic vesicular eruption. International Journal Of Dermatology 2017, 57: 147-148. PMID: 29057466, DOI: 10.1111/ijd.13793.Peer-Reviewed Case Reports and Technical NotesWell‐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
2014
Advancing pharmacovigilance through academic–legal collaboration: the case of gadolinium-based contrast agents and nephrogenic systemic fibrosis—a research on adverse drug events and reports (RADAR) report
Edwards BJ, Laumann AE, Nardone B, Miller FH, Restaino J, Raisch DW, McKoy JM, Hammel JA, Bhatt K, Bauer K, Samaras AT, Fisher MJ, Bull C, Saddleton E, Belknap SM, Thomsen HS, Kanal E, Cowper SE, Abu Alfa AK, West DP. Advancing pharmacovigilance through academic–legal collaboration: the case of gadolinium-based contrast agents and nephrogenic systemic fibrosis—a research on adverse drug events and reports (RADAR) report. British Journal Of Radiology 2014, 87: 20140307. PMID: 25230161, PMCID: PMC4170864, DOI: 10.1259/bjr.20140307.Peer-Reviewed Original ResearchConceptsGadolinium-based contrast agentsAdverse drug eventsDrug eventsMedicines AgencyGadopentetate dimeglumineDrug Administration Adverse Event Reporting SystemAdverse Event Reporting SystemDanish Medicines AgencyNephrogenic systemic fibrosisEvent Reporting SystemEuropean Medicines AgencyNSF casesHistopathological dataContrast agentsSystemic fibrosisDrug AdministrationLegal data setsUnconfounded casesGadobenate dimeglumineMean numberDimeglumineReporting systemPharmacovigilance researchSafety informationPharmacovigilanceDiagnosing nephrogenic systemic fibrosis in the post‐FDA restriction era
Thomson LK, Thomson PC, Kingsmore DB, Blessing K, Daly CD, Cowper SE, Roditi GH. Diagnosing nephrogenic systemic fibrosis in the post‐FDA restriction era. Journal Of Magnetic Resonance Imaging 2014, 41: 1268-1271. PMID: 24903851, DOI: 10.1002/jmri.24664.Peer-Reviewed Original Research
2013
Pediatric nephrogenic systemic fibrosis is rarely reported: a RADAR report
Nardone B, Saddleton E, Laumann AE, Edwards BJ, Raisch DW, McKoy JM, Belknap SM, Bull C, Haryani A, Cowper SE, Abu-Alfa AK, Miller FH, Godinez-Puig V, Dharnidharka VR, West DP. Pediatric nephrogenic systemic fibrosis is rarely reported: a RADAR report. Pediatric Radiology 2013, 44: 173-180. PMID: 24057195, PMCID: PMC3946726, DOI: 10.1007/s00247-013-2795-x.Peer-Reviewed Original ResearchConceptsNephrogenic systemic fibrosisSystemic fibrosisGadolinium-based contrast agentsDrug Administration Adverse Event Reporting SystemAdverse Event Reporting SystemEvent Reporting SystemRenal functionPediatric casesResearch RegistryContrast agentsFibrosisDuplicate reportingU.S. FoodSystematic searchReported numberRegistryChildrenReporting systemFAERSExposureReportAgentsMethodsWeCasesCase 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
2012
Nephrogenic systemic fibrosis: concepts and perspectives
de Souza Machado Igreja A, de Carvalho Mesquita K, Cowper SE, Costa IM. Nephrogenic systemic fibrosis: concepts and perspectives. Anais Brasileiros De Dermatologia 2012, 87: 597-607. PMID: 22892775, DOI: 10.1590/s0365-05962012000400013.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsNephrogenic systemic fibrosisGadolinium-based contrast agentsSystemic fibrosisNephrogenic systemic fibrosis casesCareful clinicopathological correlationEffective preventive methodsMagnetic resonance imagingContrast agentsRenal impairmentRenal functionClinicopathological correlationSkin changesProgressive conditionFibrosis casesVisceral organsKidney disordersResonance imagingPreventive methodsPatientsFibrosisDiseaseExposureAgentsRemissionNephrologistsLinking Drugs to Obscure Illnesses: Lessons from Pure Red Cell Aplasia, Nephrogenic Systemic Fibrosis, and Reye’s Syndrome. A Report From the Southern Network on Adverse Reactions (SONAR)
Bennett CL, Starko KM, Thomsen HS, Cowper S, Sartor O, Macdougall IC, Qureshi ZP, Bookstaver PB, Miller AD, Norris LB, Xirasagar S, Trenery A, Lopez I, Kahn A, Murday A, Luminari S, Cournoyer D, Locatelli F, Ray P, Mattison DR. Linking Drugs to Obscure Illnesses: Lessons from Pure Red Cell Aplasia, Nephrogenic Systemic Fibrosis, and Reye’s Syndrome. A Report From the Southern Network on Adverse Reactions (SONAR). Journal Of General Internal Medicine 2012, 27: 1697-1703. PMID: 22692632, PMCID: PMC3509314, DOI: 10.1007/s11606-012-2098-1.ChaptersConceptsPure red cell aplasiaNephrogenic systemic fibrosisChronic kidney disease patientsSerious adverse drug reactionsKidney disease patientsRed cell aplasiaReye's syndromeNSF casesCell aplasiaDisease patientsSystemic fibrosisAdministration of aspirinDanish Medicines AgencyAdverse drug reactionsYears of identificationCKD patientsCounter medicationsDrug reactionsAdverse reactionsGadodiamide administrationObscure illnessPediatric useMedicines AgencyPatientsSyndrome
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