2020
A detailed analysis of the distribution, morphology, and histopathology of complex purpura in hospitalized patients: A case series of 68 patients
Gehlhausen JR, Wetter DA, Nelson C, Ramachandran S, McNiff JM, Ko CJ. A detailed analysis of the distribution, morphology, and histopathology of complex purpura in hospitalized patients: A case series of 68 patients. Journal Of The American Academy Of Dermatology 2020, 84: 1188-1196. PMID: 32376433, DOI: 10.1016/j.jaad.2020.04.149.Peer-Reviewed Original ResearchConceptsSmall vessel vasculitisLeukocytoclastic vasculitisMicrovascular occlusionIgA vasculitisCase seriesCommon diagnosisSystemic diseaseDermatologic consultationHigh mortalityTertiary care centerMajority of patientsMedium vessel vasculitisBiopsy findingsHospitalized patientsCare centerRetrospective natureVasculitisDifferential diagnosisInpatient consultationsPurpuraClinical morphologyDiagnostic utilityPatientsInpatientsSuperficial vesselsA Multicenter Cross-Sectional Study and Systematic Review of Necrobiotic Xanthogranuloma With Proposed Diagnostic Criteria
Nelson CA, Zhong CS, Hashemi DA, Ashchyan HJ, Brown-Joel Z, Noe MH, Imadojemu S, Micheletti RG, Vleugels RA, Wanat KA, Rosenbach M, Mostaghimi A. A Multicenter Cross-Sectional Study and Systematic Review of Necrobiotic Xanthogranuloma With Proposed Diagnostic Criteria. JAMA Dermatology 2020, 156: 270-279. PMID: 31940000, PMCID: PMC6990734, DOI: 10.1001/jamadermatol.2019.4221.Peer-Reviewed Original ResearchMeSH KeywordsAgedCohort StudiesCross-Sectional StudiesFemaleHumansMaleMiddle AgedMultiple MyelomaNecrobiotic XanthogranulomaParaproteinemiasRetrospective StudiesConceptsMulticenter cross-sectional studyNecrobiotic xanthogranulomaCross-sectional studyPlasma cell dyscrasiaDiagnostic criteriaMulticenter cohortMalignant conditionsConsensus exerciseSystematic reviewPeriorbital distributionLymphoproliferative disordersCutaneous lesionsMultiple myelomaMinor criteriaBetter treatment response rateDiagnosis of NXGTertiary academic referral centerNon-Langerhans cell histiocytosisAcademic referral centerTreatment response ratesPennsylvania Health SystemMassachusetts General HospitalBoard-certified dermatologistsIntralesional triamcinoloneIntravenous immunoglobulinBullous pemphigoid after anti–programmed death-1 therapy: A retrospective case-control study evaluating impact on tumor response and survival outcomes
Nelson CA, Singer S, Chen T, Puleo AE, Lian CG, Wei EX, Giobbie-Hurder A, Mostaghimi A, LeBoeuf NR. Bullous pemphigoid after anti–programmed death-1 therapy: A retrospective case-control study evaluating impact on tumor response and survival outcomes. Journal Of The American Academy Of Dermatology 2020, 87: 1400-1402. PMID: 31931083, DOI: 10.1016/j.jaad.2019.12.068.Peer-Reviewed Original Research
2019
Clinical Features and Comorbidities of Patients With Necrobiosis Lipoidica With or Without Diabetes
Hashemi DA, Brown-Joel ZO, Tkachenko E, Nelson CA, Noe MH, Imadojemu S, Vleugels RA, Mostaghimi A, Wanat KA, Rosenbach M. Clinical Features and Comorbidities of Patients With Necrobiosis Lipoidica With or Without Diabetes. JAMA Dermatology 2019, 155: 455-459. PMID: 30785603, PMCID: PMC6523472, DOI: 10.1001/jamadermatol.2018.5635.Peer-Reviewed Original ResearchConceptsNecrobiosis lipoidicaClinical featuresThyroid diseaseDiagnosis of NLRare granulomatous conditionComorbidities of patientsMulticenter retrospective reviewElevated blood glucosePennsylvania Health SystemMassachusetts General HospitalNL lesionsNotable comorbiditiesMedical comorbiditiesMedian hemoglobinPatient demographicsMedian ageRetrospective reviewEpidemiologic characteristicsPathophysiologic characteristicsBiopsy statusGranulomatous conditionsCase reportFemale sexBlood glucoseRisk factors
2018
The Association of Age With Clinical Presentation and Comorbidities of Pyoderma Gangrenosum
Ashchyan HJ, Butler DC, Nelson CA, Noe MH, Tsiaras WG, Lockwood SJ, James WD, Micheletti RG, Rosenbach M, Mostaghimi A. The Association of Age With Clinical Presentation and Comorbidities of Pyoderma Gangrenosum. JAMA Dermatology 2018, 154: 409-413. PMID: 29450453, PMCID: PMC5876860, DOI: 10.1001/jamadermatol.2017.5978.Peer-Reviewed Original ResearchConceptsInflammatory bowel diseaseHematologic malignant neoplasmsMedical comorbiditiesMalignant neoplasmsAssociation of agePyoderma gangrenosumClinical presentationBowel diseaseHematologic disordersMulticenter retrospective cohort studyTertiary academic referral centerInflammatory neutrophilic dermatosisPatients 65 yearsRetrospective cohort studyAcademic referral centerAge-specific evaluationPennsylvania Health SystemMassachusetts General HospitalLarge population studiesDifferent age groupsNeutrophilic dermatosisCohort studyInflammatory arthritisPatient demographicsReferral center
2017
Sweet syndrome in patients with and without malignancy: A retrospective analysis of 83 patients from a tertiary academic referral center
Nelson CA, Noe MH, McMahon CM, Gowda A, Wu B, Ashchyan HJ, Perl AE, James WD, Micheletti RG, Rosenbach M. Sweet syndrome in patients with and without malignancy: A retrospective analysis of 83 patients from a tertiary academic referral center. Journal Of The American Academy Of Dermatology 2017, 78: 303-309.e4. PMID: 29107342, DOI: 10.1016/j.jaad.2017.09.013.Peer-Reviewed Original ResearchMeSH KeywordsAcademic Medical CentersAdrenal Cortex HormonesAdultAgedAnemiaArthralgiaColchicineDapsoneFemaleFilgrastimFms-Like Tyrosine Kinase 3Folic Acid AntagonistsHematologic AgentsHumansInflammationLeukemia, Myeloid, AcuteLeukopeniaMaleMiddle AgedMutationNeoplasmsNuclear ProteinsNucleophosminPotassium IodideRetrospective StudiesSweet SyndromeTertiary Care CentersThrombocytopeniaTubulin ModulatorsConceptsTertiary academic referral centerAbsence of arthralgiaDrug-induced formsSweet's syndromeAcademic referral centerReferral centerSingle tertiary academic referral centerSetting of malignancyAcute myeloid leukemiaConcurrent malignancyNeutrophilic dermatosisClinicopathologic characteristicsCommon medicationsCommon malignancyRetrospective studyMyeloid leukemiaRetrospective analysisRare disorderPatientsMalignancySyndromePotential associationArthralgiaLeukopeniaThrombocytopenia