2020
A 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 ResearchConceptsMulticenter 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 immunoglobulin
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