2021
Leukocytoclastic Vasculitis and Microvascular Occlusion Key Concepts for the Working Pathologist
Ko CJ, Gehlhausen JR, McNiff JM. Leukocytoclastic Vasculitis and Microvascular Occlusion Key Concepts for the Working Pathologist. Surgical Pathology Clinics 2021, 14: 309-325. PMID: 34023108, DOI: 10.1016/j.path.2021.01.006.Peer-Reviewed Original ResearchConceptsLeukocytoclastic vasculitisMicrovascular occlusionSmall vessel leukocytoclastic vasculitisMedium-sized vesselsSame differential diagnosisBiopsy findingsDermal involvementSystemic diseaseCertain infectionsDifferential diagnosisVasculitisDepth of involvementClinical diagnosisOcclusionDiagnosisVessel sizeInvolvementVesselsSize of vesselsCalciphylaxis
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 vessels