2020
Discordant anti‐SARS‐CoV‐2 spike protein and RNA staining in cutaneous perniotic lesions suggests endothelial deposition of cleaved spike protein
Ko CJ, Harigopal M, Gehlhausen JR, Bosenberg M, McNiff JM, Damsky W. Discordant anti‐SARS‐CoV‐2 spike protein and RNA staining in cutaneous perniotic lesions suggests endothelial deposition of cleaved spike protein. Journal Of Cutaneous Pathology 2020, 48: 47-52. PMID: 32895985, DOI: 10.1111/cup.13866.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 spike proteinCOVID toesEccrine epitheliumEndothelial cellsSkin biopsiesSpike proteinReverse transcriptase polymerase chain reaction testingSARS-CoV-2 antibodiesPolymerase chain reaction testingSARS-CoV-2 RNAPotential pathogenetic mechanismsPositive immunohistochemical labelingSARS-CoV-2Endothelial depositionPathogenetic mechanismsImmunohistochemical stainingReaction testingImmunohistochemical labelingEccrine glandsRNA ISHImmunohistochemistrySpike RNAGold standardTissue sectionsBiopsyPerniosis during the COVID‐19 pandemic: Negative anti‐SARS‐CoV‐2 immunohistochemistry in six patients and comparison to perniosis before the emergence of SARS‐CoV‐2
Ko CJ, Harigopal M, Damsky W, Gehlhausen JR, Bosenberg M, Patrignelli R, McNiff JM. Perniosis during the COVID‐19 pandemic: Negative anti‐SARS‐CoV‐2 immunohistochemistry in six patients and comparison to perniosis before the emergence of SARS‐CoV‐2. Journal Of Cutaneous Pathology 2020, 47: 997-1002. PMID: 32745281, PMCID: PMC7436569, DOI: 10.1111/cup.13830.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 nucleocapsid proteinPerivascular lymphocytesImmunohistochemical stainingCOVID-19 pandemicSARS-CoV-2 immunohistochemistryNucleocapsid proteinSARS-CoV-2Inflammatory lesionsHistopathologic findingsIntravascular occlusionMicroscopic findingsPerniosisIntravascular materialLymphocytesLesionsPatientsStainingPandemicSuch casesCuffingHistopathologyCasesImmunohistochemistryFindingsProteinDiltiazem-associated Photodistributed Hyperpigmentation.
Siegel J, Ko C. Diltiazem-associated Photodistributed Hyperpigmentation. The Yale Journal Of Biology And Medicine 2020, 93: 45-47. PMID: 32226335, PMCID: PMC7087047.Peer-Reviewed Original Research
2019
Histopathologic findings characteristic of CARD14‐associated papulosquamous eruption
Ring NG, Craiglow BG, Panse G, Antaya RJ, Ashack K, Ashack R, Faith EF, Paller AS, McNiff JM, Choate KA, Ko CJ. Histopathologic findings characteristic of CARD14‐associated papulosquamous eruption. Journal Of Cutaneous Pathology 2019, 47: 425-430. PMID: 31849081, DOI: 10.1111/cup.13633.Peer-Reviewed Original ResearchConceptsPityriasis rubra pilarisPapulosquamous eruptionHistopathologic featuresPlaque psoriasisAdult patientsFollicular pluggingClinicopathologic findingsLesional skinRetrospective studyPatientsCARD14PilarisPathogenic mutationsDermal papillaPsoriasisRange of findingsHistopathologicAcanthosisAcantholysisOrthokeratosisParakeratosisFindings
2016
Keratoacanthoma Shares Driver Mutations with Cutaneous Squamous Cell Carcinoma
Lim YH, Fisher JM, Bosenberg MW, Choate KA, Ko CJ. Keratoacanthoma Shares Driver Mutations with Cutaneous Squamous Cell Carcinoma. Journal Of Investigative Dermatology 2016, 136: 1737-1741. PMID: 27283355, DOI: 10.1016/j.jid.2016.04.002.Peer-Reviewed Original Research
2013
Cutaneous squamous cell carcinomas of the lower extremity: A distinct subset of squamous cell carcinomas
Kim C, Ko CJ, Leffell DJ. Cutaneous squamous cell carcinomas of the lower extremity: A distinct subset of squamous cell carcinomas. Journal Of The American Academy Of Dermatology 2013, 70: 70-74. PMID: 24210370, DOI: 10.1016/j.jaad.2013.09.026.Peer-Reviewed Original ResearchConceptsCutaneous squamous cell carcinomaSquamous cell carcinomaLower extremitiesCell carcinomaClinical featuresIncidence of SCCPrevalence of SCCDistinct subsetsDistinctive clinical featuresNumber of patientsBasal cell carcinomaClinical outcomesSquamous cellsBiologic behaviorSame patientGeneral populationPatientsCarcinomaStudy periodAdditional studiesDefinitive conclusionsIncidenceExtremitiesOutcomesTreatment