2022
Segmental basaloid follicular hamartomas derive from a post‐zygotic SMO p.L412F pathogenic variant and express hair follicle development‐related proteins in a pattern that distinguish them from basal cell carcinomas
Atzmony L, Ugwu N, Bercovitch LG, Robinson‐Bostom L, Ko CJ, Myung P, Choate KA. Segmental basaloid follicular hamartomas derive from a post‐zygotic SMO p.L412F pathogenic variant and express hair follicle development‐related proteins in a pattern that distinguish them from basal cell carcinomas. American Journal Of Medical Genetics Part A 2022, 188: 3525-3530. PMID: 35972041, PMCID: PMC9669121, DOI: 10.1002/ajmg.a.62951.Peer-Reviewed Original ResearchMeSH KeywordsCarcinoma, Basal CellHair FollicleHamartomaHedgehog ProteinsHumansSkin DiseasesSkin NeoplasmsSmoothened ReceptorConceptsBasal cell carcinomaCell carcinomaFollicular hamartomaProliferation indexBasaloid skin tumorsSporadic basal cell carcinomasBasaloid follicular hamartomaKi-67 expressionLow proliferation indexCentral nervous systemWhole-exome sequencingSystemic involvementExpression of hedgehogMultiple lesionsSkin tumorsWnt/beta-catenin pathwayBasaloid lesionsNervous systemVariable involvementPathogenic variantsSegmental distributionPost-zygotic mutational eventSOX-9 expressionNormal tissuesExome sequencing
2019
Multinucleate cell angiohistiocytoma: A clinicopathologic study of 62 cases and proposed diagnostic criteria
Roy SF, Dong D, Myung P, McNiff JM. Multinucleate cell angiohistiocytoma: A clinicopathologic study of 62 cases and proposed diagnostic criteria. Journal Of Cutaneous Pathology 2019, 46: 563-569. PMID: 30927287, DOI: 10.1111/cup.13463.Peer-Reviewed Original ResearchConceptsMultinucleate cell angiohistiocytomaFollicular inductionDiagnostic criteriaPapillary dermal vesselsMononuclear inflammatory infiltrateHistologic diagnostic criteriaLarge case seriesSpecific histologic criteriaWnt/ß-cateninClinicopathologic studyPerifollicular fibrosisCase seriesHistopathologic evidenceInflammatory infiltrateUnderdiagnosed entityFibrohistiocytic originInflamed lesionsHistologic criteriaDermal vesselsHistopathologic entityDermatopathology laboratoryDermatofibromaß-cateninPossible alterationsFibrosis
2018
Hedgehog stimulates hair follicle neogenesis by creating inductive dermis during murine skin wound healing
Lim CH, Sun Q, Ratti K, Lee SH, Zheng Y, Takeo M, Lee W, Rabbani P, Plikus MV, Cain JE, Wang DH, Watkins DN, Millar S, Taketo MM, Myung P, Cotsarelis G, Ito M. Hedgehog stimulates hair follicle neogenesis by creating inductive dermis during murine skin wound healing. Nature Communications 2018, 9: 4903. PMID: 30464171, PMCID: PMC6249328, DOI: 10.1038/s41467-018-07142-9.Peer-Reviewed Original ResearchConceptsSonic hedgehog pathwayMechanisms of scarringHair follicle neogenesisHF neogenesisFibrotic repairScarring woundsMurine skinShh overexpressionWound repairHair follicle regenerationWound healingFollicle neogenesisHedgehog pathwayDermal papillaWnt activationFibrosisWoundsScarringHealingSignal activationNeogenesisActivation resultsMammalian woundsActivationFollicle regeneration