2024
Developing expert consensus for the use of hedgehog inhibitors in basal cell nevus syndrome
Lukowiak T, Cahn B, Samie F, Leffell D, Oro A, Kibbi N, Kheterpal M, Babakoohi S, Khushalani N, Stephenson A, Ma M, Shi V, Ahmed A, Koza E, Haq M, Yi M, Nadir U, Yoo S, Brieva J, Lucas J, Haber R, Alam M. Developing expert consensus for the use of hedgehog inhibitors in basal cell nevus syndrome. Archives Of Dermatological Research 2024, 316: 453. PMID: 38967654, DOI: 10.1007/s00403-024-03157-z.Peer-Reviewed Original Research
2022
Artificial intelligence in the detection of skin cancer
Beltrami E, Brown A, Salmon P, Leffell D, Ko J, Grant-Kels J. Artificial intelligence in the detection of skin cancer. Journal Of The American Academy Of Dermatology 2022, 87: 1336-1342. PMID: 35998842, DOI: 10.1016/j.jaad.2022.08.028.Peer-Reviewed Original ResearchConceptsArtificial intelligenceReduce health care costsSkin cancerHealth care costsImprove quality of lifeReducing physician concernsLimitations of AIQuality of lifeReducing unnecessary proceduresManagement of skin cancerDetection of skin cancerAI capabilitiesSkin cancer detectionPatient careSkin assessmentCare costsPhysician concernsAI technologyImprove qualityPromote greater accessUnnecessary proceduresClinical settingFundamental terminologyCancerCancer detection
2020
Predicting outcomes following second intent healing of periocular surgical defects
Kibbi N, Khan Y, Leffell DJ, Christensen SR, Suozzi KC. Predicting outcomes following second intent healing of periocular surgical defects. Archives Of Dermatological Research 2020, 313: 483-489. PMID: 32833078, DOI: 10.1007/s00403-020-02122-w.Peer-Reviewed Original ResearchConceptsMohs micrographic surgeryMedial canthusSingle academic surgical centerAcademic surgical centerConclusionsThis retrospective studyMedial canthal lesionAverage defect diameterMethodsRetrospective analysisTumor characteristicsPeriocular tumorsRetrospective studyPoor outcomePeriocular lesionsSurgical centersMicrographic surgeryWorse outcomesAnatomic locationAimThe purposeScar outcomeLarge lesionsUpper eyelidEyelid marginLid marginSurgical defectsLower eyelidMelanoma in situ: Don't make the cure worse than the disease
Prassinos A, Glusac E, Leffell DJ. Melanoma in situ: Don't make the cure worse than the disease. Journal Of The American Academy Of Dermatology 2020, 85: 520. PMID: 32387662, DOI: 10.1016/j.jaad.2020.04.168.Peer-Reviewed Original Research
2019
Photodynamic therapy for cutaneous squamous cell carcinoma in situ: Impact of anatomic location, tumor diameter, and incubation time on effectiveness
Kibbi N, Zhang Y, Leffell DJ, Christensen SR. Photodynamic therapy for cutaneous squamous cell carcinoma in situ: Impact of anatomic location, tumor diameter, and incubation time on effectiveness. Journal Of The American Academy Of Dermatology 2019, 82: 1124-1130. PMID: 31712171, DOI: 10.1016/j.jaad.2019.10.079.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAminolevulinic AcidAnalysis of VarianceBiopsy, NeedleCarcinoma in SituCarcinoma, Squamous CellCohort StudiesDisease-Free SurvivalFemaleHumansImmunohistochemistryLogistic ModelsMaleMiddle AgedMultivariate AnalysisNeoplasm InvasivenessNeoplasm StagingPhotochemotherapyPrognosisRetrospective StudiesSkin NeoplasmsSurvival AnalysisTreatment OutcomeTumor BurdenConceptsCutaneous squamous cell carcinomaALA incubation timeSquamous cell carcinomaTumor diameterALA-PDTSubsequent recurrenceCell carcinomaAnatomic locationInitial complete response ratePhotodynamic therapyCases of SCCISMultivariate analysis factorsComplete response rateMedical record reviewEffectiveness of PDTPatient demographicsClinical responseMedian timeRetrospective reviewRecord reviewRetrospective studyTreatment detailsSingle institutionEffective treatmentResponse rateOptical Spectroscopy as a Method for Skin Cancer Risk Assessment
Rodriguez‐Diaz E, Manolakos D, Christman H, Bonning MA, Geisse JK, A'Amar OM, Leffell DJ, Bigio IJ. Optical Spectroscopy as a Method for Skin Cancer Risk Assessment. Photochemistry And Photobiology 2019, 95: 1441-1445. PMID: 31287160, DOI: 10.1111/php.13140.Peer-Reviewed Original Research
2018
Hypertrophic Lichen Planus and Well-Differentiated Squamous Cell Carcinoma
Totonchy MB, Leventhal JS, Ko CJ, Leffell DJ. Hypertrophic Lichen Planus and Well-Differentiated Squamous Cell Carcinoma. Dermatologic Surgery 2018, 44: 1466-1470. PMID: 29360655, DOI: 10.1097/dss.0000000000001465.Peer-Reviewed Original Research
2017
Cross-sectional assessment of ultraviolet radiation–related behaviors among young people after a diagnosis of melanoma or basal cell carcinoma
Ferrucci LM, Cartmel B, Clare RA, Choy CC, Kershaw T, Leffell DJ, Mayne ST. Cross-sectional assessment of ultraviolet radiation–related behaviors among young people after a diagnosis of melanoma or basal cell carcinoma. Journal Of The American Academy Of Dermatology 2017, 79: 149-152. PMID: 29291957, PMCID: PMC6004335, DOI: 10.1016/j.jaad.2017.12.056.Peer-Reviewed Original ResearchSquamous proliferations on the legs of women: Qualitative examination of histopathology, TP53 sequencing, and implications for diagnosis in a series of 30 cases
Ko CJ, Glusac EJ, McNiff JM, Rodic N, Leffell DJ. Squamous proliferations on the legs of women: Qualitative examination of histopathology, TP53 sequencing, and implications for diagnosis in a series of 30 cases. Journal Of The American Academy Of Dermatology 2017, 77: 1126-1132.e1. PMID: 28709693, DOI: 10.1016/j.jaad.2017.04.1119.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBase SequenceCarcinoma, Squamous CellFemaleGenes, p53HumansKeratoacanthomaLegSkin NeoplasmsConceptsSquamous cell carcinomaProminent cytologic atypiaMultiple squamous cell carcinomasCytologic atypiaSquamous proliferationTP53 mutationsDetectable TP53 mutationsLegs of womenFollicle-like structuresCell carcinomaHistopathologic findingsMultiple lesionsSCC lesionsHistopathologic analysisTP53 sequencingNumerous tumorsSmall seriesTP53 variantsClinical phenotypeKeratoacanthomaLesionsTumorsDifferent patientsAtypiaReactive phenomenon
2016
Body mass index, height and early-onset basal cell carcinoma in a case-control study
Zhang Y, Cartmel B, Choy CC, Molinaro AM, Leffell DJ, Bale AE, Mayne ST, Ferrucci LM. Body mass index, height and early-onset basal cell carcinoma in a case-control study. Cancer Epidemiology 2016, 46: 66-72. PMID: 28039770, PMCID: PMC5272867, DOI: 10.1016/j.canep.2016.12.007.Peer-Reviewed Original ResearchConceptsEarly-onset basal cell carcinomaBody mass indexBasal cell carcinomaMass indexCell carcinomaInverse associationOdds ratioAdult heightUnconditional logistic regression modelsAdult body mass indexBenign skin conditionsMultivariate odds ratiosSimilar inverse associationsConfidence intervalsCase-control studySignificant inverse associationLogistic regression modelsUltraviolet radiation exposurePrior UV exposureCommon malignancyControl subjectsUV exposureBiopsy siteMedical characteristicsSkin conditionsHistopathologic features of multiple cutaneous squamous cell carcinomas of the lower extremity
Munday WR, Leffell DJ, McNiff JM, Ko CJ. Histopathologic features of multiple cutaneous squamous cell carcinomas of the lower extremity. Journal Of Cutaneous Pathology 2016, 43: 759-765. PMID: 27220356, DOI: 10.1111/cup.12738.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCarcinoma, Squamous CellFemaleHumansLegMaleMiddle AgedNeoplasms, Multiple PrimarySkin NeoplasmsConceptsSquamous cell carcinomaMultiple squamous cell carcinomasCutaneous squamous cell carcinomaHistopathologic featuresCell carcinomaLower extremitiesMultiple cutaneous squamous cell carcinomasRetrospective chart reviewAmerican Joint CommitteeCancer staging criteriaDistinct clinical subtypesChart reviewPerineural invasionActinic keratosisStaging criteriaClinical subtypesMost lesionsStage IJoint CommitteeStage IIKeratoacanthomaPatientsCarcinomaTumorsSubtypes
2015
Histopathologic assessment of depth of follicular invasion of squamous cell carcinoma (SCC) in situ (SCCis): Implications for treatment approach
Christensen SR, McNiff JM, Cool AJ, Aasi SZ, Hanlon AM, Leffell DJ. Histopathologic assessment of depth of follicular invasion of squamous cell carcinoma (SCC) in situ (SCCis): Implications for treatment approach. Journal Of The American Academy Of Dermatology 2015, 74: 356-362. PMID: 26670714, DOI: 10.1016/j.jaad.2015.09.060.Peer-Reviewed Original ResearchConceptsSquamous cell carcinomaHair follicle infundibulumFollicular invasionCell carcinomaMohs micrographic surgeryHair follicle epitheliumAdditional patientsIntraoperative pathologyOptimal therapyRetrospective reviewTreatment failureProspective evaluationSingle institutionHistopathologic assessmentMicrographic surgeryMost tumorsDeep invasionTreatment approachesPathology specimensFollicle epitheliumLower follicleSCCISSurgeryCarcinomaInvasionFamily history of skin cancer is associated with early-onset basal cell carcinoma independent of MC1R genotype
Berlin NL, Cartmel B, Leffell DJ, Bale AE, Mayne ST, Ferrucci LM. Family history of skin cancer is associated with early-onset basal cell carcinoma independent of MC1R genotype. Cancer Epidemiology 2015, 39: 1078-1083. PMID: 26381319, PMCID: PMC4679454, DOI: 10.1016/j.canep.2015.09.005.Peer-Reviewed Original ResearchConceptsEarly-onset basal cell carcinomaBasal cell carcinomaFamily historySkin cancerAge of onsetLifestyle factorsBenign skin conditionsStrong risk factorFirst-degree relativesMC1R genotypeCell carcinomaRisk factorsAge 40High riskLifestyle characteristicsAge 50Particular malignancySkin conditionsBCC casesCancerGenetic susceptibilitySaliva samplesMultivariate modelIndividual riskAffected relativesMelanoma in situ Part I. Epidemiology, screening, and clinical features
Higgins HW, Lee KC, Galan A, Leffell DJ. Melanoma in situ Part I. Epidemiology, screening, and clinical features. Journal Of The American Academy Of Dermatology 2015, 73: 181-190. PMID: 26183967, DOI: 10.1016/j.jaad.2015.04.014.Peer-Reviewed Original ResearchConceptsClinical featuresPart I. EpidemiologyReview of melanomaUnderstanding of melanomaIncidence of melanomaMedical education articleI. EpidemiologyClinical outcomesTreatment optionsClinical managementRisk factorsMalignant melanomaBiologic behaviorClinical studiesMelanomaEpidemiologyIncidenceHigh percentageEducation articlesHistopathologyPathologyMelanoma in situ Part II. Histopathology, treatment, and clinical management
Higgins HW, Lee KC, Galan A, Leffell DJ. Melanoma in situ Part II. Histopathology, treatment, and clinical management. Journal Of The American Academy Of Dermatology 2015, 73: 193-203. PMID: 26183968, DOI: 10.1016/j.jaad.2015.03.057.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, TopicalAminoquinolinesBiopsy, NeedleCarcinoma in SituFemaleHumansImiquimodImmunohistochemistryImmunotherapyInjections, IntralesionalInterferon-alphaLaser TherapyMaleMelanomaMohs SurgeryNeoplasm InvasivenessNeoplasm StagingPrognosisRandomized Controlled Trials as TopicSkin NeoplasmsTreatment OutcomeSubsequent skin cancer in patients with early‐onset basal cell carcinoma
Berlin NL, Ferrucci LM, Cartmel B, Wang SY, Leffell DJ, McNiff JM, Mayne ST. Subsequent skin cancer in patients with early‐onset basal cell carcinoma. Australasian Journal Of Dermatology 2015, 56: 236-237. PMID: 26201376, DOI: 10.1111/ajd.12338.Peer-Reviewed Original ResearchIndoor Tanning and the MC1R Genotype: Risk Prediction for Basal Cell Carcinoma Risk in Young People
Molinaro AM, Ferrucci LM, Cartmel B, Loftfield E, Leffell DJ, Bale AE, Mayne ST. Indoor Tanning and the MC1R Genotype: Risk Prediction for Basal Cell Carcinoma Risk in Young People. American Journal Of Epidemiology 2015, 181: 908-916. PMID: 25858289, PMCID: PMC4445390, DOI: 10.1093/aje/kwu356.Peer-Reviewed Original ResearchConceptsRisk prediction modelCancer risk prediction modelsIndoor tanningBasal cell carcinoma incidenceBasal cell carcinoma riskNovel risk prediction modelRisk of BCCRisk predictionCase-control studyNon-Hispanic whitesLogistic regression modelsCancer risk predictionSignificant morbidityCarcinoma incidenceAdjusted areaCarcinoma riskIndependent cohortYoung individualsTreatment costsMC1R variantsYoung peopleReceptor geneCharacteristic curveA Strategy for the Successful Management of Dermatofibrosarcoma Protuberans
Goldberg C, Hoang D, McRae M, Chung C, Leffell DJ, Narayan D. A Strategy for the Successful Management of Dermatofibrosarcoma Protuberans. Annals Of Plastic Surgery 2015, 74: 80-84. PMID: 23788146, DOI: 10.1097/sap.0b013e3182898692.Peer-Reviewed Original ResearchConceptsSurgical excisionPositive marginsDermatofibrosarcoma protuberansMohs surgeryNational Comprehensive Cancer Network guidelinesDisease recurrence/persistenceMargin sizeClear histological marginsComplications of reconstructionInitial surgical resectionRecurrence/persistenceTraditional surgical excisionSoft tissue sarcomasMethod of treatmentExcision patientsHistological marginsSurgery groupSubclinical involvementSurgical resectionMargin statusDistant metastasisNetwork guidelinesTissue sarcomasClinical variablesTumor resection
2014
Alcohol intake and early‐onset basal cell carcinoma in a case–control study
Zhang Y, Ferrucci LM, Cartmel B, Molinaro AM, Leffell DJ, Bale AE, Mayne ST. Alcohol intake and early‐onset basal cell carcinoma in a case–control study. British Journal Of Dermatology 2014, 171: 1451-1457. PMID: 25059635, PMCID: PMC4272627, DOI: 10.1111/bjd.13291.Peer-Reviewed Original ResearchConceptsEarly-onset basal cell carcinomaBasal cell carcinomaLifetime alcohol intakeAlcohol intakeCell carcinomaOdds ratioEpidemiological studiesConfidence intervalsBasal cell carcinoma casesUnconditional multivariate logistic regressionBenign skin conditionsMultivariate logistic regressionOverall alcohol intakeCase-control studyPrevious epidemiological studiesYears of ageType of beverageCarcinoma casesUV exposureHigh riskSkin conditionsSignificant associationLogistic regressionRisk estimatesIntakeNovel gene identified in an exome‐wide association study of tanning dependence
Cartmel B, Dewan A, Ferrucci LM, Gelernter J, Stapleton J, Leffell DJ, Mayne ST, Bale AE. Novel gene identified in an exome‐wide association study of tanning dependence. Experimental Dermatology 2014, 23: 757-759. PMID: 25041255, PMCID: PMC4204712, DOI: 10.1111/exd.12503.Peer-Reviewed Original Research