2017
Emerging concepts and recent advances in basal cell carcinoma
Totonchy M, Leffell D. Emerging concepts and recent advances in basal cell carcinoma. F1000Research 2017, 6: 2085. PMID: 29259776, PMCID: PMC5717469, DOI: 10.12688/f1000research.11314.1.Peer-Reviewed Original ResearchBasal cell carcinomaTreatment of BCCCell carcinomaIncidence of BCCNon-keratinizing cellsHigh cure ratesNon-surgical interventionsNon-surgical approachStandard of careMohs micrographic surgeryTargeted molecular therapiesRecurrent diseaseSurgical excisionCommon malignancySurgical interventionCure rateMicrographic surgeryMolecular therapyCarcinomaBasal layerTreatmentBurden of managementInterventionMorbiditySurgeryPredictors of tanning dependence in white non‐Hispanic females and males
Cartmel B, Bale AE, Mayne ST, Gelernter JE, DeWan AT, Spain P, Leffell DJ, Pagoto S, Ferrucci LM. Predictors of tanning dependence in white non‐Hispanic females and males. Journal Of The European Academy Of Dermatology And Venereology 2017, 31: 1223-1228. PMID: 28129487, PMCID: PMC5522341, DOI: 10.1111/jdv.14138.Peer-Reviewed Original ResearchConceptsEarly-onset basal cell carcinomaCase-control studyBasal cell carcinomaWhite non-Hispanic femalesSymptoms of dependenceCell carcinomaNon-Hispanic femalesAlcohol dependenceMental disordersAppropriate interventionsHost factorsNon-HispanicsStatistical ManualMultivariate modelIndoor tanningSignificant predictorsOnline surveyFourth EditionPredictorsEuropean ancestryQuestionnaireEye openerEye colorParticipantsCarcinoma
2016
Histopathologic 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 ResearchConceptsSquamous 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 follicleSCCISSurgeryCarcinomaInvasion
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
2010
Squamoid Eccrine Ductal Carcinoma: A Case Report and Review of the Literature
Terushkin E, Leffell DJ, Futoryan T, Cowper S, Lazova R. Squamoid Eccrine Ductal Carcinoma: A Case Report and Review of the Literature. American Journal Of Dermatopathology 2010, 32: 287-292. PMID: 20010402, DOI: 10.1097/dad.0b013e3181b623c4.Peer-Reviewed Case Reports and Technical NotesConceptsDuctal carcinomaShave biopsyEccrine ductal carcinomaInitial shave biopsySuperficial shave biopsiesMohs micrographic surgeryRare adnexal tumorTreatment guidelinesCase reportDiagnostic challengeMicrographic surgeryBiologic behaviorComplete excisionAdnexal tumorsImmunohistochemical approachBiopsyCarcinomaRare variantsTumorsDiagnostic purposesPatientsSurgeryNeoplasmsExcisionCancer
2009
Adenosquamous carcinoma: a report of nine cases with p63 and cytokeratin 5/6 staining
Ko CJ, Leffell DJ, McNiff JM. Adenosquamous carcinoma: a report of nine cases with p63 and cytokeratin 5/6 staining. Journal Of Cutaneous Pathology 2009, 36: 448-452. PMID: 19278431, DOI: 10.1111/j.1600-0560.2008.01083.x.Peer-Reviewed Original ResearchConceptsCytokeratin 5/6Adenosquamous carcinomaPrimary cutaneous originSubset of casesCutaneous originMetastatic adenocarcinomaAppropriate therapyRare tumorGlandular differentiationCytokeratin 7Such tumorsDiffuse positivityLuminal areaTumorsCarcinomaAggressive behaviorP63StainClose associationAdenocarcinomaTherapyLesionsCasesPositivity
2005
Mohs micrographic surgery: established uses and emerging trends.
Pennington BE, Leffell DJ. Mohs micrographic surgery: established uses and emerging trends. Oncology 2005, 19: 1165-71; discussion 1171-2, 1175. PMID: 16255133.Peer-Reviewed Original ResearchConceptsSquamous cell carcinomaBasal cell carcinomaMohs micrographic surgeryCell carcinomaMicrographic surgeryCommon cutaneous neoplasmsConventional surgical excisionExtramammary Paget's diseaseMicrocystic adnexal carcinomaMerkel cell carcinomaCutaneous neoplasmsPaget's diseaseResidual tumorSurgical excisionAdnexal carcinomaCommon cancerCutaneous tumorsSurgical techniqueDermatofibrosarcoma protuberansCarcinomaDeep marginTissue conservationSurgeryTumorsDisease
2002
Human Cadaveric Allograft for Repair of Nasal Defects After Extirpation of Basal Cell Carcinoma by Mohs Micrographic Surgery
CARUCCI J, KOLENIK S, LEFFELL D. Human Cadaveric Allograft for Repair of Nasal Defects After Extirpation of Basal Cell Carcinoma by Mohs Micrographic Surgery. Dermatologic Surgery 2002, 28: 340-343. DOI: 10.1097/00042728-200204000-00008.Peer-Reviewed Original ResearchHuman cadaveric allograftMohs micrographic surgeryBasal cell carcinomaCadaveric allograftsCell carcinomaMicrographic surgeryHealing timeSkin cancerInfiltrative basal cell carcinomaNasal defectsAverage healing timeWound infectionHypergranulation tissueCancer histologyImmediate reconstructionResults FiveMedical statusPatientsExtensive proceduresUseful alternativeAllograftsSurgeryCarcinomaCosmesisCancerHuman Cadaveric Allograft for Repair of Nasal Defects After Extirpation of Basal Cell Carcinoma by Mohs Micrographic Surgery
Carucci JA, Kolenik SA, Leffell DJ. Human Cadaveric Allograft for Repair of Nasal Defects After Extirpation of Basal Cell Carcinoma by Mohs Micrographic Surgery. Dermatologic Surgery 2002, 28: 340-343. PMID: 11966793, DOI: 10.1046/j.1524-4725.2002.01143.x.Peer-Reviewed Original ResearchConceptsHuman cadaveric allograftMohs micrographic surgeryBasal cell carcinomaCadaveric allograftsCell carcinomaMicrographic surgeryHealing timeSkin cancerInfiltrative basal cell carcinomaNasal defectsAverage healing timeWound infectionHypergranulation tissueCancer histologyImmediate reconstructionMedical statusPatientsExtensive proceduresUseful alternativeAllograftsSurgeryCarcinomaCosmesisCancerDefect size
1999
Status of residual tumor in patients with squamous cell carcinoma referred for Mohs micrographic surgery.
McGovern T, Grossman D, Fitzgerald D, Glusac E, Leffell D. Status of residual tumor in patients with squamous cell carcinoma referred for Mohs micrographic surgery. JAMA Dermatology 1999, 135: 1557-9. PMID: 10606080, DOI: 10.1001/archderm.135.12.1557.Peer-Reviewed Original Research
1993
Mutation hotspots due to sunlight in the p53 gene of nonmelanoma skin cancers.
Ziegler A, Leffell DJ, Kunala S, Sharma HW, Gailani M, Simon JA, Halperin AJ, Baden HP, Shapiro PE, Bale AE. Mutation hotspots due to sunlight in the p53 gene of nonmelanoma skin cancers. Proceedings Of The National Academy Of Sciences Of The United States Of America 1993, 90: 4216-4220. PMID: 8483937, PMCID: PMC46477, DOI: 10.1073/pnas.90.9.4216.Peer-Reviewed Original ResearchConceptsBasal cell carcinomaCell carcinomaSkin cancerPercent of tumorsSquamous cell carcinomaNonmelanoma skin cancerP53 tumor suppressor geneDipyrimidine sitesBCC developmentMutation hotspotsCancerTumor suppressor geneP53 genePoint mutationsAllelic lossCarcinomaTwo-thirdsSuppressor geneGenetic eventsSkinP53Such mutationsMutationsCarcinogenic mutationsTumors
1992
Developmental defects in gorlin syndrome related to a putative tumor suppressor gene on chromosome 9
Gailani M, Bale S, Leffell D, DiGiovanna J, Peck G, Poliak S, Drum M, Pastakia B, McBride O, Kase R, Greene M, Mulvihill J, Bale A. Developmental defects in gorlin syndrome related to a putative tumor suppressor gene on chromosome 9. Cell 1992, 69: 111-117. PMID: 1348213, DOI: 10.1016/0092-8674(92)90122-s.Peer-Reviewed Original ResearchConceptsBasal cell carcinomaSporadic basal cell carcinomasCell carcinomaLoss of heterozygosityGorlin syndromeHereditary tumorsTumor suppressor geneHereditary basal cell carcinomasMultiple congenital anomaliesSuppressor geneAutosomal dominant disorderOvarian fibromaCongenital anomaliesCarcinomaGermline mutationsHereditary disorderPutative tumor suppressor geneDevelopmental defectsSyndromeGorlin syndrome geneDominant disorderAllelic lossGenetic linkage studiesTumorsTumor suppressor
1991
Aggressive-Growth Basal Cell Carcinoma in Young Adults
Leffell DJ, Headington JT, Wong DS, Swanson NA. Aggressive-Growth Basal Cell Carcinoma in Young Adults. JAMA Dermatology 1991, 127: 1663-1667. PMID: 1952969, DOI: 10.1001/archderm.1991.01680100063005.Peer-Reviewed Original ResearchConceptsAggressive-growth basal cell carcinomaYears of ageBasal cell carcinomaOlder age groupsCell carcinomaGreater long-term morbidityAge groupsLong-term morbidityBasal cell cancerRecurrent BCCCell cancerPathologic findingsRetrospective studyTypes of BCCMohs surgeryClinical observationsPatientsInadequate treatmentYoung adultsAgeCarcinomaWomenMenGroupYears