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 rate
2018
Cutaneous immunohistochemical staining pattern of p53β isoforms
Ko CJ, Myung P, Leffell DJ, Bourdon JC. Cutaneous immunohistochemical staining pattern of p53β isoforms. Journal Of Clinical Pathology 2018, 71: 1120. PMID: 30305316, DOI: 10.1136/jclinpath-2018-205098.Peer-Reviewed Original ResearchConceptsSquamous tumorsMarkers of differentiationSquamous proliferationIsoforms of p53Mutational statusHair folliclesP53 pathwayDomain mutationsExact biological significanceP53Differentiated layersSkinP53 isoformsSuch mutationsIsoformsDifferent isoformsNumerous functionsTumorsCancerMutationsFolliclesBiological significance
2017
Well‐differentiated neuroendocrine tumors in skin: Terminology and diagnostic utility of cytokeratin 5/6 and p63
Panse G, Cowper SE, Leffell DJ, Pulitzer M, Ko CJ. Well‐differentiated neuroendocrine tumors in skin: Terminology and diagnostic utility of cytokeratin 5/6 and p63. Journal Of Cutaneous Pathology 2017, 44: 557-562. PMID: 28417484, DOI: 10.1111/cup.12952.Peer-Reviewed Original ResearchConceptsCutaneous adnexal neoplasmsAdnexal neoplasmsNeuroendocrine tumorsAdnexal tumorsBenign skin adnexal tumorCutaneous adnexal tumorsAggressive metastatic diseaseLow-grade tumorsSkin adnexal tumorsMajority of casesMetastatic diseaseMetastatic adenocarcinomaCarcinoid tumorsCytokeratin 5/6Diagnostic challengeDifferential diagnosisImmunohistochemical stainsCK5/6Diagnostic utilityPrimary siteTumorsNeoplasmsFirst signWDNETsP63
2015
Melanoma 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 Outcome
2014
Mesenchymal stromal cells form vascular tubes when placed in fibrin sealant and accelerate wound healing in vivo
Mendez JJ, Ghaedi M, Sivarapatna A, Dimitrievska S, Shao Z, Osuji CO, Steinbacher DM, Leffell DJ, Niklason LE. Mesenchymal stromal cells form vascular tubes when placed in fibrin sealant and accelerate wound healing in vivo. Biomaterials 2014, 40: 61-71. PMID: 25433608, PMCID: PMC4268422, DOI: 10.1016/j.biomaterials.2014.11.011.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnimalsBiomarkersCollagenDisease Models, AnimalEnzyme-Linked Immunosorbent AssayFemaleFibrin Tissue AdhesiveFibroblast Growth Factor 2Flow CytometryHumansImmunohistochemistryMaleMesenchymal Stem CellsMice, Inbred C57BLMiddle AgedNeovascularization, PhysiologicReal-Time Polymerase Chain ReactionRheologySubcutaneous TissueWound HealingConceptsAdipose-derived mesenchymal stromal cellsMesenchymal stromal cellsGranulation tissueStromal cellsPericyte marker NG2VE-cadherinWound healingPublic health problemMarkers of endotheliumDays of healingSubcutaneous injectionPresence of bFGFFibrin gelAmount of bFGFHAT-MSCsFibrin sealantWound sizeHealth problemsChronic woundsConfocal imaging analysisInsufficient angiogenesis
2005
Primary cutaneous carcinosarcoma arising in a patient with nevoid basal cell carcinoma syndrome
Bhattacharjee P, Leffell D, McNiff JM. Primary cutaneous carcinosarcoma arising in a patient with nevoid basal cell carcinoma syndrome. Journal Of Cutaneous Pathology 2005, 32: 638-641. PMID: 16176303, DOI: 10.1111/j.0303-6987.2005.00384.x.Peer-Reviewed Original Research
2002
Histopathologic misdiagnoses and their clinical consequences.
Olhoffer IH, Lazova R, Leffell DJ. Histopathologic misdiagnoses and their clinical consequences. JAMA Dermatology 2002, 138: 1381-3. PMID: 12374557, DOI: 10.1001/archderm.138.10.1381.Peer-Reviewed Original Research