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 ResearchCutaneous 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
Squamous 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 ResearchConceptsSquamous 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
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
1999
Use of a Lyophilized Bovine Collagen Matrix in Postoperative Wound Healing
Kolenik S, McGovern T, Leffell D. Use of a Lyophilized Bovine Collagen Matrix in Postoperative Wound Healing. Dermatologic Surgery 1999, 25: 303-307. PMID: 10417587, DOI: 10.1046/j.1524-4725.1999.08230.x.Peer-Reviewed Original ResearchConceptsMohs micrographic surgeryBovine collagen matrixMicrographic surgeryWound careControl groupWound healingMinority of patientsPostoperative wound healingSecond intention healingCollagen matrixManagement of defectsWound infectionDressing changesAdverse reactionsImmediate reconstructionAllergic reactionsComplete healingAnatomic sitesRapid wound healingSurgical defectsStudy woundsLarger studySecond intentionBiological dressingSurgery