2021
Desmoplastic Trichoepithelioma With Pseudocarcinomatous Hyperplasia: A Folliculosebaceous Neoplasm in Young Persons
Wang MZ, McNiff JM, McCalmont TH, LeBoit PE. Desmoplastic Trichoepithelioma With Pseudocarcinomatous Hyperplasia: A Folliculosebaceous Neoplasm in Young Persons. American Journal Of Dermatopathology 2021, 43: 788-793. PMID: 33899770, DOI: 10.1097/dad.0000000000001922.Peer-Reviewed Original ResearchConceptsDesmoplastic trichoepitheliomaCell carcinomaImmunohistochemical profileMorphoeic basal cell carcinomaSquamous cell carcinomaMicrocystic adnexal carcinomaBasal cell carcinomaFollicular germinative cellsMedian ageBer-EP4Clinical manifestationsAdnexal carcinomaMalignant neoplasmsFibrotic stromaBasaloid cellsEpidermal hyperplasiaPseudocarcinomatous hyperplasiaMerkel cellsSurface epitheliumAccurate diagnosisCarcinomaTrichoepitheliomaGerminative cellsBasal layerHyperplasia
2014
p40 is a more specific marker than p63 for cutaneous poorly differentiated squamous cell carcinoma
Alomari AK, Glusac EJ, McNiff JM. p40 is a more specific marker than p63 for cutaneous poorly differentiated squamous cell carcinoma. Journal Of Cutaneous Pathology 2014, 41: 839-845. PMID: 25263848, DOI: 10.1111/cup.12388.Peer-Reviewed Original ResearchConceptsSquamous cell carcinomaAtypical fibroxanthomaCell carcinomaNon-cutaneous squamous-cell carcinomaNuclear stainingNon-squamous tumorsGiant cell tumorCutaneous leiomyosarcomaExclusive nuclear stainingCell tumorsDiagnostic challengeCytokeratin MNF116Focal stainingMNF116Tumor cytoplasmLeiomyosarcomaDiagnostic accuracyControl casesSoft tissueSpecific markersP40StainingCarcinomaP63Tumors
1999
Immunohistochemical comparison of cutaneous lymphadenoma, trichoblastoma, and basal cell carcinoma: support for classification of lymphadenoma as a variant of trichoblastoma
McNiff J, Eisen R, Glusac E. Immunohistochemical comparison of cutaneous lymphadenoma, trichoblastoma, and basal cell carcinoma: support for classification of lymphadenoma as a variant of trichoblastoma. Journal Of Cutaneous Pathology 1999, 26: 119-124. PMID: 10235376, DOI: 10.1111/j.1600-0560.1999.tb01815.x.Peer-Reviewed Original ResearchConceptsBasal cell carcinomaVariant of trichoblastomaCutaneous lymphadenomaCell carcinomaLangerhans cellsNodular basal cell carcinomaCK20-positive Merkel cellsS100-positive cellsBcl-2CD30-positive cellsCharacteristic immunohistochemical findingsSimilar staining patternLymphoid infiltratesImmunohistochemical findingsStromal stainingTumor groupEpithelial tumorsImmunohistochemical comparisonUncertain histogenesisMerkel cellsTrichoblastomaS100 proteinCD1aLymphadenomaStaining pattern