Nelson Ugwu, MD
Assistant ProfessorAbout
Research
Publications
2026
De Novo Germline L858R EGFR Variants and Generalized Acanthosis Nigricans
Jiang X, Jeng M, Yang Z, Ugwu N, Cheng Y, Echeandia-Francis C, Mortlock R, Mani M, Rekhtman N, Podolanczuk A, Fiorino E, Plodkowski A, Lekwuttikarn R, Teng J, Walsh M, Yu H, Lin Z, Choate K. De Novo Germline L858R EGFR Variants and Generalized Acanthosis Nigricans. JAMA Dermatology 2026, 162: 236-244. PMID: 41533385, PMCID: PMC12805494, DOI: 10.1001/jamadermatol.2025.5414.Peer-Reviewed Original Research
2025
Ablative Fractional Lasers Versus Needle-Based Devices for Poly-l-Lactic Acid Delivery: An Optical Coherence Tomography and Histology Study
Suwan P, Ahn G, Manstein D, Ugwu N, Chung H. Ablative Fractional Lasers Versus Needle-Based Devices for Poly-l-Lactic Acid Delivery: An Optical Coherence Tomography and Histology Study. Dermatologic Surgery 2025, 51: 766-772. PMID: 40172072, DOI: 10.1097/dss.0000000000004631.Peer-Reviewed Original Research
2024
High-grade sarcoma arising within a cellular dermatofibroma
Ugwu N, Ran N, Fischer G, Waldman A. High-grade sarcoma arising within a cellular dermatofibroma. JAAD Case Reports 2024, 56: 1-4. PMID: 39839464, PMCID: PMC11743858, DOI: 10.1016/j.jdcr.2024.12.003.Peer-Reviewed Original ResearchEpidemiological patterns and survival outcomes in 1666 cases of malignant melanomas arising from giant pigmented nevi
Ugwu N, Hawryluk E, Weiss J. Epidemiological patterns and survival outcomes in 1666 cases of malignant melanomas arising from giant pigmented nevi. Journal Of The American Academy Of Dermatology 2024, 91: 727-729. PMID: 38848902, DOI: 10.1016/j.jaad.2024.05.076.Peer-Reviewed Original ResearchHistological Assessment of the Effectiveness of Microneedling Device-Assisted Filler Delivery
Ugwu N, Xun H, Dover J, Boustany A, Chung H. Histological Assessment of the Effectiveness of Microneedling Device-Assisted Filler Delivery. Dermatologic Surgery 2024, 50: 829-833. PMID: 38691514, DOI: 10.1097/dss.0000000000004206.Peer-Reviewed Original Research
2023
Primary Merkel cell carcinoma is associated with increased, extended risk of subsequent melanoma and nonepithelial skin cancer
Ugwu N, Cheraghlou S, Weiss J. Primary Merkel cell carcinoma is associated with increased, extended risk of subsequent melanoma and nonepithelial skin cancer. Journal Of The American Academy Of Dermatology 2023, 89: 1060-1061. PMID: 37451621, DOI: 10.1016/j.jaad.2023.07.007.Peer-Reviewed Original Research
2022
Incidence, survival, and prognostic factors associated with malignant nodular hidradenoma in the United States
Ugwu N, Cheraghlou S, Ko CJ, Cohen JM. Incidence, survival, and prognostic factors associated with malignant nodular hidradenoma in the United States. Journal Of The American Academy Of Dermatology 2022, 88: 875-877. PMID: 36228937, DOI: 10.1016/j.jaad.2022.09.053.Peer-Reviewed Original ResearchSegmental basaloid follicular hamartomas derive from a post‐zygotic SMO p.L412F pathogenic variant and express hair follicle development‐related proteins in a pattern that distinguish them from basal cell carcinomas
Atzmony L, Ugwu N, Bercovitch LG, Robinson‐Bostom L, Ko CJ, Myung P, Choate KA. Segmental basaloid follicular hamartomas derive from a post‐zygotic SMO p.L412F pathogenic variant and express hair follicle development‐related proteins in a pattern that distinguish them from basal cell carcinomas. American Journal Of Medical Genetics Part A 2022, 188: 3525-3530. PMID: 35972041, PMCID: PMC9669121, DOI: 10.1002/ajmg.a.62951.Peer-Reviewed Original ResearchInflammatory linear verrucous epidermal nevus (ILVEN) encompasses a spectrum of inflammatory mosaic disorders
Atzmony L, Ugwu N, Hamilton C, Paller A, Zech L, Antaya R, Choate K. Inflammatory linear verrucous epidermal nevus (ILVEN) encompasses a spectrum of inflammatory mosaic disorders. Pediatric Dermatology 2022, 39: 903-907. PMID: 35853659, PMCID: PMC9712156, DOI: 10.1111/pde.15094.Peer-Reviewed Original ResearchTrends in the Cost and Utilization of Omalizumab in the Medicare Population: 2013-2017.
Cheraghlou S, Ugwu N, Yu B, Cohen JM. Trends in the Cost and Utilization of Omalizumab in the Medicare Population: 2013-2017. The Yale Journal Of Biology And Medicine 2022, 95: 207-212. PMID: 35782473, PMCID: PMC9235260.Peer-Reviewed Original Research
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