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Bassel Hamdy Mahmoud Abdallah MD, PhD, FAAD

TitleAssociate Professor
InstitutionUMass Chan Medical School
DepartmentDermatology
AddressUMass Chan Medical School
55 Lake Avenue North
Worcester MA 01545
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    Other Positions
    InstitutionT.H. Chan School of Medicine
    DepartmentDermatology


    Collapse Biography 
    Collapse education and training
    Ain Shams University, Cairo, , EgyptMSScience
    Ain Shams University, Cairo, , EgyptMBBSMedicine and Surgery
    Ain Shams University, Cairo, , EgyptPHDGenotypic Studies

    Collapse Overview 
    Collapse Summary
    Interests: Mohs micrographic surgery for skin cancers, nail surgery, scar revision, lasers, vitiligo and cosmetic surgery
    Collapse overview

    Bassel Mahmoud, MD, PhD, FAAD, received his medical degree from Ain Shams University-Faculty of Medicine in Egypt. He completed a dermatology residency program at Henry Ford Health System in Detroit in 2013. He received an outstanding resident award for dedication and exceptional achievements as a physician, researcher and teacher. Furthermore, Dr. Mahmoud completed a Mohs micrographic surgery and cutaneous oncology fellowship program in 2014, affiliated with Harvard Medical School, Lahey Clinic, for additional training in the management of skin cancers. Mahmoud's clinical interests in dermatologic surgery include Mohs micrographic surgery for skin cancers, vitiligo surgery (MKTP), nail surgery, scar revision, lasers, cosmetic surgery and pigmentary disorders. Dr. Mahmoud is board certified in dermatology. He also speaks Arabic and French fluently. He was an editor for a textbook on the management of vitiligo, he has written ten book chapters and has more than 20 peer-reviewed publications in the field of photodermatology, lasers and dermatologic surgery. 



    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Hamzavi IH, Ganesan AK, Mahmoud BH, Weiss E, Ahmed AM, Robinson D, Goldman MP, Munavalli G, Kahn SA, Huang V, Waibel J, Desai A, Elbuluk N, Desai S, Pandya AG. Effective and durable repigmentation for stable vitiligo: A randomized within-subject controlled trial assessing treatment with autologous skin cell suspension transplantation. J Am Acad Dermatol. 2024 Dec; 91(6):1104-1112. PMID: 39182674.
      Citations:    
    2. Daniel VT, Azzolino V, Abraham M, Leonard N, Blankenship K, Lal K, Flahive J, Brown R, Tkachenko E, Teymour S, El Tal AK, Mahmoud BH. Factors Influencing Margin Clearance and the Number of Stages of Mohs Micrographic Surgery in Basal Cell Carcinoma: A Retrospective Chart Review. Cancers (Basel). 2024 Jun 28; 16(13). PMID: 39001442.
      Citations:    
    3. Chen R, Krueger S, Flahive J, Mahmoud BH. Wound Care Adherence in Mohs Micrographic Surgery: A Prospective Cohort Study. Dermatol Surg. 2023 10 01; 49(10):921-925. PMID: 37506091.
      Citations:    Fields:    Translation:Humans
    4. Refat MA, Strassner JP, Frisoli ML, Rashighi M, Richmond J, Nada E, Saleh R, El-Hamd MA, Goldberg D, Mahmoud BH, Harris JE. Lesional CD8+ T-Cell Number Predicts Surgical Outcomes of Melanocyte-Keratinocyte Transplantation Surgery for Vitiligo. J Invest Dermatol. 2023 11; 143(11):2275-2282.e6. PMID: 37478900.
      Citations:    Fields:    
    5. Hanly AM, Daniel VT, Mahmoud BH. Results of a National Survey on the Definition of Surgical Site Infections After Mohs Micrographic Surgery. Dermatol Surg. 2023 07 01; 49(7):641-644. PMID: 37382378.
      Citations:    Fields:    Translation:Humans
    6. Richmond JM, Patel D, Watanabe T, Chen HW, Martyanov V, Werner G, Garg M, Haddadi NS, Refat MA, Mahmoud BH, Wong LD, Dresser K, Deng A, Zhu JL, McAlpine W, Hosler GA, Feghali-Bostwick CA, Whitfield ML, Harris JE, Torok KS, Jacobe HT. CXCL9 Links Skin Inflammation and Fibrosis through CXCR3-Dependent Upregulation of Col1a1 in Fibroblasts. J Invest Dermatol. 2023 07; 143(7):1138-1146.e12. PMID: 36708947.
      Citations: 2     Fields:    Translation:HumansAnimalsCells
    7. Jermain PR, Iorizzo TW, Maloney M, Mahmoud B, Yaroslavsky AN. Design and Validation of a Handheld Optical Polarization Imager for Preoperative Delineation of Basal Cell Carcinoma. Cancers (Basel). 2022 Aug 22; 14(16). PMID: 36011042.
      Citations:    
    8. Daniel VT, Crawford A, Kiefe CI, Mahmoud BH. Recurrence and Mortality of Melanoma In Situ of the Trunk or Extremities: A Surveillance, Epidemiology, and End Results Analysis. Dermatol Surg. 2021 01 01; 47(1):1-5. PMID: 32271178.
      Citations: 2     Fields:    Translation:Humans
    9. Daniel VT, Mahmoud BH. Reconstruction of a Large Glabellar Defect. Dermatol Surg. 2020 11; 46(11):1437-1439. PMID: 31567491.
      Citations:    Fields:    Translation:Humans
    10. Hanly AM, Daniel VT, Mahmoud BH. Controversies in defining a surgical site infection following Mohs micrographic surgery: A literature review. J Am Acad Dermatol. 2021 Jun; 84(6):1719-1720. PMID: 32828859.
      Citations:    Fields:    Translation:Humans
    11. Mahmoud BH, Ozog D, Burnett C, Cohen JL. Prospective Randomized Split-Face Comparative Study Between Topical Botulinum Toxin A Surface Application and Local Injection for Crow's Feet. Dermatol Surg. 2016 Apr; 42(4):554-6. PMID: 26990256.
      Citations: 5     Fields:    Translation:Humans
    12. Kauvar AN, Arpey CJ, Hruza G, Olbricht SM, Bennett R, Mahmoud BH. Consensus for Nonmelanoma Skin Cancer Treatment, Part II: Squamous Cell Carcinoma, Including a Cost Analysis of Treatment Methods. Dermatol Surg. 2015 Nov; 41(11):1214-40. PMID: 26445288.
      Citations: 41     Fields:    Translation:Humans
    13. Mahmoud BH, Burnett C, Ozog D. Prospective randomized controlled study to determine the effect of topical application of botulinum toxin A for crow's feet after treatment with ablative fractional CO2 laser. Dermatol Surg. 2015 Jan; 41 Suppl 1:S75-81. PMID: 25548849.
      Citations: 8     Fields:    Translation:Humans
    14. Mahmoud BH, Zembowicz A, Fisher E. Controversies over subungual tumors in incontinentia pigmenti. Dermatol Surg. 2014 Oct; 40(10):1157-9. PMID: 25255281.
      Citations: 1     Fields:    Translation:Humans
    15. Shi YL, Weiland M, Li J, Hamzavi I, Henderson M, Huggins RH, Mahmoud BH, Agbai O, Mi X, Dong Z, Lim HW, Mi QS, Zhou L. MicroRNA expression profiling identifies potential serum biomarkers for non-segmental vitiligo. Pigment Cell Melanoma Res. 2013 May; 26(3):418-21. PMID: 23470042.
      Citations: 17     Fields:    Translation:Humans
    16. LoPiccolo MC, Mahmoud BH, Liu A, Sage RJ, Kouba DJ. Evaluation of orbicularis oculi muscle stripping on the cosmetic outcome of upper lid blepharoplasty: a randomized, controlled study. Dermatol Surg. 2013 May; 39(5):739-43. PMID: 23332034.
      Citations: 2     Fields:    Translation:Humans
    17. Mahmoud BH, Eide MJ. Bendamustine-induced "flagellate dermatitis". Dermatol Online J. 2012 Nov 15; 18(11):12. PMID: 23217953.
      Citations: 7     Fields:    Translation:Humans
    18. Pattamadilok B, Devpura S, Syed ZU, Agbai ON, Vemulapalli P, Henderson M, Rehse SJ, Mahmoud BH, Lim HW, Naik R, Hamzavi IH. Quantitative skin color measurements in acanthosis nigricans patients: colorimetry and diffuse reflectance spectroscopy. Photodermatol Photoimmunol Photomed. 2012 Aug; 28(4):213-5. PMID: 23017175.
      Citations: 3     Fields:    Translation:HumansCTClinical Trials
    19. Zhou L, Li K, Shi YL, Hamzavi I, Gao TW, Henderson M, Huggins RH, Agbai O, Mahmoud B, Mi X, Lim HW, Mi QS. Systemic analyses of immunophenotypes of peripheral T cells in non-segmental vitiligo: implication of defective natural killer T cells. Pigment Cell Melanoma Res. 2012 Sep; 25(5):602-11. PMID: 22591262.
      Citations: 18     Fields:    Translation:HumansCells
    20. Sage RJ, Lopiccolo MC, Liu A, Mahmoud BH, Tierney EP, Kouba DJ. Subcuticular incision versus naturally sourced porcine collagen filler for acne scars: a randomized split-face comparison. Dermatol Surg. 2011 Apr; 37(4):426-31. PMID: 21388487.
      Citations: 7     Fields:    Translation:Humans
    21. Kouba DJ, Tierney E, Mahmoud BH, Woo D. Optimizing closure materials for upper lid blepharoplasty: a randomized, controlled trial. Dermatol Surg. 2011 Jan; 37(1):19-30. PMID: 21199097.
      Citations: 6     Fields:    Translation:Humans
    22. Xu LY, Wright DR, Mahmoud BH, Ozog DM, Mehregan DA, Hamzavi IH. Histopathologic study of hidradenitis suppurativa following long-pulsed 1064-nm Nd:YAG laser treatment. Arch Dermatol. 2011 Jan; 147(1):21-8. PMID: 20855672.
      Citations: 17     Fields:    Translation:Humans
    23. Mahmoud BH, Ruvolo E, Hexsel CL, Liu Y, Owen MR, Kollias N, Lim HW, Hamzavi IH. Impact of long-wavelength UVA and visible light on melanocompetent skin. J Invest Dermatol. 2010 Aug; 130(8):2092-7. PMID: 20410914.
      Citations: 60     Fields:    Translation:HumansCells
    24. Mahmoud BH, Tierney E, Hexsel CL, Pui J, Ozog DM, Hamzavi IH. Prospective controlled clinical and histopathologic study of hidradenitis suppurativa treated with the long-pulsed neodymium:yttrium-aluminium-garnet laser. J Am Acad Dermatol. 2010 Apr; 62(4):637-45. PMID: 20227579.
      Citations: 23     Fields:    Translation:Humans
    25. Mahmoud BH, Srivastava D, Janiga JJ, Yang JJ, Lim HW, Ozog DM. Safety and efficacy of erbium-doped yttrium aluminum garnet fractionated laser for treatment of acne scars in type IV to VI skin. Dermatol Surg. 2010 May; 36(5):602-9. PMID: 20384757.
      Citations: 16     Fields:    Translation:Humans
    26. Desai S, Mahmoud BH, Bhatia AC, Hamzavi IH. Paradoxical hypertrichosis after laser therapy: a review. Dermatol Surg. 2010 Mar; 36(3):291-8. PMID: 20100274.
      Citations: 14     Fields:    Translation:Humans
    27. Marcus DV, Mahmoud BH, Hamzavi IH. Granuloma annulare treated with rifampin, ofloxacin, and minocycline combination therapy. Arch Dermatol. 2009 Jul; 145(7):787-9. PMID: 19620560.
      Citations: 8     Fields:    Translation:Humans
    28. Tierney E, Mahmoud BH, Hexsel C, Ozog D, Hamzavi I. Randomized control trial for the treatment of hidradenitis suppurativa with a neodymium-doped yttrium aluminium garnet laser. Dermatol Surg. 2009 Aug; 35(8):1188-98. PMID: 19438670.
      Citations: 25     Fields:    Translation:Humans
    29. Tierney E, Mahmoud BH, Srivastava D, Ozog D, Kouba DJ. Treatment of surgical scars with nonablative fractional laser versus pulsed dye laser: a randomized controlled trial. Dermatol Surg. 2009 Aug; 35(8):1172-80. PMID: 19250300.
      Citations: 15     Fields:    Translation:Humans
    30. Mahmoud BH, Hexsel CL, Hamzavi IH, Lim HW. Effects of visible light on the skin. Photochem Photobiol. 2008 Mar-Apr; 84(2):450-62. PMID: 18248499.
      Citations: 58     Fields:    Translation:Humans
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