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Cristina Thomas, M.D.

Cristina Thomas, M.D.

Titles and Appointments

Assistant Professor

School
Medical School
Department
Dermatology | Internal Medicine

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For more information on the doctor and patient care, please visit the clinical profile.

  • Biography

    Cristina Thomas, M.D., is an Assistant Professor in the Departments of Internal Medicine and Dermatology at UT Southwestern Medical Center. She specializes in complex medical dermatology, inpatient dermatology, and infectious skin diseases.

    Dr. Thomas graduated magna cum laude from Northwestern University with a degree in biological sciences. She earned her medical degree also at Northwestern, where she was a member of the Alpha Omega Alpha Honor Society. She then pursued residency training at Harvard Medical School, where she completed a combined residency in internal medicine at Brigham and Women’s Hospital and dermatology at the Harvard Combined Dermatology Residency Program. In her final year of training, she served as administrative Chief Resident for the program.

    Certified by the American Boards of Dermatology and Internal Medicine, she joined the UT Southwestern faculty in 2020.

    Dr. Thomas’s clinical and research interests include complex medical dermatology and infectious disease-related dermatology. She has published in numerous medical journals, including the New England Journal of Medicine, the Journal of the American Academy of Dermatology, and JAMA Dermatology.

    Dr. Thomas is a member of the American Board of Internal Medicine, the American Board of Dermatology, the American Academy of Dermatology, the Medical Dermatology Society, the Texas Dermatological Society, and the Dallas Dermatological Society.

  • Education
    Medical School
    Northwestern University Feinberg School of Medicine (2015)
    Medical School
    Northwestern University Feinberg School of Medicine (2015)
    Internship
    Brigham and Women's Hospital (2016)
    Residency
    Brigham and Women's Hospital (2020), Internal Medicine
    Residency
    Harvard Medical School/Massachusetts General Hospital (2020), Dermatology
  • Research Interest
    • Infectious diseases in dermatology
    • Inpatient dermatology
  • Publications
    Acute inpatient complications of Stevens–Johnson syndrome/toxic epidermal necrolysis
    Wu A, Desai AD, Nguyen C, Thomas C Journal of the American Academy of Dermatology 2025 Jul 93 221-223
    Scabies Infestations-Reply
    Thomas C, Castillo Valladares H, Chang AY JAMA 2025 Feb 333 538-539
    Seasonal trends in drug reaction with eosinophilia and systemic symptoms
    Desai AD, Thomas C Journal of the American Academy of Dermatology 2025 Jan 92 183-185
    Association between self-perception of general health and sun-related behaviours
    Cherfrere C, Wu A, Thomas C Skin Health and Disease 2024 Dec 4
    Scabies, Bedbug, and Body Lice Infestations: A Review
    Thomas C, Castillo Valladares H, Berger TG, Chang AY JAMA 2024 Oct 332 1189-1199
    Inpatient dermatology consultation alters the diagnosis and management of dermatologic diseases in patients living with HIV/AIDS
    Shore K, Fixsen E, Thomas C Archives of Dermatological Research 2024 Oct 316
    Utility of laboratory and blood pressure monitoring in patients with dermatologic disorders receiving cyclosporine
    Cepica TB, Powers CM, Lu G, Thomas C Archives of Dermatological Research 2024 Sep 316
    Treatment of Bullous Pemphigoid With Dupilumab: A Case Series of 30 Patients
    Miller AC, Temiz LA, Adjei S, Duran MA, Sassmannshausen J, Dominguez A, Thomas C, Schmidt JD, Bernhardt M, Doolittle-Amieva CJ, Moshiri AS, Thompson AJ, Kim-Lim PP, Mattia AV, Tyring SK Journal of Drugs in Dermatology 2024 Jun 23 e144-e148
    Sepsis-like features in hidradenitis suppurativa flares requiring admission: A retrospective cohort study
    AbdelHameid D, Wang L, Mauskar MM, Dominguez AR, Thomas C Journal of the American Academy of Dermatology 2024 Jun 90 1291-1294
    Association of age of symptom onset with hypercoagulability as a cause of livedoid vasculopathy: A retrospective cross-sectional study
    Le K, Thomas C JEADV Clinical Practice 2024 Mar 3 325-327
  • Honors & Awards
    • Alpha Omega Alpha Honor Medical Society
      Northwestern University (2013)
    • Outstanding Teacher Award 2021, UTSW Department of Dermatology
  • Professional Associations/Affiliations
    • American Academy of Dermatology
    • American Board of Dermatology
    • American Board of Internal Medicine
    • Dallas Dermatological Society
    • Medical Dermatology Society
    • Texas Dermatological Society