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Yan Peng, M.D.,  Ph.D.

Yan Peng, M.D., Ph.D.

Titles and Appointments

Professor

Schools
Medical School
Departments
Pathology

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

  • Biography

    Dr. Yan Peng, MD, PhD, completed her pediatric residency and served as chief resident at Beijing Medical University (Peking University Health Science Center), where she subsequently practiced as a pediatric nephrologist for two years. She then pursued six years of basic science research in kidney disease at the Mayo Clinic in Rochester and UT Southwestern Medical Center (UTSW). Following this, she completed a pathology residency at the University of Pittsburgh Medical Center (UPMC). She went on to complete two ACGME-accredited fellowships in Breast and Gynecologic Pathology at UPMC and in Cytopathology at BIDMC/Harvard Medical School.

    Dr. Peng joined the pathology faculty at UTSW in 2005. Dr. Peng is a surgical pathologist and cytopathologist with extensive expertise in breast and gynecologic pathology, and cytopathology and certified by the American Board of Pathology in Anatomic Pathology, Clinical Pathology and Cytopathology. In 2009, she became the inaugural co-leader of the specialized breast pathology service in university hospitals. Since 2012, she has served as the pathology representative on the Cancer Committee of the National Cancer Institute (NCI)-designated Simmons Comprehensive Cancer Center at UTSW. She also served for 10 years as the founding medical director of both the Diagnostic Immunohistochemistry Laboratory and the Tumor Biomarker Image Analysis Laboratory at PHHS.

    Dr. Peng has participated as a clinical investigator in multiple NCI breast and gynecologic cancer clinical trials through the NCI Cancer Therapy Evaluation Program. She is also a co-investigator on several NIH R01-funded research projects focused on identifying novel therapeutic targets for breast cancer.

    Dr. Peng has authored/co-authored more than 100 peer-reviewed publications. She served as Editor of the textbook Practical Breast Pathology (Springer, 2019), as well as special issues on breast pathology for Seminars in Diagnostic Pathology (Elsevier, 2022) and Human Pathology (Elsevier, 2025). In addition, she has contributed multiple book chapters to breast pathology textbooks. She is the founding Deputy Editor-in-Chief of the Journal of Clinical and Translational Pathology (Xia & He Publishing Inc.) and has served as Section Editor for Gynecologic Pathology for Human Pathology Reports (Elsevier). She has also served on the editorial boards of several journals, including Cancers and Human Pathology. She is an invited reviewer for JNCCN, Cell Reports Medicine, Biomaterials, Cancer Treatment Reviews, and eBioMedicine.

    Dr. Peng has delivered numerous presentations on breast cancer at both national and international conferences. She is a former president of the North Texas Society of Pathologists.

    Dr. Peng has served on the University Faculty Promotion and Tenure Committee and has chaired the Pathology Faculty Mentoring Committee since 2018. She is also a past president of the UTSW Faculty Senate.

  • Education
    Medical School
    Beijing Medical University (1986)
    Residency
    Beijing University Hospital (1989), Pediatrics
    Graduate School
    Beijing Medical University, China (1991)
    Other Post Graduate Training
    Beijing Medical University, China (1991)
    Fellowship
    Mayo Clinic College of Medicine (1995), Physiology
    Fellowship
    UT Southwestern Medical Center (1999), Molecular Nephrology Research
    Residency
    University of Pittsburgh Medical Center (2003), Anatomic & Clinical Pathology
    Fellowship
    University of Pittsburgh Medical Center Magee Womens Hospital (2004), Breast & Gynecologic Pathology
    Fellowship
    Harvard Medical School/Beth Israel Deaconess Medical Center (2005), Cytopathology
  • Research Interest
    • Breast Cancer and Gynecologic Cancer Pathology
    • Diagnostic Immunohistochemistry: Theranostic and Genomic Applications
    • Prognostic and predictive tumor biomarkers
  • Publications

    Star Featured Publications

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  • Books

    Featured 

  • Honors & Awards
    • Faculty mentor (Breast and Gynecologic Pathology), United States and Canadian Academy of Pathology (USCAP)
      (2025)
    • Guest Editor
      Human Pathology (Elsevier), Breast Pathology Special Issue (2025)
    • Faculty Mentor (Breast Pathology), United States and Canadian Academy of Pathology (USCAP)
      (2024)
    • Invited Speaker: Best Clinical Practice in HER2 Testing Interpretation in the Era of HER2-directed Antibody Drug Conjugates
      The Ninth International Conference on Cancer Research & Drug Development (Cancer R&D), Boston, MA (2024)
    • Invited Speaker: Updates in Breast Cancer Biomarkers in 2023
      The Eighth International Conference on Cancer Research & Drug Development (Cancer R&D), Boston, MA (2023)
    • Top Doctor (Pathologist)
      Texas Magazine (2022)
    • Founding Deputy Editor-in-Chief of the Journal of Clinical and Translational Pathology (Xia & He Publishing Inc.)
      (2021-2026)
    • Session Chair, The Breast Pathology Platform Sessions for the United States and Canadian Academy of Pathology (USCAP) 110th annual meeting
      (2021)
    • Outstanding peer reviewer for Human Pathology (one of leading pathology scientific journals in the US)
      (2018)
    • Member, Abstract Review Board of United States and Canadian Academy of Pathology (Breast Pathology Category)
      (2017-2020)
    • President, International Association of Chinese Pathologists
      (2017-2018)
    • President, UT Southwestern Faculty Senate
      (2017-2018)
    • Finalist for Best Scientific Abstract Award of American Society for Clinical Pathology (senior mentor)
      (2015)
    • Distinguished Young Investigator Award in Medicine
      Beijing, China (1993)
    • Distinguished Scientist Award of Canada China Child Health Foundation
      (1992)
    • Best National Medical Article Award
      China (1991)
    • Invited Speaker: 2025 Updates on Breast Cancer Biomarkers in Clinical Practice. Chair of Targeted Therapy Session
      The Tenth International Conference on Cancer Research & Drug Development, Boston, MA (2025)