Dr. Yan Peng completed her Pediatric Residency/Chief Resident at Beijing Medical University Hospitals and practiced there as a Pediatric Nephrologist for two years. After a combined six years of basic research on kidney disease at Mayo Clinic in Rochester and UT-Southwestern Medical Center (UTSW), she went to University of Pittsburgh Medical Center (UPMC) for Pathology Residency. Upon the completion, she took two fellowship trainings in Breast and Gynecologic Pathology and Cytopathology at UPMC and Harvard Medical School, respectively.

She has been a Breast and Gynecologic Surgical Pathologist and Cytopathologist at the UTSW. She is the Pathology Liaison at Cancer Committee of UTSW Simmons Cancer Center and University Hospitals. She  served as Medical Directors of Diagnostic Immunohistochemistry Laboratory and Tumor Biomarker Image Analysis Laboratory for about 10 years. As co-investigator, she has participated in more than 30 National Cancer Institute (NCI) Breast and Gynecologic cancer clinical trials. She has served as an investigator for NCI Cancer Therapy Evaluation Program since 2014.

Dr. Peng authored more than 90 peer-reviewed articles and book chapters. She serves as an Editor for a textbook entitled Practical Breast Pathology (Springer). She has served as an editorial board member for multiple scientific journals including Human Pathology. 


Medical School
Beijing Medical University (1986)
Beijing University Hospital (1989), Pediatrics
Graduate School
Beijing Medical University, China (1991)
Mayo Clinic College of Medicine (1995), Physiology
UT Southwestern Medical Center (1999), Molecular Nephrology Research
University of Pittsburgh Medical Center (2003), Anatomic & Clinical Pathology
University of Pittsburgh Medical Center Magee Womens Hospital (2004), Breast & Gynecologic Pathology
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


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Honors & Awards

  • Chair, Pathology Faculty Mentoring Committee
  • Member, Abstract Review Board of United States and Canadian Academy of Pathology (Breast Pathology Category)
  • Member, UT Southwestern Medical School Dean’s Standing Committee (Faculty Council)
  • President, International Association of Chinese Pathologists (IACP)
  • President, North Texas Society of Pathologists (NTSP)
  • President, UT Southwestern Faculty Senate
  • Distinguished Young Investigator Award in Medicine
    Beijing, China (1993)
  • Distinguished Scientist Award of Canada China Child Health Foundation
  • Best National Medical Article Award
    China (1991)
  • Member, Faculty Promotion and Tenure Committee for UT Southwestern Medical School