Dr. Yan Peng completed her Pediatric Residency/Chief Resident at Beijing Medical University Hospitals and practiced there as a Pediatric Nephrologist till 1993. After a combined six years of basic research on kidney disease at Mayo Clinic, Rochester, MN and UT-Southwestern Medical Center (UTSW), Dallas, TX, she went to University of Pittsburgh Medical Center (UPMC) for her Pathology Residency in 1999. Upon the completion, she took two one-year ACGME accredited fellowship trainings in Breast and Gynecologic Pathology at UPMC and Cytopathology at Beth Israel Deaconess Medical Center and Harvard Medical School in Boston, respectively. In 2005, she joined the Pathology Faculty at UTSW, where she has been practicing Surgical Pathology and Cytopathology till now. She is certified in Anatomic Pathology, Clinical Pathology, and Cytopathology by the American Board of Pathology.

Currently she is a Breast and Gynecologic Pathologist and a member of Cancer Committee at UTSW Simmons Cancer Center. As a co-investigator, she has participated in multiple National Cancer Institute (NCI) breast cancer and gynecologic cancer clinical trials.

Her specialties include Breast and Gynecologic Cancer Pathology, Cytopathology, Diagnostic Immunohistochemistry with a particular interest in unknown primary cancer work-up, and interpretation of prognostic and predictive tumor biomarkers tested by image analysis and fluorescence in-situ Hybridization (FISH).


Medical School
Beijing Medical University (1986)
Beijing University Hospital (1989), Pediatrics
Graduate School
Beijing Medical University (1991)
Mayo Clinic (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

Clinical Interest

Breast Pathology

  • Comprehensive Immunohistochemical Markers including Prognostic Markers
  • Evaluation of Breast Tissue for Diagnosis & Treatment Plans

Gynecologic Pathology

  • Biopsy & Cytology Correlation
  • Cervical/Endocervical Biopsies & Endometrial Curetting
  • HPV Hybridization for Cervical & Vulvar Biopsies
  • Identification & Quantitation of Infectious Organisms
  • Prognostic Markers for Endometrial Carcinomas

Research Interest

  • Breast Cancer and Gynecologic Cancer Pathology
  • Diagnostic, prognostic and predictive tumor biomarkers


Featured Publications LegendFeatured Publications


Featured Books Legend Featured Books

Honors & Awards

  • President-Elect, International Association of Chinese Pathologists (IACP)
  • President-Elect, The UTSW Faculty Senate
  • Secretary, North Texas Society of Pathologists (NTSP)
  • 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)
  • Outstanding Medical Student Award and Scholarship
    Beijing Medical University (1986)