Christina I. Tsien, MD

Professor of Radiation Oncology

  • Phone: 314-362-8502

Additional Titles

  • Chief, Central Nervous System (CNS) Service
  • Co-Medical Director of Stereotactic Radiosurgery Gamma Knife Center
  • Director of Clinical Research


  • DEC, Health Sciences: John Abbott College, Montreal, Quebec, Canada (1990)
  • MD: McGill University Faculty of Medicine, Montreal, Quebec, Canada (1995)
  • Internship, Internal Medicine: Jewish General Hospital, Montreal, Quebec, Canada (1996)
  • Residency, Radiation Oncology: McGill University Health Center, Montreal, Quebec, Canada (2000)
  • Fellowship, Radiation Oncology: University of Michigan, Ann Arbor, Michigan (2001)

Board Certifications

  • Certified by the American Board of Radiology in Radiation Oncology (2003)


  • Oncologic Imaging and Therapies Task Force Co-Chair: Radiological Society of North America (RSNA) (2016 – Present)
  • National Comprehensive Cancer Network (NCCN) Guidelines Committee Member (2015-present)
  • Best Doctors in America, (2010-Present)
  • CNS Track Leader: American Society of Clinical Oncology (ASCO) (2012-2013)

Clinical Interests

Brain Tumors
Disorders of the Central Nervous System
Stereotactic Radiosurgery (Gamma Knife)
Proton Therapy
Stereotactic Spine Radiation Therapy (SBRT)
Intensity Modulated Radiation Therapy (IMRT)
MR and PET Imaging Biomarkers


Christina I. Tsien, MD, is a Professor of Radiation Oncology. She serves as the Chief of Central Nervous System (CNS) service, Director of Clinical Research for Radiation Oncology, and Co-Medical Director of Stereotactic Radiosurgery and Gamma Knife Center. She is the co-leader of the Neuro-Oncology program at the Siteman Cancer Center at Barnes Jewish Hospital. Dr. Tsien joined the faculty of Washington University School of Medicine in September 2014. She earned her medical degree from McGill University’s Faculty of Medicine, Montreal, Quebec, Canada in 1995. She completed her residency in Radiation Oncology at McGill University in 2000, where she was chief resident. In 2001, she completed a fellowship in Radiation Oncology at the University of Michigan, Ann Arbor. She was a faculty member at the University of Michigan, Ann Arbor, where she led the CNS clinical and research program and promoted to Professor in 2014. Her current clinical practice and research interests include the treatment and management of brain tumors, Gamma Knife stereotactic radiosurgery, combining novel targeted therapies with radiation, proton therapy, and stereotactic spine and body radiation therapy.


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