Lorraine De Blanche, M.D., is an Assistant Professor of Radiology at UT Southwestern Medical Center, and a member of its Nuclear Medicine Division. Her clinical interests include multiple myelomalymphoma, and cancers of the breast, colon, lung, esophagus, and head and neck. She is also actively involved in the Division's lutetium Lu 177 dotatate therapy program.

Originally from South Africa, Dr. De Blanche earned her medical degree at the University of Witwatersrand. She remained there to receive residency training in emergency medicine and in radiology. She then completed nuclear medicine residency training at the University of Arkansas in Little Rock.

Before joining the UT Southwestern faculty in 2019, Dr. De Blanche worked as an attending physician for the North Dallas Veterans Healthcare System. Prior to that, she served as an Assistant Professor of Radiology at the University of Arkansas.

Her research interests include the use of nuclear imaging in conditions of the bladder, thyroid, and heart. 

In addition to being a Fellow of the American College of Nuclear Medicine, Dr. De Blanche is active in several professional organizations, including the American Medical Association, the American Society of Nuclear Cardiology, and the Society of Nuclear Medicine and Molecular Imaging, which she serves as president of its Southwest chapter.

Personal Note

During her free time, Dr. De Blanche enjoys outdoor activities, such as walking, jogging, ocean kayaking, long-distance cycling, and skiing. She is also a fan of audio books, a student of ancient and medieval history, and an avid traveler.


Medical School
University of Witwatersrand-South Africa (1987)
Hillbrow Hospital, University of Witwatersrand, South Africa (1988), Internal Medicine & General Surgery
Hillbrow Hospital, University of Witwatersrand-South Africa (1989), Emergency Medicine
Hillbrow Hospital, University of Witwatersrand-South Africa (1991), Radiology
University of Arkansas for Medical Sciences (2008), Nuclear Medicine

Professional Associations/Affiliations

  • American College of Nuclear Medicine
  • American Medical Association
  • American Society of Nuclear Cardiology
  • Society of Nuclear Medicine and Molecular Imaging