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Dehdashti honored by radiological society for outstanding research

Award recognizes her significant contributions to cancer imaging

October 13, 2025

Farrokh Dehdashti, MD,

Farrokh Dehdashti, MD, the Drs. Barry A. and Marilyn J. Siegel Professor of Radiology and senior vice chair and director of the Division of Nuclear Medicine at WashU Medicine Mallinckrodt Institute of Radiology, has been recognized by the Radiological Society of North America with the 2025 Outstanding Researcher Award. The award recognizes her accomplishments in advancing the radiologic sciences throughout her career.

Dehdashti is credited with expanding the role of positron emission tomography (PET) imaging in the field of oncology. She conducted some of the first human studies of novel PET diagnostic compounds (also called radiotracers) in the imaging of several types of cancer, including cervical, breast, pancreatic and prostate cancers. She is co-leader of the Oncologic Imaging Program at Siteman Cancer Center, based at Barnes-Jewish Hospital and WashU Medicine, and medical director of PET imaging at the Center for Clinical Imaging at Mallinckrodt Institute of Radiology. Her research interests include imaging estrogen receptors and progesterone receptors in breast cancer; imaging chemokine receptors in pancreatic and head and neck cancers, such as CCR2 imaging; poly ADP-ribose polymerase imaging of solid tumors; and imaging tumor proliferation.

Dehdashti earned her medical degree from Pahlavi University School of Medicine in Iran in 1977 and completed her radiology residency there in 1980. She completed a nuclear medicine residency at Medical College of Wisconsin in Milwaukee.  She served as chief resident in nuclear medicine at WashU Medicine in 1989, followed by a research fellowship in PET imaging in the Division of Nuclear Medicine at WashU Medicine before she joined the faculty in 1990.

Dehdashti will receive the award at the Radiological Society of North America’s annual meeting, Nov. 30-Dec. 4 in Chicago.