In 1972 she came to the United States and completed a residency in diagnostic radiology at Saint Joseph"s Mercy Hospital, Michigan, followed by a fellowship at Henry Ford Hospital in Michigan. (equivalent to Doctor of Philosophy) from the Karolinska Institute in Stockholm, Sweden.
She holds a senior position within the Molecular Pharmacology and Chemistry Program at the Sloan-Kettering Institute and is Professor of Radiology at the Weill Medical College of Cornell University. In 1982 she moved to the University of California, San Francisco (University of California, San Francisco), where she accelerated through the academic ranks to Professor of Radiology, Radiation Oncology, Urology and Gynecology in 1986. She later became the chief of the abdominal section of the Department of Radiology at University of California, San Francisco Medical Center.
While at University of California, San Francisco, she earned her Doctor Medical
Science Hricak"s initial contribution was to the development of ultrasound applications for renal disease, specifically to the diagnostic evaluation of renal transplants. She has been involved in Medical Research Institute research since the emergence of the field in the 1980s and helped develop clinical applications for gynecological cancers, kidney cancer, as well as Medical Research Institute and Magnetic Resonance spectroscopy.
She has authored or co-authored more than 450 research articles, reviews and editorial articles, 18 books and more than 130 book chapters.
Hricak is a member of the Institute of Medicine (IOM) of the National Academies of Science. She serves as a member of the Nuclear Radiation Study Board of the National Academies and the Cancer Clinical Trials and the National Cancer Institute Cooperative Group Program. She has served on as a member of the National Cancer Institute Board of Scientific Advisors, as committee chair for the National Academies, Committee on the State of Science of Nuclear Medicine, Advancing Nuclear Medicine Through Innovation and a member of the National Institutes of Health Board of Scientific Counselors.
She is also a correspondent member of the Croatian Academy of Sciences and Arts.