Associate Professor of Radiology and Neurology; Director, CU CSF Leak Program
University of Colorado School of Medicine/University of Colorado Hosptial
Aurora, Colorado, United States
Andrew L. Callen, MD is an Associate Professor of Radiology and Neurology at the University of Colorado School of Medicine. Dr. Callen is the founder and Director of the CU CSF Leak Program, the first multidisciplinary CSF leak treatment center in Colorado.
Dr. Callen has published extensively, including over 60 manuscripts, with more than 25 peer-reviewed publications and two textbook chapters focusing on CSF dynamics and spinal CSF leaks. He is also the inventor of a novel patient positioning device for dynamic CT myelography.
Dr. Callen is a founding member of the International Spinal CSF Leak Society and serves on the medical advisory boards for the U.S. and Canadian Spinal CSF Leak Foundations. He is the Course Director of the annual Spinal CSF Leak: Bridging the Gap conference, a unique event that integrates patient narratives with expert insights to drive innovation in CSF leak diagnosis and treatment.
Imaging of High & Low Pressure Syndromes
Saturday, December 6, 2025
10:30 AM - 10:55 AM MST