Prereq: consent of instructor. Imaging has come to increasingly serve as a substrate and necessary ingredient for progressively more complex diagnoses and therapy. The increasing significance of the imaging com-ponents has been classically appreciated in fields such as radia-tion therapy, where planning of treatment based on images is integral to the therapy itself, and has spread beyond the boundaries of such disciplines to numerous surgical fields such as neurosurgery, orthopedics, and ear, nose, and throat surgery. 2 cr., on demand.