This best-selling radiology primer clearly explains the basic principles and clinical applications of plain film, CT, MRI, and nuclear medicine. Written in straightforward, accessible language and assuming no prior knowledge of radiology, it provides an ideal introduction to the field. The new edition reflects the all of the momentous recent changes in diagnostic imaging technology and applications, including the diagnosis of abdominal, pelvic, and retroperitoneal conditions. It also presents new coverage of the evaluation of headache, hypertension, and low back pain. Over 550 outstanding, beautifully reproduced digital images demonstrate every essential concept.