Drs. Peter M. Som and Hugh D. Curtin, delivers the encyclopedic and authoritative guidance you've come to expect from this book - the expert guidance you need to diagnose the most challenging disorders using today's most accurate techniques. New state-of-the-art imaging examples throughout help you recognize the imaging presentation of the full range of head and neck disorders using PET, CT, MRI, and ultrasound. Enhanced coverage of the complexities of embryology, anatomy, and physiology, including original color drawings and new color anatomical images from Frank Netter, help you distinguish subtle abnormalities and understand their etiologies.