Book excerpt: The most popular pediatric imaging text among radiology residents, program directors, and practitioners is now in its updated, expanded Third Edition. This edition's contributing authors include faculty of the Department of Radiology at Children's Hospital in Boston--the largest pediatric medical center in the United States. The state-of-the-art coverage highlights the expanding pediatric applications of ultrasound, CT, MRI, nuclear medicine, and vascular/interventional techniques. A new chapter on head and neck imaging is also included. Complementing the text are more than 2,000 scans and line drawings--over 1,300 new to this edition--as well as numerous diagnostic algorithms and tables of differential diagnosis.