The second edition of this book improves on the first. it has more graphics and illustrations and is an excellent textbook for teaching as well as a helpful resource for individuals planning to take the Registry Exam in computed tomography. The author has expanded the text with updated and new information on spiral/helical CT, real-time CT fluoroscopy, virtual endoscopy and CT angiography. Mr. Seeram presents the material in an organized sequence, beginning with the history of CT and continuing with information on CT physics, data acquisition, computers, image quality assurance, new information on ways CT is being used today, pediatric CT and protocols. The information flows well, building on itself with each chapter. After introducing information, Mr. Seeram thoroughly discusses it in an understandable manner. In particular he does an excellent job of explaining difficult concepts such as back projection, volume scanning, the role of computers in CT, quality assurance and the physical principles of CT.

The graphics and illustrations are self-explanatory and are used throughout the text to reiterate the difficult information discussed. The author is an excellent teacher in the area of CT and anyone can gain from his explanations.

The first edition of this textbook is used in our advanced CT classes and has been an asset for these classes. The book is worth its cost, considering the information it provides. Its strengths are the easily understandable explanations of difficult information and the excellent graphics and illustrations which reinforce the information covered. The summary comparison of three different manufacturers' units at the back of the book helps readers understand the different terminology used by different manufacturers.