Radiology is the science that uses medical imaging to diagnose and sometimes also treat diseaseswithin the body. A variety of imaging techniques such as X-ray radiography, ultrasound, computedtomography (CT), nuclear medicine including positron emission tomography (PET), and magneticresonance imaging (MRI) are used to diagnose and treat diseases. This book integrates all the basicconcepts and latest information about radiology and medical imaging. The contents of the book arestudent-friendly and give a complete coverage of medical imaging, and the latest advancements in thisfield. The fundamental objective of the book is to present basics of this field in an informative andinteresting manner. This book will prove a valuable reference for practitioners, specialists, consultantsand students. Topics are concisely presented and explained in a very lucid manner. It is hoped that theinsight and erudition of the book will serve well for the readers. International experts have madecontributions in this book. It is our hope that this book will give a thorough knowledge of the field andwill be a reference to all radiologists.