The purpose of this book is to discuss pain management, the various disorders in which pain constitutes a major problem and the method employed in its management, with special emphasis on the use of ultrasound and image intensifier as an aid in the diagnosis and therapy. Goal is to achieve completeness from standpoint of surgeons and radiologists. This book is written to facilitate busy surgeons and to provide information with the conviction that this will induce more clinicians to employ these methods of therapy.