tailieunhanh - GAMMA KNIFE RADIOSURGERY

Ideally a screening test should detect all clinically significant prostate cancers and not benign pathologies. It has been normal practice that men who are found to have an abnormal serum PSA level should have a prostate biopsy. For example, the UK Prostate Cancer Risk Management Programme (PCRMP) states “if your PSA is definitely raised, a prostate biopsy is required to determine whether cancer is present” The justification for performing biopsy in men with an abnormal PSA is that they are at high risk of prostate cancer. However, data from the Prostate Cancer Prevention Trial (Thompson, 2006) and Baltimore Longitudinal Study on Aging (Fang, 2001) have demonstrated that. | GAMMA KNIFE RADIOSURGERY Edited by David Mathieu Gamma Knife Radiosurgery Edited by David Mathieu Published by InTech Janeza Trdine 9 51000 Rijeka Croatia Copyright 2011 InTech All chapters are Open Access distributed under the Creative Commons Attribution license which allows users to download copy and build upon published articles even for commercial purposes as long as the author and publisher are properly credited which ensures maximum dissemination and a wider impact of our publications. After this work has been published by InTech authors have the right to republish it in whole or part in any publication of which they are the author and to make other personal use of the work. Any republication referencing or personal use of the work must explicitly identify the original source. As for readers this license allows users to download copy and build upon published chapters even for commercial purposes as long as the author and publisher are properly credited which ensures maximum dissemination and a wider impact of our publications. Notice Statements and opinions expressed in the chapters are these of the individual contributors and not necessarily those of the editors or publisher. No responsibility is accepted for the accuracy of information contained in the published chapters. The publisher assumes no responsibility for any damage or injury to persons or property arising out of the use of any materials instructions methods or ideas contained in the book. Publishing Process Manager Vana Persen Technical Editor Teodora Smiljanic Cover Designer InTech Design Team Image Copyright Eraxion 2011. DepositPhotos First published December 2011 Printed in Croatia A free online edition of this book is available at Additional hard copies can be obtained from orders@ Gamma Knife Radiosurgery Edited by David Mathieu p. cm. ISBN 978-953-307-888-5 ikrrr iJ OPEN ACCESS INI Cvn PUBLISHER INTECH open free online editions of InTech .