Case Files™ Neuroscience EUGENE C.TOY, MD The John S. Dunn Senior Academic Chief and Program Director Obstetrics and Gynecology Residency Program The Methodist Hospital, Houston Clerkship Director and Clinical Associate Professor Department of Obstetrics and Gynecology University of Texas Medical School at Houston Houston,Texas RAHUL JANDIAL, MD, PhD Clinical Instructor Neurosurgeon Division of Neurosurgery University of California at San Diego Medical Center Burnham Institute for Medical Research The Center for Neurosciences and Aging San Diego, California EVAN YALE SNYDER, MD, PhD Professor and Director, Stem Cell & Regeneration Program University of California at San Diego Medical Center Burnham Institute for Medical Research The Center for Neurosciences and Aging San Diego, California MARTIN T. PAUKERT, MD First Year Resident Department of Surgery University of Washington School of Medicine Seattle, Washington Formerly Medical Student University of Texas Medical School at Houston Houston,Texas New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi San Juan Seoul Singapore Sydney Toronto Copyright © 2009 by The McGraw-Hill Companies, Inc. All rights reserved. Manufactured in the United States of America. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher. 0-07-164312-5 The material in this eBook also appears in the print version of this title: 0-07-148921-5. All trademarks are trademarks of their respective owners. Rather than put a trademark symbol after every occurrence of a trademarked name, we use names in an editorial fashion only, and to the benefit of the trademark owner, with no intention of infringement of the trademark. Where such designations appear in this book, they have been printed with initial caps. McGraw-Hill eBooks are available at special quantity discounts to use as premiums and sales promotions, or for use in corporate training programs. For more information, please contact George Hoare, Special Sales, at
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