Normal Findings in CT and MRI

Am Caritas-Krankenhaus

Dillingen/Saar

Germany

210 Illustrations

Am Caritas-Krankenhaus

Dillingen/Saar

Germany

Thieme

Stuttgart • New York 2000

Library of Congress Cataloging-in-Publication Data

Moeller, Torsten B. [CT- und MRT-Normalbefunde. English]

Normal findings in CT and MRI / Torsten B. Moller, Emil Reif. p. cm. Includes bibliographical references and index. ISBN 0-86577-864-7 (TNY). - ISBN 3-13-116521-9 (GTV) 1. Tomography. 2. Magnetic resonance imaging. 3. Reference values (Medicine) 4. Human anatomy. I. Reif, Emil. II. Title. [DNLM: 1. Magnetic Resonance Imaging. 2. Tomography, X-Ray Computed. WN 185 M726c 1999a] RC78.7.T6M6413 1999 616.07'57-dc21 DNLM/DLC

for Library of Congress

This book is an authorized and revised translation of the 1st German edition published and copyrighted 1998 by Georg Thieme Verlag, Stuttgart, Germany. Title of the German edition: CT-und MRT-Normalbefunde

Some of the product names, patents, and registered designs referred to in this book are in fact registered trademarks or proprietary names, even though specific reference to this fact is not always made in the text. Therefore, the appearance of a name without designation as proprietary is not to be construed as a representation by the publisher that it is in the public domain. This book, including all parts thereof, is legally protected by copyright. Any use, exploitation, or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to prosecution. This applies in particular to photostat reproduction, copying, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.

© 2000 Georg Thieme Verlag, Rüdigerstrasse 14, D-70469 Stuttgart, Germany Thieme New York, 333 Seventh Avenue, New York, NY 10001, USA

Typesetting by primustype R. Hurler GmbH, D-73274 Notzingen, Germany typeset on Textline/HerculesPro Cover design by Cyclus, Stuttgart Printed in Germany by Offizin Andersen Nexö, Leipzig

99-33663 CIP

Important Note: Medicine is an ever-changing science undergoing continual development. Research and clinical experience are continually expanding our knowledge, in particular our knowledge of proper treatment and drug therapy. Insofar as this book mentions any dosage or application, readers may rest assured that the authors, editors, and publishers have made every effort to ensure that such references are in accordance with the state of knowledge at the time of production of the book.

Nevertheless, this does not involve, imply, or express any guarantee or responsibility on the part of the publishers in respect to any dosage instructions and forms of application stated in the book. Every user is requested to examine carefully the manufacturer's leaflets accompanying each drug and to check, if necessary in consultation with a physician or specialist, whether the dosage schedules mentioned therein or the contraindications stated by the manufacturers differ from the statements made in the present book. Such examination is particularly important with drugs that are either rarely used or have been newly released on the market. Every dosage schedule or every form of application used is entirely at the user's own risk and responsibility. The authors and publishers request every user to report to the publishers any discrepancies or inaccuracies noticed.

To my father, Alfred Moeller, in love and gratitude

This book, like its conventional counterpart Normal Findings in Radiography, deals with the apparently banal subject of the normal. It addresses the question of how to recognize what is normal and how to describe normal findings. These questions are as important in computed tomography and magnetic resonance imaging as in other modalities. Even "sectional imaging" is based on the classical approach of reading images and formulating findings.

This book follows the same format used in Normal Findings in Radiography. Each section starts with a brief descriptive interpretation of normal findings in the region of interest. Next comes a checklist that follows the sequence of the descriptive text and provides a systematic framework for image interpretation. Some of the checklist entries offer phrasing suggestions that may be helpful in the formulation of findings. Most sections conclude with a table of "Important Data" listing the normal ranges of values for the most important measurable parameters. Of course, the "normal findings" presented here can only assist the radiologist in formulating his or her own findings. But regardless of whether we are taking a brief look or conducting a detailed evaluation, the system that is used in radiological interpretation should be reflected in the clarity and precision of the findings. This book is intended to further that goal.

We express sincere thanks to Alexandra Klaser, Sabine Mattil, Tanja Metzger, Monjuri Paul, Pia Saar-Schneider, Gisela Wagner, and especially Brigitte Schild for their help in compiling the CT and MR images. We also thank our colleagues Dr. Markus Bach, Dr. Christoph Buntru, Dr. Wolfgang Theobald, Dr. Albert Schmitt, Dr. Karl-Ernst Schmitt, Dr. Heike Rochelmayer, Dr. Pattrick Rosar, Dr. Lutger Henke, Dr. Klaus Kuhnen, and Dr. Christa Weller-Schweizer for their help and many suggestions, which helped see the book to its completion.

Dillingen, 1999 Torsten B. Moeller

Emil Reif

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