Wilbur L. Smith - Radiology 101: The Basics & Fundamentals of Imaging

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Third edition 2010 by LIPPINCOTT WILLIAMS & WILKINS, a WOLTERS KLUWER business
Second edition @ 2005 by LIPPINCOTT WILLIAMS & WILKINS, a WOLTERS KLUWER business
First edition @ 1999 by LIPPINCOTT WILLIAMS & WILKINS, a WOLTERS KLUWER business

All rights reserved. This book is protected by copyright. No part of this book may be reproduced in any form by any means, including photocopying, or utilized by any information storage and retrieval system without written permission from the copyright owner, except for brief quotations embodied in critical articles and reviews. Materials appearing in this book prepared by individuals as part of their official duties as U.S. government employees are not covered by the above-mentioned copyright.

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Library of Congress Cataloging-in-Publication Data
Radiology 101 : basics and fundamentals of imaging / editors, Wilbur L.
Smith, Thomas A. Farrell. Fourth edition.

p. ; cm.

Radiology one o one
Radiology one hundred one
Radiology one hundred and one
Basics and fundamentals of imaging
Includes bibliographical references and index.
ISBN 978-1-4511-4457-4 (alk. paper)

I. Smith, Wilbur L., editor of compilation. II. Farrell, Thomas A. (Clinical assistant professor of radiology), editor of compilation. III. Title: Radiology one o one. IV. Title: Radiology one hundred one. V. Title: Radiology one hundred and one. VI. Title: Basics and fundamentals of imaging.

[DNLM: 1. Diagnostic Imaging. 2. Radiology. WN 180]
RC78
616.0754dc23

2013025390

Care has been taken to confirm the accuracy of the information presented and to describe generally accepted practices. However, the authors, editors, and publisher are not responsible for errors or omissions or for any consequences from application of the information in this book and make no warranty, expressed or implied, with respect to the currency, completeness, or accuracy of the contents of the publication. Application of the information in a particular situation remains the professional responsibility of the practitioner.

The authors, editors, and publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accordance with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any change in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new or infrequently employed drug.

Some drugs and medical devices presented in the publication have Food and Drug Administration (FDA) clearance for limited use in restricted research settings. It is the responsibility of the health care provider to ascertain the FDA status of each drug or device planned for use in their clinical practice.

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10 9 8 7 6 5 4 3 2 1

A teacher affects eternity; he can never tell where his influence stops.

Henry Adams (American Philosopher)

Almost 25 years ago a jovial roguish man with a dry wit decided to devote the rest of his professional career to teaching students the art of radiology. Coming from a practice in the Midwest he decided to join the faculty at the University of Iowa to have some fun. His fun resulted in innumerable publications, grants, and teaching awards both national and university wide. His recognition of the need to spread his lighthearted and practical philosophy of learning led to the first three editions of this book. At the outset, Bill Erkonen was a practical man and insisted the book be written to let the reader have fun. The book has always been published in soft cover intentionally aiming to keep the costs low, within the budget of students. Bill is now fully retired and age is taking its toll but his spirit lives on in those he teaches and inspires today. This book is dedicated to his ongoing joy in teaching.

Wilbur Smith