i This page intentionally left blank iii A u s t r a l i a • C a n a d a • M e x i c o • S i n g a p o r e • S p a i n • U n i t e d K i n g d o m • U n i t e d S t a t e s Margi Sirois, EdD, MS, RVT Program Director of Veterinary Technology Penn Foster College Scottsdale, AZ Elaine Anthony, MA, CVT St. Petersburg College St. Petersburg, FL Danielle Mauragis, CVT University of Florida Gainesville, FL © 2010 Delmar Cengage Learning ALL RIGHTS RESERVED. No part of this work covered by the copyright herein may be reproduced, transmitted, stored, or used in any form or by any means graphic, electronic, or mechanical, including but not limited to photocopying, recording, scanning, digitizing, taping, Web distribution, information networks, or information storage and retrieval systems, except as permitted under Section 107 or 108 of the 1976 United States Copyright Act, without the prior written permission of the publisher. For product information and technology assistance, contact us at Cengage Learning Customer & Sales Support, 1-800-354-9706 For permission to use material from this text or product, submit all requests online at www.cengage.com/permissions. Further permissions questions can be e-mailed to permissionrequest@cengage.com Library of Congress Control Number: 2009905813 ISBN-13: 978-1-4354-2603-0 ISBN-10: 1-4354-2603-7 Delmar 5 Maxwell Drive Clifton Park, NY 12065-2919 USA Cengage Learning is a leading provider of customized learning solutions with of ce locations around the globe, including Singapore, the United Kingdom, Australia, Mexico, Brazil, and Japan. Locate your local of ce at: international. cengage.com/region Cengage Learning products are represented in Canada by Nelson Education, Ltd. To learn more about Delmar, visit www.cengage.com/delmar Purchase any of our products at your local college store or at our preferred online store www.ichapters.com Notice to the Reader Publisher does not warrant or guarantee any of the products described herein or perform any independent analysis in connection with any of the product in- formation contained herein. Publisher does not assume, and expressly disclaims, any obligation to obtain and include information other than that provided to it by the manufacturer. The reader is expressly warned to consider and adopt all safety precautions that might be indicated by the activities described herein and to avoid all potential hazards. By following the instructions contained herein, the reader willingly assumes all risks in connection with such instructions. The publisher makes no representations or warranties of any kind, including but not limited to, the warranties of fi tness for particular purpose or merchantability, nor are any such representations implied with respect to the material set forth herein, and the publisher takes no responsibility with respect to such material. The publisher shall not be liable for any special, consequential, or exemplary damages resulting, in whole or part, from the readers’ use of, or reliance upon, this material. Handbook of Radiographic Positioning for Veterinary Technicians Margi Sirois, Danielle Mauragis, and Elaine Anthony Vice President, Career and Professional Editorial: Dave Garza Director of Learning Solutions: Matthew Kane Acquisitions Editor: Benjamin Penner Managing Editor: Marah Bellegarde Senior Product Manager: Darcy M. Scelsi Editorial Assistant: Scott Royael Vice President, Career and Professional Marketing: Jennifer McAvey Marketing Manager: Erin Brennan Marketing Coordinator: John Sheehan Production Director: Carolyn Miller Production Manager: Andrew Crouth Content Project Manager: Allyson Bozeth Art Director: Dave Arsenault Printed in the United States of America 1 2 3 4 5 6 7 12 11 10 09 08 www.cengage.com/permissions www.cengage.com/delmar www.ichapters.com v PREFACE viii CHAPTER 1 General Principles of Small Animal Radiographic Positioning Patient Preparation 2 Directional Terminology 2 Positioning Aids 4 Procedures for Radiographic Positioning 5 CHAPTER 2 Thoracic Radiographs Lateral Projection of the Thorax 10 VD Projection of the Thorax 12 DV Projection of the Thorax 14 Standing Lateral Projection of the Thorax 16 CHAPTER 3 Abdominal Radiographs Lateral Projection of the Abdomen 20 VD Projection of the Abdomen 22 CHAPTER 4 Pelvic Radiographs VD-Extended Hip Projection 26 VD Frog Leg Projection 28 Lateral Projection of the Pelvis 30 CHAPTER 5 Forelimb Radiographs CdCr Projection of the Shoulder 34 Lateral Projection of the Shoulder 36 CdCr Projection of the Scapula 38 Lateral Projection of the Scapula 40 CdCr Projection of the Humerus 42 Lateral Projection of the Humerus 44 CrCd Projection of the Elbow 46 Lateral Projection of the Elbow 48 Flexed Lateral Projection of the Elbow 50 CrCd Projection of the Radius and Ulna 52 Lateral Projection of the Radius and Ulna 54 Dorsopalmar Projection of the Carpus 56 Lateral Projection of the Carpus 58 Flexed Lateral Projection of the Carpus 60 Extended Lateral Projection of the Carpus 62 Lateral and Medial Oblique Projections of the Carpus 64 Dorsopalmar Projection of the Metacarpals 66 Lateral Projection of the Metacarpals 68 Dorsopalmar Projection of the Digits 70 Lateral Projection of the Digits 72 CHAPTER 6 Hindlimb Radiographs Lateral Projection of the Femur 76 Craniocaudal Projection of the Femur 78 Table of Contents vi Table of Contents Caudocranial Projection of the Stifl e 80 Lateral Projection of the Stifl e 82 Caudocranial Projection of the Tibia and Fibula 84 Lateral Projection of the Tibia 86 Dorsoplantar Projection of the Tarsus 88 Lateral Projection of the Tarsus 90 Flexed Lateral Projection of the Tarsus 92 Extended Lateral Projection of the Tarsus 94 Dorsolateral/Plantaromedial Oblique Projection of the Tarsus 96 Dorsomedial/Plantarolateral Oblique Projection of the Tarsus 98 Dorsoplantar Projection of the Metatarsus 100 Lateral Projection of the Metatarsus 102 Dorsopalmar Projection of the Digits 104 Lateral Projection of the Digits 106 CHAPTER 7 Skull Radiographs Lateral Projection of the Skull 110 DV Projection of the Skull 112 VD Projection of the Skull 114 Rostrocaudal Sinuses Closed Mouth Projection 116 Rostrocaudal Foramen Magnum Projection 118 VD Rostrocaudal Nasal Open Mouth Projection 120 Rostrocaudal Tympanic Bullae Open Mouth Projection 122 DV Tympanic Bullae Projection 126 Lateral Oblique Tympanic Bullae Projection 128 Lateral Oblique Temporomandibular Joint Projection 130 DV Temporomandibular Joint Projection 132 CHAPTER 8 Dental Radiographs Canine Upper Incisor Arcade 137 Canine Upper Canine Tooth 138 Canine Upper Premolars 139 Canine Upper Fourth Premolars and Molars 140 Canine Lower Incisor Arcade 141 Canine Lower Canine Tooth and Lower Premolar Arcade 142 Canine Lower Premolar Arcade 143 Canine Lower Molars 144 Feline Upper Incisor Arcade 145 Feline Upper Canine Tooth 146 Feline Upper Premolars and Molar 147 Feline Lower Incisor Arcade 148 Feline Lower Canine Tooth 149 Feline Lower Premolars and Molar Arcade 150 CHAPTER 9 Spinal Radiographs VD Cervical Spine Projection 152 Lateral Cervical Spine Projection 154 Lateral Cervical Spine Extended Projection 156 Lateral Cervical Spine Flexed Projection 158 VD Thoracic Spine Projection 160 Lateral Thoracic Spine Projection 162 VD Thoracolumbar Spine Projection 164 Lateral Thoracolumbar Spine Projection 166 VD Lumbar Spine Projection 168 Lateral Lumbar Spine Projection 170 VD Lumbosacral Spine Projection 172 Lateral Lumbosacral Spine Projection 174 VD Coccygeal (Caudal) Spine Projection 176 Lateral Coccygeal (Caudal) Spine Projection 178 Table of Contents vii CHAPTER 10 Radiography of Avian and Exotic Animals General Principles of Restraint 182 Lateral View of the Avian Patient 184 Ventrodorsal View of the Avian Patient 186 Dorsoventral View of the Lizard