Metaphorical Signs in Computed Tomography of Chest and Abdomen PDF
Preview Metaphorical Signs in Computed Tomography of Chest and Abdomen
Andrey Yudin Metaphorical Signs in Computed Tomography of Chest and Abdomen 123 Metaphorical Signs in Computed Tomography of Chest and Abdomen Andrey Yudin Metaphorical Signs in Computed Tomography of Chest and Abdomen Andrey Yudin Department of Radiology Russian National Research Medical University Moscow Russia The Work was fi rst published in 2012 by Prof. Dr. Andrey Yudin. ISBN 978-3-319-04012-7 ISBN 978-3-319-04013-4 (eBook) DOI 10.1007/978-3-319-04013-4 Springer Cham Heidelberg New York Dordrecht London Library of Congress Control Number: 2014933396 © Springer International Publishing Switzerland 2014 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifi cally the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfi lms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. Exempted from this legal reservation are brief excerpts in connection with reviews or scholarly analysis or material supplied specifi cally for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. Duplication of this publication or parts thereof is permitted only under the provisions of the Copyright Law of the Publisher's location, in its current version, and permission for use must always be obtained from Springer. Permissions for use may be obtained through RightsLink at the Copyright Clearance Center. Violations are liable to prosecution under the respective Copyright Law. T he use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specifi c statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. While the advice and information in this book are believed to be true and accurate at the date of publication, neither the authors nor the editors nor the publisher can accept any legal responsibility for any errors or omissions that may be made. The publisher makes no warranty, express or implied, with respect to the material contained herein. Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com) From the Author Cadillac Eldorado 1957 m odel . Andrey Yudin was born in 1957. Much in common: the same age, the exclusive models, all options, in good working condi- tions, with no rot and rust, sit down and drive, some problems on the body, etc. … Long ago in some of the radiology papers, I found a discussion concerning the peculiari- ties of the names of symptoms: if they are given the names of the authors, then we do not understand their meaning (after all, our specialty is largely metaphorical), and if we have a picturesque description of the image, then it is sometimes excessively emotional. As an v vi From the Author e xample of a failed metaphorical formation, they cited the “1957 Cadillac Lights” sign. Not everyone in the world does know about this car; who knows? However, the well-known saying insists: “If you did one million bucks – buy the pink Cadillac to success unless that luck turns away!” I hope this publication will help you get lucky in our profession. Enjoy imaginative percep- tion of radiology! I want to tell the truth which I do not know, but I’m looking for it. Professor A. Yudin Contents Saber-Sheath Trachea ..................................................................................................... 1 Eggshell Calcifi cation and Rim Enhancement ............................................................. 3 Split Pleura Sign .............................................................................................................. 5 Consolidation ................................................................................................................... 7 Ground-Glass Opacity and Black Bronchus Sign ........................................................ 9 Bat Wing, Butterfl y, or Angel Wing Sign ...................................................................... 11 Crazy-Paving Sign ........................................................................................................... 13 Honeycombing ................................................................................................................. 15 Vanishing Lung ............................................................................................................... 17 Mosaic Perfusion or Mosaic Lung Sign ........................................................................ 19 Air Trapping .................................................................................................................... 21 Swiss Cheese Appearance ............................................................................................... 23 Feeding Vessel Sign or Fruits on the Branch Sign ....................................................... 25 Snowstorm Sign and Cannonball Metastases ............................................................... 27 Air Bronchograms and Pseudocavitations ................................................................... 29 Halo Sign .......................................................................................................................... 31 Corona Radiata or Corona Maligna and Pleural Tail Sign ........................................ 33 Positive Bronchus Sign ................................................................................................... 35 Umbilical Retraction Sign or Rigler Incisura .............................................................. 37 Popcorn Sign and Bull’s Eye Calcifi cations .................................................................. 39 Target Calcifi cation Sign ................................................................................................ 41 Satellite Foci and Galaxy Sign ....................................................................................... 43 Rounded Atelectasis, Comet-Tail Sign, and Crow’s Foot Sign ................................... 45 Tree-in-Bud Sign ............................................................................................................. 47 Air Crescent Sign ............................................................................................................ 49 Signet Ring Sign, Tram-Tracking Sign, String of Pearls, and Cluster of Grapes ........... 51 Finger-in-Glove or Hand-in-Glove Sign ........................................................................ 53 Atoll or Reversed Halo Sign ........................................................................................... 55 vii viii Contents Parachute Sign ................................................................................................................ 57 Atelectasis Discoidea, Atelectasis Lamellosa, or Platelike Atelectasis ....................... 59 Mesa, Tafelberg, or Table Mountain Sign..................................................................... 61 Pleural Mouse, Fibrin Body, Fibrin Ball, and Thoracolith ......................................... 63 Draped Aorta Sign .......................................................................................................... 65 Sentinel Clot Sign ............................................................................................................ 67 Intimal Flap and Beak Sign ........................................................................................... 69 Cobweb Sign and Mercedes-Benz Sign ......................................................................... 71 Hyperdense Crescent Sign and Beret Sign ................................................................... 73 Web Sign and White (Calcifi ed) Pulmonary Arteries ................................................. 75 Marble Liver Sign or Fatty Liver (Foie Gras) .............................................................. 77 Geographic Liver ............................................................................................................ 79 Boxing Glove Sign ........................................................................................................... 81 Confl uent Fibrosis ........................................................................................................... 83 Bull’s Eye Sign ................................................................................................................. 85 Lacelike Fibrosis and Salt and Pepper Sign ................................................................. 87 White Liver Sign ............................................................................................................. 89 Periportal Halo ................................................................................................................ 91 Ripples in the Water Sign or Target Sign ..................................................................... 93 Cluster of Grapes Sign .................................................................................................... 95 Water Lily Sign or Snake Sign ....................................................................................... 97 Bright Dot Sign and Iris or Eye Diaphragm Sign ........................................................ 99 Stellate Scar Sign or Spoke-Wheel Pattern .................................................................. 101 Funeral Frame Sign, Rim Enhancement, and Target-Like Appearance ................... 103 Double Duct Sign............................................................................................................. 105 Central Dot Sign .............................................................................................................. 107 Mercedes-Benz Sign ........................................................................................................ 109 Porcelain or Incrusted Gallbladder Sign ...................................................................... 111 Annular Pancreas ............................................................................................................ 113 Lake Chain Sign or String of Beads Sign and Pancreas with Sausage-Like Form and Hypodense Halo ............................................................ 115 Honeycomb or Spongelike Mass and Spoke-Wheel Sign ............................................ 117 Fetal Lobulation or Lobation and Column of Bertin Hypertrophy ........................... 119 Horseshoe Kidney ........................................................................................................... 121 White Pyramids Sign ...................................................................................................... 123 Claw Sign or Beak Sign .................................................................................................. 125 Contents ix Faceless Kidney Sign ....................................................................................................... 127 Swiss Cheese Sign ............................................................................................................ 129 Stellate Scar Sign or Starlike Scar Sign and Spoke-Wheel Pattern ........................... 131 Fan Sign, Wedge-Shaped or Striated Enhancement, and Patchy Nephrogram ........ 133 Medullary Sponge Kidney and Paintbrush Appearance ............................................. 135 Putty Kidney Sign ........................................................................................................... 137 Cortical Rim Sign and Reversed Rim Sign ................................................................... 139 String of Beads Sign or String of Pearls Sign ............................................................... 141 Soft Tissue Rim Sign and Comet Sign ........................................................................... 143 Whirlpool, Whirl, Swirl, and Whirling Sign ................................................................ 145 Comb Sign........................................................................................................................ 147 Stratifi ed Attenuation, Double Halo Sign, and Target Sign ........................................ 149 Target Sign, Sausage-Shaped Mass, and Reniform or Kidney-Shaped Bowel .......... 151 Fat Halo Sign ................................................................................................................... 153 Accordion Sign ................................................................................................................ 155 Rim Enhancement or Target Sign ................................................................................. 157 Soap Bubble Appearance and Small Bowel Feces Sign ............................................... 159 Ring Sign .......................................................................................................................... 161 Omental Cake Sign ......................................................................................................... 163 Sandwich Sign ................................................................................................................. 165 Misty Mesentery Sign and Fat Halo Sign ..................................................................... 167 Dirty Fat Sign .................................................................................................................. 169 Hematocrit Sign .............................................................................................................. 171 Recommended Literature .............................................................................................. 173 Index ................................................................................................................................. 175
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