Today's Veterinary Practice

JUL-AUG 2012

Today's Veterinary Practice provides comprehensive information to keep every small animal practitioner up to date on companion animal medicine and surgery as well as practice building and management.

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| IMAGING ESSENTIALS When Angles Are Off In dogs with angular limb deformities, the elbow BOE DBSQBM KPJOU NBZ OPU CF BEFRVBUFMZ BMJHOFE for accurate assessment. Placing the limbs at VOVTVBM BOHMFT NBZ CF SFRVJSFE UP DPSSFDUMZ align the x-ray beam with the joint space. UÊThe mediolateral projectionÊovÊÌhiÊi«iVon`ÞliÃÊov the hÕmiÀÕÃÊÃhoÕl`ÊLiÊÃÕ«iÀim«oÃi`]ÊÜiÌhÊjoinÌÊë>ViÃÊ LiÌÜiinÊÌhiÊhÕmiÀÕÃÊ>n`ÊÀ>`iÕÃ]ÊÀ>`iÕÃÊ>n`ÊhÕmiÀ- ÕÃ]Ê>n`ÊÕln>Ê>n`ÊhÕmiÀÕÃÊFigures 1B and 1C®° UÊThe craniocaudal projection should align the ÌÕLiÀÊoliVÀ>nonÊ>n`Ê«ÀoÝim>lÊ«oÀÌionÊovÊ ÌhiÊÕln>]Ê ÃÕ«iÀim«oÃin}ÊÌhimÊoÛiÀÊÌhiÊVinÌiÀÊovÊÌhiÊhÕmiÀ>lÊ Von`ÞliÊ >n`Ê ÃÕ«À>Von`Þl>ÀÊ voÀ>minÊ ovÊ ÌhiÊ `iÃÌ>lÊ hÕmiÀÕÃÊFigures 2B and 2C®° UÊNote: » 7hinÊiÛ>lÕ>Ìin}ÊÌhiÊVÀ>nioV>Õ`>lÊim>}i]ÊÌhiÊV>«iÌ- ÕlÕmÊl>ÌiÀ>l®Ê>n`ÊÌÀoVhli>Êmi`i>l®ÊjoinÊÌo}iÌhiÀÊ VinÌÀ>llÞÊ>ÌÊ>ÊjÕnVÌionÊÃiÌiÊÌh>ÌÊ«oinÌÃÊÌoÜ>À`ÊÌhiÊ «ÀoÝim>lÊ>ëiVÌÊovÊ ÌhiÊhÕmiÀÕÃÊmiÌ>«hÞÃiÃÊ>n`Ê `i>«hÞÃiî° » /hiÃÊjÕnVÌionÊÃiÌiÊLiÌÜiinÊÌhiÊÌÀoVhli>Ê>n`ÊV>«iÌ- ÕlÕmÊ ÃhoÕl`Ê LiÊ ÃÕ«iÀim«oÃi`Ê oÛiÀÊ ÌhiÊmi``liÊ ovÊÌhiÊoliVÀ>non]ÊLiÌÜiinÊÌhiÊmi`i>lÊ>n`Êl>ÌiÀ>lÊ cortices, which allows the practitioner to evalu- >ÌiÊÜhiÌhiÀÊoÀÊnoÌÊ inVom«liÌiÊoÃÃiviV>ÌionÊovÊ ÌhiÊ `iÃÌ>lÊ hÕmiÀ>lÊ Von`ÞliÊ iÃÊ «ÀiÃinÌ°Ê vÊ «ÀiÃinÌ]Ê >Ê À>`iolÕVinÌÊ liniÊ iÃÊÃiinÊiÝÌin`in}Ê vÀomÊÌhiÊ joinÌÊ ÃÕÀv>ViÊÌoÊÌhiÊÃÕ«À>Von`Þl>ÀÊvoÀ>min° Antebrachium ÃÊ >LoÛi]Ê onViÊ ÌhiÊ `iÃiÀi`Ê ÌiVhniµÕiÊ >n`Ê «oÃiÌion- in}Ê h>ÛiÊ LiinÊ >ÌÌ>ini`]Ê m>kiÊ ÃÕÀiÊ ÌhiÊ >««Ào«Ài>ÌiÊ >n>ÌomÞÊiÃÊinVlÕ`i`° UÊThe mediolateral and craniocaudal projections of the antebrachiumÊÃhoÕl`ÊinVlÕ`iÊÌhiÊmi`ÊmiÌ>- V>À«>lÊliÛilÊ>n`Ê`iÃÌ>lÊÌhiÀ`ÊovÊÌhiÊhÕmiÀÕð UÊThe mediolateral projection should show the cubital >n`ÊV>À«>lÊjoinÌÃÊinÊÌÀÕiÊl>ÌiÀ>lÊ«oÃiÌionÆÊnoÌÊoLliµÕi`Ê ÌoÜ>À`ÊoÀÊ>Ü>ÞÊvÀomÊÌhiÊÌ>LliÉV>ÃÃiÌÌi°Ê ii«ÊinÊmin`]Ê hoÜiÛiÀ]Ê Ìh>ÌÊ Ý-À>ÞÊ Li>mÊ `iÛiÀ}inViÊ ÜillÊ `iVÀi>ÃiÊ ÛiÃÕ>liâ>ÌionÊ ovÊ ÌhiÊ joinÌÊ Ã«>ViÃÊÜhinÊ Vom«>Ài`Ê ÌoÊ Radiographic Technique The focus of the articles in this series has been on technical positioning of a patient rather than the factors that impact actual generation of the JNBHF )PXFWFS UFDIOJRVFT IBWF CFFO TVHHFTU- ed throughout the series that provide a frame of reference for obtaining a diagnostic radiograph. See Small Animal Thoracic Radiography 4FQUFNCFS 0DUPCFS GPS B NPSF JO EFQUI EJTDVTTJPO PO SBEJPHSBQIJD UFDIOJRVF 50 Today's Veterinary Practice July/August 2012 im>}iÃÊ vÀomÊ ÌhiÊ `o}Ê oLÌ>ini`ÊÜiÌhÊ ÌhiÊ Ý-À>ÞÊ Li>mÊ VinÌiÀi`Ê`iÀiVÌlÞÊoÛiÀÊÌhiÊin`iÛi`Õ>lÊjoinÌî° UÊThe craniocaudal projectionÊÃhoÕl`ÊÃÕ«iÀim«oÃiÊ >n`Ê VinÌiÀÊ ÌhiÊ ÌÕLiÀÊoliVÀ>nonÊovÊ ÌhiÊÕln>ÊÜiÌhinÊ ÌhiÊ `iÃÌ>lÊ hÕmiÀ>lÊ Von`Þli°Ê /hiÊ V>À«ÕÃÊ ÃhoÕl`Ê LiÊ vl>ÌÊ >}>inÃÌÊ ÌhiÊ Ì>LliÉV>ÃÃiÌÌiÊ >n`Ê ÃhoÕl`Ê noÌÊ LiÊ ÀoÌ>Ìi`ÊinÊiiÌhiÀÊ>ÊÃÕ«in>Ìi`ÊoÀÊ«Àon>Ìi`Ê«oÃiÌion° UÊNote: » ,>`io}À>«hiVÊ «ÀojiVÌionÃÊ ovÊ ÌhiÊ >nÌiLÀ>VhiÕmÊ iÛ>lÕ>ÌiÊÌhiÊÀ>`iÕÃÊ>n`ÊÕln>ÊinÊÌhiiÀÊinÌiÀiÌÞ°ÊÊ » /hiÃÊ «ÀojiVÌionÊ ÃhoÕl`Ê noÌÊ Ài«l>ViÊ À>`io}À>«hiVÊ iÝ>min>ÌionÊovÊÌhiÊilLoÜÊoÀÊV>À«>lÊjoinÌðÊ■ Suggested Reading Burk RL, Feeney DA. Small Animal Radiology and Ultrasonography: A Diag- nostic Atlas and Text, 3rd ed. Philadelphia: Saunders Elsevier, 2003. Kealy JK, McAllister H, Graham JP. Diagnostic Radiology and Ultrasonogra- phy of the Dog and Cat, 5th ed. Philadelphia: Saunders Elsevier, 2011. Sirois M, Anthony E, Mauragis D. Handbook of Radiographic Positioning for Veterinary Technicians. Clifton Park, NY: Delmar Cengage Learning, 2010. Thrall DE (ed). Textbook of Veterinary Radiology, 5th ed. Philadelphia: Saunders Elsevier, 2008. Thrall DE, Robertson ID. Atlas of Normal Radiographic Anatomy and Anatomic Variants in the Dog and Cat. Philadelphia: Elsevier Saunders, 2011. Danielle Mauragis, CVT, is a radiology technician at University of Florida College of Veterinary Medicine. She teaches veterinary students all aspects of the physics of diagnostic imaging, quality control of radiographs, positioning of small and large animals, and radiation safety. Ms. Mauragis coauthored the Handbook of Radiographic Positioning for Veterinary Technicians (2009) and was the recipient of the Florida Veterinary Medical Association's 2011 Certified Veterinary Technician of the Year Award. This award recognizes an individual for the many outstanding contributions that person has made to the overall success of the veterinary practice operated or staffed by an FVMA member veterinarian. Clifford R. Berry, DVM, Diplomate ACVR, is a professor in diagnostic imaging at the University of Florida College of Veterinary Medicine. His research interests include cross- sectional imaging of the thorax, nuclear medicine applications in veterinary medicine, and biomedical applications of imaging in human and veterinary medicine. Dr. Berry has been a faculty member at North Carolina State University and University of Missouri. He received his DVM from University of Florida and completed a radiology residency at University of California–Davis.

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