AAEP Annual Convention Las Vegas 2009
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Computed Tomography and Magnetic Resonance Imaging of the Equine Temporomandibular Joint Anatomy: Technique and Normal Appearance in Cadaveric Specimens

Author(s):

M.J. Rodríguez, A. Agut, O. Lopez...

In: AAEP Annual Convention - Las Vegas, 2009 by American Association of Equine Practitioners
Updated:
DEC 09, 2009
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1. Introduction
Difficulties in diagnosing temporomandibular joint (TMJ) disorders may be because of its anatomical complexity, especially when radiography is used. Little previous attention has been given either to computed tomography (CT) and magnetic resonance imaging (MRI) protocols or to the interpretation of the structures displayed in the images of the normal joint in horses. The aim of this study was to provide a CT and MRI atlas of the normal sectional anatomy of the equine TMJ.

2. Materials and Methods
TMJs from 12 Spanish Purebred cadaver horses underwent CT and MRI examination. CT scans were processed with an appropriate algorithm in transverse, sagittal, and dorsal planes. The MRI protocol consisted of four sequences (spin-echo T1- weighting, gradient-echo T2-weighting, fat-suppressed fast proton density weighting and fast spinecho T2-weighting) in oblique sagittal, transverse, and dorsal planes. Anatomical cryosections were obtained for each plane (1 plane/articulation) and then photographed and plastinated to assist the interpretation. [...]

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Affiliation of the authors at the time of publication

Department of Medicine and Surgery, Veterinary School, University of Murcia, 30100 Espinardo, Murcia, Spain (Rodríguez, Agut, Soler); Department of Anatomy and Comparative Anatomy, Veterinary School, University of Murcia, 30100 Espinardo, Murcia, Spain (Lopez-Albors, Latorre); and Faculty of Veterinary Medicine and Zootechny, Autonomous University of the State of Mexico, Mexico D.F. (Arredondo)

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