COMPUTED TOMOGRAPHIC APPEARANCE OF THE TEMPOROMANDIBULAR JOINT IN 1018 ASYMPTOMATIC HORSES: A MULTI-INSTITUTION STUDY

Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association
James L CarmaltAstrid Bienert-Zeit

Abstract

Published descriptions of nonseptic arthritis of the equine temporomandibular joint (TMJ) are rare and large studies investigating variations in the TMJ for asymptomatic horses are lacking. The objectives of this cross-sectional, retrospective, multi-institutional study were to describe anatomical variations in the TMJ detected using computed tomography (CT) in an equid population asymptomatic for TMJ disease and determine whether these variations were associated with patient signalment, reason for CT examination, or CT slice width. Medical records at eight hospitals were searched for horses that had head/neck CT scans and no clinical signs of TMJ disease. Age, breed, sex, clinical presentation, and CT slice width data were recorded. Alterations in CT contour and density of the mandibular condyles, mandibular fossae, and TMJ intra-articular discs were described for each horse. Generalized logistic regression was used to test associations between anatomical variations and horse age. A total of 1018 horses were sampled. Anatomical variations were found in TMJ CT images for 40% of horses and 29% of joints. These were dichotomous with regard to age. Horses <1 year old commonly had alterations in the shape and density of the mandibu...Continue Reading

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Citations

Nov 11, 2017·Tissue Engineering. Part B, Reviews·Alejandro J AlmarzaMichael Detamore
Jul 31, 2018·American Journal of Veterinary Research·James L CarmaltCheryl L Waldner
Jun 25, 2019·Journal of Biomechanical Engineering·Alejandro J AlmarzaMichael S Detamore
Nov 26, 2019·American Journal of Veterinary Research·Travis T SmythJames L Carmalt
Jan 3, 2020·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·Amy NorvallDerek Cissell
Aug 21, 2020·Journal of Veterinary Dentistry·Elizabeth J ElzerKyla F Ortved

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