INJURY OF THE COLLATERAL LIGAMENTS OF THE DISTAL INTERPHALANGEAL JOINT DIAGNOSED BY MAGNETIC RESONANCE

We describe the clinical, imaging, and necropsy findings of two horses with severe injury of the collateral ligaments of the distal interphalangeal (DIP) joint diagnosed using magnetic resonance (MR) imaging. In MR images it was possible to examine the collateral ligaments of the DIP joint from the...

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Bibliographic Details
Published in:Veterinary radiology & ultrasound 2005-01, Vol.46 (1), p.11-16
Main Authors: Zubrod, Chad J., Farnsworth, Kelly D., Tucker, Russell L., Ragle, Claude A.
Format: Article
Language:English
Subjects:
Animals
Collateral Ligaments - injuries
Collateral Ligaments - pathology
Diagnosis, Differential
Forelimb - injuries
Forelimb - pathology
horses
Horses - injuries
interphalangeal joint
Lameness, Animal - pathology
Magnetic Resonance Imaging - veterinary
Male
Toe Joint - injuries
Toe Joint - pathology
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Summary:We describe the clinical, imaging, and necropsy findings of two horses with severe injury of the collateral ligaments of the distal interphalangeal (DIP) joint diagnosed using magnetic resonance (MR) imaging. In MR images it was possible to examine the collateral ligaments of the DIP joint from the origin at the middle phalanx to the insertion on the distal phalanx. Both horses in this report had abnormal high signal intensity within the collateral ligaments of the DIP joint, and one horse had abnormal high signal intensity within the bone of the distal phalanx on short tau inversion recovery (STIR) and T2‐weighted imaging sequences. High signal intensity on STIR and T2‐weighted images represents abnormal fluid accumulation indicative of inflammation, within ligament, tendon, or bone on these imaging sequences. Abnormalities were confirmed on necropsy in both horses. Injury of the collateral ligaments of the DIP joint should be considered as a source of pain in horses with lameness localized to the foot.
ISSN:1058-8183
1740-8261
DOI:10.1111/j.1740-8261.2005.00002.x