[fr] Le but de ce travail a été d’établir un ou plusieurs protocoles courts d’examen par résonance
magnétique du pied équin, en choisissant les séquences les plus appropriées dans un nombre
limité de coupes, permettant de visualiser différentes structures anatomiques. Trois pieds ont
été examinés avec plusieurs séquences utilisées pour le système ostéo-articulaire dans sept
plans différents (1 sagittal, 3 dorsaux et 3 transversaux). Un score numérique a été attribué aux structures évaluées pour chaque plan et chaque séquence utilisés. Ensuite, les séquences et plans avec les scores plus élevés ont été sélectionnés afin de proposer trois protocoles courts.
Le premier utilise principalement les séquences de spin écho, une séquence avec atténuation de
la graisse et une séquence plus spécifique pour l’évaluation du cartilage. Le deuxième protocole
utilise en plus les séquences d’écho de gradient intéressantes pour mettre en évidence les sites
d’hémorragie et le cartilage articulaire. Le troisième ajoute des plans de coupe particuliers : un
perpendiculaire à l’insertion distale du tendon fléchisseur profond du doigt et l’autre perpendiculaire aux ligaments collatéraux de l’articulation interphalangienne distale ainsi qu’une séquence supplémentaire alliant visualisation du cartilage et suppression de la graisse. [en] The purpose of this work was to establish one or several short protocols for magnetic resonance
imaging of the equine cadaver foot, using the most appropriated sequences in a limited number of planes, allowing the assessment of the anatomical structures. Three feet were scanned with most of the sequences used for evaluation of the osteo-articular system in seven different ection planes (1 sagittal, 3 dorsal and 3 transverse planes). The sequences and the planes in which the anatomical structures were best assessed were selected by scoring the visualization of the anatomical structures. Three short protocols are proposed. The first protocol uses spin echo sequences, one fat suppressed sequence and one sequence to evaluate the cartilage. The second adds gradient echo sequences to show the sites of haemorrhage and the articular cartilage. The third protocol adds special section planes, the first perpendicular to the distal insertion of the deep digital flexor tendon and the second perpendicular to the collateral ligaments of the distal interphalangeal joint and adds another sequence combining cartilage visualization and fat suppression.
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Bolen, Géraldine ; Université de Liège - ULiège > Département clinique des animaux de compagnie et des équidés > Département clinique des animaux de compagnie et des équidés
Haye, Dimitri
Maquet, Nathalie
Dondelinger, Robert ; Université de Liège - ULiège > Département des sciences cliniques > Département des sciences cliniques
Busoni, Valeria ; Université de Liège - ULiège > Département clinique des animaux de compagnie et des équidés > Imagerie médicale
Language :
French
Title :
Choix optimisé des plans et séquences utilisés pour l’examen par résonance magnétique du pied équin
Alternative titles :
[en] Optimized choice of section planes and sequences for magnetic resonance imaging of the equine foot
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