Standing low‐field magnetic resonance imaging of a comminuted central tarsal bone fracture in a horse

Bolt, David M.; Read, Rachel Mercedes; Weller, R.; Sinclair, Charlotte; David, Frédéric H

doi:10.1111/eve.12019

Cited by 6 publications

(7 citation statements)

References 15 publications

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“…Now, with regard to the MRI, it was obtained via a low-field MRI magnet which provided us with an appropriate visualization of the normal structures of the tarsal joint. In the case of horses and dogs [4, 13–15], low-field intensity protocols for the study of the tarsal joint have been reported, as well as high-field magnet studies [2, 9]. Both have provided good resolution images.…”

Section: Discussionmentioning

confidence: 99%

“…In our research, we used pulse sequences (SE T1-weighted and GE STIR T2-weighted) that made possible for us to adequately observe the main anatomical structures of several joints (tarsocrural, intertarsal and tarsometatarsal), most noticeably in the case of the SE T1-weighted images related to the GE STIR T2-weighted images. The tarsus joints of dogs [9] and horses [4, 5, 14] have been studied by using a similar MRI sequences, although Bolt et al [15] only applied SE T1-weighted images to diagnose a central tarsal bone fracture in a horse.…”

Section: Discussionmentioning

confidence: 99%

“…In veterinary medicine, both techniques have been used in anatomical studies of two mammal groups in the tarsal region (equines [2–6] and canines [7–9]). Also, the clinical application of these techniques (CT [10–12] and MRI [13–15]) could be proved during the assessment of musculoskeletal disorders related to these joints and associated structures of these two groups. In the case of felines, we can refer to CT having been used for transverse implant placement [16] and for the diagnosis of infections [17] in the tarsus.…”

Section: Introductionmentioning

confidence: 99%

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Computed tomography and magnetic resonance imaging study of a normal tarsal joint in a Bengal tiger (Panthera tigris)

Arencibia

Matos

Encinoso³

et al. 2019

BMC Vet Res

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Background In this research, using computed tomography (CT) and magnetic resonance imaging (MRI), we provide a thorough description of the standard appearance of a right tarsal joint in a Bengal tiger ( Panthera tigris ). CT scans were performed using a bone and soft tissue window setting, and three-dimensional surface reconstructed CT images were obtained. The MRI protocol was based on the use of Spin-echo (SE) T1-weighted and Gradient-echo (GE) STIR T2-weighted pulse sequences. Magnetic resonance (MR) images were taken in the transverse, sagittal and dorsal planes. We also performed anatomical dissections to facilitate the interpretation of the different structures of the tarsus joint and allow comparisons with CT and MRI images. Results The CT images allowed us to observe differences between the bones and soft tissues of the tarsal joint. When applying the bone window setting, the obtained footage showed the anatomy between the medulla and cortex. Additionally, the trabecular bone was delineated. By contrast, the soft tissue window allowed the main soft tissue structures of the tarsal joint, including ligaments, muscles and tendons, to be differentiated. Footage of the main anatomical structures of the standard tiger tarsus was obtained through MRI. The SE T1-weighted images showed the best evaluation of the cortical, subchondral and trabecular bone of the tibia, fibula, tarsus and metatarsus bones. Nonetheless, the GE STIR T2-weighted images allowed us to better visualize the articular cartilage and synovial fluid. In both MRI pulse sequences, the ligaments and tendons appeared with low signal intensity compared with muscles that were visible with intermediate signal intensity. Conclusions The results of this CT and MRI study of the Bengal tiger tarsal joint provide some valuable anatomical information and may be useful for diagnosing disorders in this large non-domestic cat.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Computed tomography and magnetic resonance imaging study of a normal tarsal joint in a Bengal tiger (Panthera tigris)

Arencibia

Matos

Encinoso³

et al. 2019

BMC Vet Res

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“…While high-field MRI might be the preferred imaging technique in regards to image quality, this does not preclude a use for standing MRI of the hock. In cases where the area of interest is well known from a scintigraphy (Fig 5) or from another diagnostic modality such as radiographs, as was the case in the article by Bolt et al (2013), the use of standing MRI might be preferred and can provide diagnostically useful images. In many geographic areas, standing MRI may be the only modality choice available.…”

Section: Fig 2: T2 Stir Transverse Image Of a Region Of High Signal Cmentioning

confidence: 99%

“…Depending on the specific case, the relative risks vs. reward of the modality choice must be weighed in light of the questions that are being asked. In the article by Bolt et al (2013) in this issue, the authors describe a case in which a recovery accident from a general anaesthetic resulted in a significant injury to the central tarsal bone of the hock. Radiographic evaluation identified the lesion, but the severity and anatomical configuration of the fracture was difficult to ascertain with certainty.…”

mentioning

confidence: 99%