Magnetic resonance protocols in equine lameness examination, used sequences, and interpretation

Jaskólska, M.; Adamiak, Z.; Zhalniarovich, Y.; Holak, Piotr; Przyborowska, P.

doi:10.2478/pjvs-2013-0115

Cited by 4 publications

(5 citation statements)

References 56 publications

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“…16 In a study of Beagles, Kii et al evaluated lateral ventricles based on the percentage of Vh to Bh. 17 Based on the resulting values, ventricles were classified as: normal-sized (0-14%), moderately enlarged (15-25%) and severely enlarged (>25%).…”

Section: Discussionmentioning

confidence: 99%

“…The success of MRI relies on the choice of the appropriate examination protocol. 17 MRI sequences are designed by exploiting differences in the behaviour of hydrogen protons in various tissues exposed to a changing magnetic field. T1-weighted, T2-weighted and fluid-attenuated inversion recovery sequences are most commonly used for scanning brain tissues.…”

Section: Discussionmentioning

confidence: 99%

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Quantification of cerebral lateral ventricular volume in cats by low- and high-field MRI

Przyborowska

Adamiak

Zhalniarovich

2016

Journal of Feline Medicine and Surgery

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Objectives The aim of this study was to evaluate variations in lateral ventricles in the examined feline population with the use of quantitative analysis methods to determine whether sex or body weight influenced the size of the ventricles, and to identify any significant differences in the results of low- and high-field MRI. Methods Twenty healthy European Shorthair cats, aged 1-3 years, with body weights ranging from 2.85-4.35 kg, were studied. MRI of brain structures was performed in a low- and a high-field MRI system. The height of the brain and lateral ventricles at the level of the interthalamic adhesion, and volume of the lateral ventricles were determined in T2-weighted images in the transverse plane. The degree of symmetry of lateral ventricles was analysed based on the ratio of right to left ventricular volume. The measured parameters were processed statistically to determine whether sex and body weight were significantly correlated with variations in ventricular anatomy. The results of low- and high-field MRI were analysed to evaluate for any significant differences. Results The average brain height was determined to be 27.79 mm, and the average height of the left and right ventricles were 2.98 mm and 2.89 mm, respectively. The average ventricle/brain height ratio was 10.61%. The average volume of the left ventricle was 134.12 mm and the right ventricle was 130.49 mm. Moderately enlarged ventricles were observed in two cats. Moderate ventricular asymmetry was described in four cats. Sex and body weight had no significant effect on the evaluated parameters. The differences in the results of low- and high-field MRI were not statistically significant. Conclusions and relevance This study has determined reference intervals for ventricular volume in a population of European Shorthair cats without brain disease, which will facilitate the interpretation of MRI images and the characterisation of brain abnormalities in cats with neurological disease. Further research involving larger animal populations, including other breeds, is required to compare the measured parameters between breeds and to determine reference values for other breeds.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Quantification of cerebral lateral ventricular volume in cats by low- and high-field MRI

Przyborowska

Adamiak

Zhalniarovich

2016

Journal of Feline Medicine and Surgery

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“…Magnetic resonance imaging is a modern, non-invasive and highly sensitive diagnostic tool for evaluating articular surfaces and joint cavities (Konig et al 1987;Solomon et al 1989;Tervoven et al 1993;Snaps et al 1997;Miller 1999;Recht et al 2005;Janach et al 2006;Schaefer and Forrest 2006;Probst et al 2007;Agnello et al 2008;Gold et al 2009;Jaskolska et al 2013). …”

Section: Discussionmentioning

confidence: 99%

Direct magnetic resonance arthrography of the canine elbow

Zhalniarovich

Przyborowska-Zhalniarovich

Mieszkowska

et al. 2017

Acta Vet. Brno

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This study compares the effects of four dilutions of the gadolinium-containing contrast media (1:100; 1:400; 1:800; 1:1,200) administered to the elbow on the quality of magnetic resonance images. All the examined dilutions had a positive effect on image quality, and 1:800 was regarded as the optimal dilution of gadolinium for viewing the elbow because it imparted good contrast to the joint cavity without obliterating the contours of articular surfaces. Transverse, sagittal, and dorsal low-field magnetic resonance images were obtained in 24 canine cadaver front limbs. The musculus biceps brachii, m. triceps brachii, m. extensor carpi radialis, m. flexor carpi ulnaris, the articular surfaces, the medial coronoid process and the anconeal process of the ulna were well visualized by High Resolution Gradient Echo, XBONE T2 and Spin Echo T1 sequences in the sagittal plane. The biceps brachii, pronator teres, flexor carpi radialis, extensor digitorum communis, extensor carpi radialis, deltoid muscle and the articular surface of the medial condyle of the humerus were very well visualized by 3D SST1 and XBONE T2 sequences in the transverse plane. The triceps brachii muscle, extensor digitorum lateralis muscle, superficial digital flexor, deep digital flexor and the medial condyle of the humerus were very well visualized by the Spin Echo T1 sequence in the dorsal plane. This article describes for the first time the use of the gadolinium contrast agent administered to the canine elbow joint during magnetic resonance modality. Magnetic resonance arthrography can be a helpful visualization technique in treating canine soft tissue elbow injury. MRI, contrast agent, gadolinium, dogsMagnetic resonance imaging (MRI) is a method of choice for diagnosing elbow joint disorders in humans. It is one of the recently developed diagnostic techniques (Dalinka et

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“…The distal limb was scanned in sagittal, transverse and dorsal planes, with the use of following sequences: XBone T1, T2 FSE, STIR, PD SE, 3D Sharc. Comparing results received from different sequences may provide reliable diagnosis (Jaskolska et al 2013).…”

Section: Methodsmentioning

confidence: 99%

The use of magnetic resonance imaging in diagnosing equine deep digital flexor tendinopathies – own experience

Jaskólska¹,

Adamiak²,

Holak³

et al. 2014

Polish Journal of Veterinary Sciences

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Magnetic resonance protocols in equine lameness examination, used sequences, and interpretation

Cited by 4 publications

References 56 publications

Quantification of cerebral lateral ventricular volume in cats by low- and high-field MRI

Quantification of cerebral lateral ventricular volume in cats by low- and high-field MRI

Direct magnetic resonance arthrography of the canine elbow

The use of magnetic resonance imaging in diagnosing equine deep digital flexor tendinopathies – own experience

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