Correlation between fat signal fraction of vertebral body and intervertebral disc degeneration in dogs using magnetic resonance imaging.

IF 1.5 3区 农林科学 Q2 VETERINARY SCIENCES
Seokmin Lee, Arim Lee, Jeongin Choi, Yu-Jung Lee, Dongjun Kim, Youngwon Lee, Hojung Choi
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引用次数: 0

Abstract

Importance: In human medicine, research using magnetic resonance imaging (MRI) has shown that an increase in the vertebral body fat signal fraction (FSF) is associated with the severity of intervertebral disc (IVD) degeneration. Nevertheless, veterinary medicine has limited information on the relationship between the vertebral body FSF and IVD degeneration.

Objective: This study evaluated the relationship between IVD degeneration and the vertebral body FSF in dogs and compared these factors between chondrodystrophic (CD) and non-chondrodystrophic (NCD) dogs.

Methods: IVD degeneration in dogs was classified morphologically using the Pfirrmann grade, and the vertebral body FSF was evaluated quantitatively.

Results: The vertebral body FSF showed a statistically significant difference among the age groups. The vertebral body FSF was significantly higher in Pfirrmann grades 3-5 than in grades 1 and 2. The mean Pfirrmann grade of CD dogs was higher than that of NCD dogs in the four-to-six-year-old group. The mean vertebral body FSF of CD dogs was higher than that of NCD dogs in the group of seven years and above.

Conclusions and relevance: In dogs, the vertebral body FSF increased significantly with age and Pfirrmann grade. The CD dogs showed a higher degree of IVD degeneration at a younger age than the NCD dogs. CD dogs appeared to experience more severe fat deposition of the vertebral body in old age than NCD dogs. MRI examinations are helpful for evaluating IVD degeneration and vertebral body fat deposition.

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来源期刊
Journal of Veterinary Science
Journal of Veterinary Science 农林科学-兽医学
CiteScore
3.10
自引率
5.60%
发文量
86
审稿时长
1.3 months
期刊介绍: The Journal of Veterinary Science (J Vet Sci) is devoted to the advancement and dissemination of scientific knowledge concerning veterinary sciences and related academic disciplines. It is an international journal indexed in the Thomson Scientific Web of Science, SCI-EXPANDED, Sci Search, BIOSIS Previews, Biological Abstracts, Focus on: Veterinary Science & Medicine, Zoological Record, PubMed /MEDLINE, Index Medicus, Pubmed Central, CAB Abstracts / Index Veterinarius, EBSCO, AGRIS and AGRICOLA. This journal published in English by the Korean Society of Veterinary Science (KSVS) being distributed worldwide.
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