{"title":"颈椎疾病犬的磁共振成像显示，小型犬的椎间盘病变比例较高，大型犬的椎间盘病变比例较高。","authors":"Katherine Darrah, Stephen Spence","doi":"10.2460/ajvr.25.12.0450","DOIUrl":null,"url":null,"abstract":"<p><strong>Objective: </strong>To compare the proportion of lesions identified on cervical MRI in dogs based on weight.</p><p><strong>Methods: </strong>Medical records from a tertiary referral hospital were reviewed for dogs that underwent cervical MRI to investigate clinical signs consistent with cervical disease from August 30, 2019, through August 30, 2024. Dogs were grouped according to their weight (< 15 or ≥ 15 kg). Case details, including the patients' weight, breed, age, sex and neuter status, presenting clinical signs, and MRI findings, were recorded.</p><p><strong>Results: </strong>There were 270 dogs included in the study. In dogs weighing < 15 kg, the proportion of intervertebral disk disease (IVDD) was 145 of 175 (82.9%) compared to 58 of 95 (61.1%) in dogs weighing ≥ 15 kg, and the odds of having IVDD were 68% less for dogs weighing ≥ 15 kg (OR, 0.32; 95% CI, 0.18 to 0.57). There was no significant association between IVDD and weight in chondrodystrophic dogs. The odds of having neoplasia were 4.5 times higher for dogs weighing ≥ 15 kg (OR, 5.3; 95% CI, 2.1 to 15). The odds of cervical spondylomyelopathy increased with weight (OR, 1.11; 95% CI, 1.06 to 1.16). The weights of dogs with atlantoaxial instability (AAI; median, 5.2; IQR, 2.8 to 6.9) were significantly less than dogs without AAI (median, 11.0; IQR, 6.4 to 25.5). The odds of congenital abnormalities were 97% higher for dogs weighing < 15 kg compared to dogs weighing ≥ 15 kg (OR, 0.03; 95% CI, < 0.001 to 0.24).</p><p><strong>Conclusions: </strong>Dogs weighing < 15 kg had significantly higher proportions of IVDD, AAI, and congenital abnormalities compared to dogs weighing ≥ 15 kg. Dogs weighing ≥ 15 kg had significantly higher proportions of neoplasia and cervical spondylomyelopathy compared to dogs weighing < 15 kg.</p><p><strong>Clinical relevance: </strong>This knowledge can improve the initial consultation discussion with clients that are considering advanced imaging for dogs with cervical disease and subsequent diagnostics and treatments.</p>","PeriodicalId":7754,"journal":{"name":"American journal of veterinary research","volume":" ","pages":"1-8"},"PeriodicalIF":1.4000,"publicationDate":"2026-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Magnetic resonance imaging of dogs with cervical disease revealed a higher proportion of intervertebral disk disease in small dogs and neoplasia in large dogs.\",\"authors\":\"Katherine Darrah, Stephen Spence\",\"doi\":\"10.2460/ajvr.25.12.0450\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Objective: </strong>To compare the proportion of lesions identified on cervical MRI in dogs based on weight.</p><p><strong>Methods: </strong>Medical records from a tertiary referral hospital were reviewed for dogs that underwent cervical MRI to investigate clinical signs consistent with cervical disease from August 30, 2019, through August 30, 2024. Dogs were grouped according to their weight (< 15 or ≥ 15 kg). Case details, including the patients' weight, breed, age, sex and neuter status, presenting clinical signs, and MRI findings, were recorded.</p><p><strong>Results: </strong>There were 270 dogs included in the study. In dogs weighing < 15 kg, the proportion of intervertebral disk disease (IVDD) was 145 of 175 (82.9%) compared to 58 of 95 (61.1%) in dogs weighing ≥ 15 kg, and the odds of having IVDD were 68% less for dogs weighing ≥ 15 kg (OR, 0.32; 95% CI, 0.18 to 0.57). There was no significant association between IVDD and weight in chondrodystrophic dogs. The odds of having neoplasia were 4.5 times higher for dogs weighing ≥ 15 kg (OR, 5.3; 95% CI, 2.1 to 15). The odds of cervical spondylomyelopathy increased with weight (OR, 1.11; 95% CI, 1.06 to 1.16). The weights of dogs with atlantoaxial instability (AAI; median, 5.2; IQR, 2.8 to 6.9) were significantly less than dogs without AAI (median, 11.0; IQR, 6.4 to 25.5). The odds of congenital abnormalities were 97% higher for dogs weighing < 15 kg compared to dogs weighing ≥ 15 kg (OR, 0.03; 95% CI, < 0.001 to 0.24).</p><p><strong>Conclusions: </strong>Dogs weighing < 15 kg had significantly higher proportions of IVDD, AAI, and congenital abnormalities compared to dogs weighing ≥ 15 kg. Dogs weighing ≥ 15 kg had significantly higher proportions of neoplasia and cervical spondylomyelopathy compared to dogs weighing < 15 kg.</p><p><strong>Clinical relevance: </strong>This knowledge can improve the initial consultation discussion with clients that are considering advanced imaging for dogs with cervical disease and subsequent diagnostics and treatments.</p>\",\"PeriodicalId\":7754,\"journal\":{\"name\":\"American journal of veterinary research\",\"volume\":\" \",\"pages\":\"1-8\"},\"PeriodicalIF\":1.4000,\"publicationDate\":\"2026-05-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"American journal of veterinary research\",\"FirstCategoryId\":\"97\",\"ListUrlMain\":\"https://doi.org/10.2460/ajvr.25.12.0450\",\"RegionNum\":3,\"RegionCategory\":\"农林科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"VETERINARY SCIENCES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"American journal of veterinary research","FirstCategoryId":"97","ListUrlMain":"https://doi.org/10.2460/ajvr.25.12.0450","RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"VETERINARY SCIENCES","Score":null,"Total":0}
Magnetic resonance imaging of dogs with cervical disease revealed a higher proportion of intervertebral disk disease in small dogs and neoplasia in large dogs.
Objective: To compare the proportion of lesions identified on cervical MRI in dogs based on weight.
Methods: Medical records from a tertiary referral hospital were reviewed for dogs that underwent cervical MRI to investigate clinical signs consistent with cervical disease from August 30, 2019, through August 30, 2024. Dogs were grouped according to their weight (< 15 or ≥ 15 kg). Case details, including the patients' weight, breed, age, sex and neuter status, presenting clinical signs, and MRI findings, were recorded.
Results: There were 270 dogs included in the study. In dogs weighing < 15 kg, the proportion of intervertebral disk disease (IVDD) was 145 of 175 (82.9%) compared to 58 of 95 (61.1%) in dogs weighing ≥ 15 kg, and the odds of having IVDD were 68% less for dogs weighing ≥ 15 kg (OR, 0.32; 95% CI, 0.18 to 0.57). There was no significant association between IVDD and weight in chondrodystrophic dogs. The odds of having neoplasia were 4.5 times higher for dogs weighing ≥ 15 kg (OR, 5.3; 95% CI, 2.1 to 15). The odds of cervical spondylomyelopathy increased with weight (OR, 1.11; 95% CI, 1.06 to 1.16). The weights of dogs with atlantoaxial instability (AAI; median, 5.2; IQR, 2.8 to 6.9) were significantly less than dogs without AAI (median, 11.0; IQR, 6.4 to 25.5). The odds of congenital abnormalities were 97% higher for dogs weighing < 15 kg compared to dogs weighing ≥ 15 kg (OR, 0.03; 95% CI, < 0.001 to 0.24).
Conclusions: Dogs weighing < 15 kg had significantly higher proportions of IVDD, AAI, and congenital abnormalities compared to dogs weighing ≥ 15 kg. Dogs weighing ≥ 15 kg had significantly higher proportions of neoplasia and cervical spondylomyelopathy compared to dogs weighing < 15 kg.
Clinical relevance: This knowledge can improve the initial consultation discussion with clients that are considering advanced imaging for dogs with cervical disease and subsequent diagnostics and treatments.
期刊介绍：
The American Journal of Veterinary Research supports the collaborative exchange of information between researchers and clinicians by publishing novel research findings that bridge the gulf between basic research and clinical practice or that help to translate laboratory research and preclinical studies to the development of clinical trials and clinical practice. The journal welcomes submission of high-quality original studies and review articles in a wide range of scientific fields, including anatomy, anesthesiology, animal welfare, behavior, epidemiology, genetics, heredity, infectious disease, molecular biology, oncology, pharmacology, pathogenic mechanisms, physiology, surgery, theriogenology, toxicology, and vaccinology. Species of interest include production animals, companion animals, equids, exotic animals, birds, reptiles, and wild and marine animals. Reports of laboratory animal studies and studies involving the use of animals as experimental models of human diseases are considered only when the study results are of demonstrable benefit to the species used in the research or to another species of veterinary interest. Other fields of interest or animals species are not necessarily excluded from consideration, but such reports must focus on novel research findings. Submitted papers must make an original and substantial contribution to the veterinary medicine knowledge base; preliminary studies are not appropriate.
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