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Article

J Vet Clin 2021; 38(2): 94-97

https://doi.org/10.17555/jvc.2021.04.38.2.94

Published online April 30, 2021

Computed Tomographic Findings of Navicular Syndrome in a Horse

Seyoung Lee, Eun-bee Lee, Kyung-won Park, Hyohoon Jeong, Tae-young Kang, Jong-pil Seo

College of Veterinary Medicine and Veterinary Medical Research Institute, Jeju National University

Copyright © The Korean Society of Veterinary Clinics.

Abstract

An 18-year-old warmblood gelding was presented to Jeju National University Equine Hospital with chronic bilateral forelimb lameness. Navicular syndrome was suspected based on clinical findings, the hoof test, palmar digital nerve block, and radiographic results. Computed tomography (CT) was performed under general anesthesia. Bone cysts, enlarged vascular channels, sclerosis, and enthesophytes were identified in the navicular bone on CT images. Mineralization in the deep digital flexor tendon was also observed. CT can be a useful diagnostic tool for identifying lesions of the navicular bone and adjacent structures in horses. The horse was treated with an intra-bursal injection of triamcinolone and gentamicin. Lameness started to improve two days later and the horse was sound after two months of the injection. CT enabled us not only to diagnosis of navicular syndrome but also to determine the degree and extent of the lesions.

Keywords: navicular syndrome, computed tomography, horse

Article

J Vet Clin 2021; 38(2): 94-97

Published online April 30, 2021 https://doi.org/10.17555/jvc.2021.04.38.2.94

Copyright © The Korean Society of Veterinary Clinics.

Computed Tomographic Findings of Navicular Syndrome in a Horse

Seyoung Lee, Eun-bee Lee, Kyung-won Park, Hyohoon Jeong, Tae-young Kang, Jong-pil Seo

College of Veterinary Medicine and Veterinary Medical Research Institute, Jeju National University

Abstract

An 18-year-old warmblood gelding was presented to Jeju National University Equine Hospital with chronic bilateral forelimb lameness. Navicular syndrome was suspected based on clinical findings, the hoof test, palmar digital nerve block, and radiographic results. Computed tomography (CT) was performed under general anesthesia. Bone cysts, enlarged vascular channels, sclerosis, and enthesophytes were identified in the navicular bone on CT images. Mineralization in the deep digital flexor tendon was also observed. CT can be a useful diagnostic tool for identifying lesions of the navicular bone and adjacent structures in horses. The horse was treated with an intra-bursal injection of triamcinolone and gentamicin. Lameness started to improve two days later and the horse was sound after two months of the injection. CT enabled us not only to diagnosis of navicular syndrome but also to determine the degree and extent of the lesions.

Keywords: navicular syndrome, computed tomography, horse