Journal of Veterinary Clinics (한국임상수의학회지)

The Korean Society of Veterinary Clinics (한국임상수의학회)
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Diagnosis of Coxofemoral Joint Luxation in a Whooper Swan (Cygnus Cygnus) Using Computed Tomography and Radiography

  • Jinho Jang (College of Veterinary Medicine and Veterinary Medical Research Institute, Jeju National University) ;
  • Jong-pil Seo (College of Veterinary Medicine and Veterinary Medical Research Institute, Jeju National University) ;
  • Hyohoon Jeong (College of Veterinary Medicine and Veterinary Medical Research Institute, Jeju National University) ;
  • Seyoung Lee (College of Veterinary Medicine and Veterinary Medical Research Institute, Jeju National University) ;
  • YoungMin Yun (College of Veterinary Medicine and Veterinary Medical Research Institute, Jeju National University)
  • Received : 2024.01.31
  • Accepted : 2024.03.18
  • Published : 2024.04.30
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Abstract

A wild Whooper swan (Cygnus Cygnus) with limping due to an injured left pelvic limb in an accident was rescued on the seashore and transferred to the Jeju Wildlife Rescue Center on November 23rd, 2020. On physical examination, its body condition score was 1 out of 5 due to starvation and dehydration. The left coxofemoral joint was also examined by careful palpating and estimating the damage. Moderated soft tissue swelling and crepitus surrounding the hip joint were confirmed. Radiography and computed tomography (CT) were used together for an accurate diagnosis of the joint. By radiographs readings, it was difficult to accurately confirm the condition of the proximal femur due to superimposition of the synsacrum and internal organs. However, signs such as avulsion fracture of the femoral head and a few fragments around the joint were revealed by CT imaging. Besides, through three-dimensional (3D) image analysis of CT, the dislocated area and condition of the left hip joint could be accurately and easily confirmed. The diagnostic process showing in this paper could be used as a good reference for diagnosing coxofemoral joint luxation in wild swan.

Keywords

Acknowledgement

This research was supported by Research Fund (Z-1543081-2019-21-01) of Animal and Plant Quarantine Agency, South Korea.

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