[Cervical intervertebral disk prolapse in a horse].

This study explores a case of a 16-year-old American Saddler horse diagnosed with a rare condition known as a Hansen type I cervical intervertebral disc prolapse, characterized by symptoms including partial paralysis (paresis) and loss of coordination (ataxia). The diagnosis was made through plain radiographs and a myelogram. Due to the condition severity, the horse was euthanizes, and the diagnosis was confirmed post-mortem.

Detailed Explanation of the Research

• The study focuses on analyzing a case of an American Saddler horse demonstrating clinical signs of paresis and ataxia. The diagnosis revealed that the horse suffered from a Hansen type I cervical intervertebral disc prolapse. This is a condition where one of the discs in the neck area of the horse’s spine becomes displaced.
• Paresis and ataxia are both neurological symptoms. Paresis refers to partial or mild paralysis that results in weakening of the horse’s muscles. Ataxia, on the other hand, is a condition which affects the horse’s coordination and balance, often causing it to stagger or move in an unstable manner.

Diagnosis and Confirmation of the Condition

• The diagnosis for this condition was made possible through an ante-mortem investigation, which is conducted while the horse was still alive. This particular investigation employed a combination of plain radiographs and myelograms.
• Radiographs or x-rays are used to provide visual insights into the horse’s internal body structures. In this case, it helped to identify any abnormalities in the horse’s cervical intervertebral discs, which could explain the observed symptoms.
• Myelogram, on the other hand, is a specific type of x-ray that uses a contrast medium to highlight the spinal cord and its surrounding structures. This proved to be instrumental in diagnosing the prolapsed (displaced) disc.
• Following the diagnosis, as the condition was severe and presumably causing significant suffering, the decision was made to euthanize the horse. A post-mortem examination was then carried out, which confirmed the initial diagnosis of a Hansen type I cervical intervertebral disc prolapse.