The information provided by CT imaging can be extremely valuable to veterinarians attempting to diagnose equine ailments, especially in horses suffering from head problems.
The anatomical information provided by a CT scan can help vets identify many issues, including subtle lesions which are often hard to diagnose on X-ray.
Dr. Susanne Stieger-Vanegas, with the Carlson College of Veterinary Medicine at Oregon State University, and Dr. Ashley Hanna, with the College of Veterinary Medicine at Washington State University, reported that diseases affecting the head occur fairly frequently. The equine head is a complex structure both anatomically and spatially; both CT and MRI are helpful in eliminating overlapping images of anatomic structures.
CT scans are especially helpful in evaluating bones and air-filled structures. They have proven immensely valuable in evaluation of sinuses, ear and dental issues, and in trauma to the skull.
In addition, using contrast with a CT scan allows vets to determine tissue viability and vascular anatomy. CT scans can also assist with the removal of masses found in the head.
The duo conclude that CT use in horses may eliminate the need for other diagnostic imaging to evaluate head issues and that the modality is becoming more widely available.
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