TABLE 1.
A summary of the presenting clinical signs, neurological examination findings, and perceived clinically significant lesions identified on computed tomographic (CT) myelography and radiographic myelography presented as the percentage of horses with each clinical finding for which a perceived clinically significant lesions was identified on CT myelography and or radiographic myelography
| Presenting clinical signs | CT myelographic findings | Radiographic myelography | |||
|---|---|---|---|---|---|
| Osteoarthritis | Cord compression | Foramina | Contrast attenuation | Cord compression | |
| Ataxia | 79% | 21% | 50% | 36% | 7% |
| General neurological dysfunction | 87% | 33% | 47% | 27% | 7% |
| Weakness/collapse | 90% | 20% | 40% | 27% | 0% |
| Tripping | 78% | 11% | 78% | 11% | 0% |
| Muscle atrophy | 100% | 0% | 0% | 0% | 0% |
| Stiffness | 81% | 44% | 63% | 25% | 6% |
| Lameness | 93% | 33% | 80% | 27% | 7% |
| Not forward | 86% | 0% | 43% | 0% | 0% |
| Fever | 100% | 0% | 50% | 0% | 0% |
| Neurological examination findings | |||||
| Ataxia | 100% | 62% | 75% | 38% | 0% |
| Weakness/collapse | 89% | 32% | 71% | 32% | 11% |
| Proprioceptive deficits | 88% | 32% | 68% | 34% | 10% |
| Reduced range of motion | 95% | 42% | 84% | 32% | 5% |
| Muscle wastage | 60% | 40% | 100% | 60% | 40% |
| Hyperesthesia/hypoesthesia | 79% | 36% | 64% | 36% | 0% |
| Hypermetric gait | 87% | 43% | 83% | 43% | 17% |