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Summary of clinical findings
| Ocular | Saccadic pursuit, gaze-evoked nystagmus |
| Bulbar | Dysarthria |
| Upper limb | Ataxia |
| Lower limbs | Pes cavus |
| Distal weakness and atrophy | |
| Brisk knee jerks | |
| Absent ankle jerks | |
| Upgoing plantar reflexes | |
| Distal sensory loss to pp and JPS | |
| Gait | Ataxic, scissoring |
Findings in both patients were very similar. pp, pinprick sensation; JPS, joint position sense.
