Table 1

Cerebellar symptoms and associated deficits at presentation and during subsequent course.

Symptom Patient 1 Patient 2 Patient 3 Patient 4 Patient 5 Patient 6
Gait ataxiaAt onsetAt onsetAt onsetSubsequentAt onsetSubsequent
Hand incoordinationLateAt onsetLateLateLateAt onset
DysarthriaLateLateLateLateLateAt onset
DiplopiaLateLateAt onset
NystagmusLateAt onset
Dizziness “unspecified”At onset
Hearing impairmentAt onsetAt onset
Peripheral neuropathyAt onsetAt onset
Extrapyramidal featuresAt onsetAt onset