Table 1

Summary of the clinical findings in the translocation carriers

II:2*III:2III:4III:7III:12IV:1†IV:2IV:4IV:8IV:9IV:12IV:15V:1
II:2 died at 42 years of age with a diagnosis of multiple sclerosis and was severely disabled; †IV:1 does not have any symptoms.
NK, not known.
Age (years)425452484135332927242177
Age of onset (years)3573533NK33331
ClumsinessNK+++++++++++
Lack of coordination++++++
Dysarthria++
Ataxia++++++++
TremorNK+++NK
Nystagmus+++++NK
Abnormal reflexes+
Ataxic gait++
Dysdiadochokinesia+NK+NK
ScoliosisNK++
Vibration sense reduced+NK++NKNK