Case Report
Atypical Features in a Large Turkish Family Affected with Friedreich Ataxia
Table 1
Clinical and laboratory characteristics of the patients.
| Feature | Patient II.5 | Patient II.1 | Patient II.10 | Patient II.11 | Patient III.5 |
| Age at evaluation | 37 | 47 | 52 | 40 | 11 | Age at onset | 18 | 27 | 16 | 16 | Infant | Duration of the disease | 19 | 20 | 36 | 24 | 11 | Sex | M | M | M | F | F | First symptom | Ataxia, paresthesia | Ataxia | Ataxia | Ataxia | MMR | Ataxia | ++ | +++ | +++ | +++ | +++ | Dysarthria | + | ++ | ++ | ++ | ++ | Muscle weakness | | | | | | Upper limbs | + | − | − | + | ++ | Lower limbs | + | + | − | +++ | +++ | Deep tendon reflexes | | | | | | Upper limbs | Absent | Absent | Diminished | Absent | Absent | Lower limbs | Absent | Absent | Absent | Absent | Absent | Joint position/vibration sense abnormalities | | | | | | Upper limbs | − | − | − | + | NP | Lower limbs | + | + | + | + | NP | Babinski sign | Absent | Extensor | Flexor | Extensor | Extensor | Extraneurological findings | Scoliosis, hammer toes | Scoliosis | Scoliosis | Scoliosis | Scoliosis | Cardiomyopathy | − | − | − | − | − | Cranial MRI | Arachnoid cyst | Arachnoid cyst | NP | CV, CSP, NL, and C-Ce atrophy | Ce-atrophy | NCS | Demyelinating neuropathy | Sensorial neuropathy | NP | Sensorial neuropathy | Sensorial neuropathy | Functional score | Unable to walk without help | Confined to wheelchair | Confined to wheelchair | Confined to wheelchair | Confined to wheelchair |
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M: male, F: female, MMR: mental motor retardation, NP: not performed, NL: nodular lesions, CV: cavum vergae, CSP: cavum septum pellucidum, C: cerebral, and Ce: cerebellar. +++: severe; ++: moderate; +: mild; −: no.
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