TABLE 2.
DNA repair disorder | Sensory vs motor neuropathy | Axonal vs demyelinating neuropathy | Age of neuropathy onset |
---|---|---|---|
Xeroderma pigmentosum | Sensorimotor (XPA), sensory (XPD) | Axonal | Detected as early as 3 years for XPA, detected as early as adolescence for XPD46 |
Trichothiodystrophy | Motor | Demyelinating | Detected as early as 6 months of age56 |
Cockayne syndrome | Sensorimotor | Demyelinating | Severe slowing of conduction velocities observed at 2 years of age71 |
Werner syndrome | Sensorimotor | Axonal and demyelinating | Neuropathy has been detected in the fourth decade of life and later, onset unclear80–82 |
Ataxia telangiectasia | Sensorimotor | Axonal | Childhood onset with progression over time131 |
Abbreviation: XP, xeroderma pigmentosum.