HSMN
| Incidental findings | |
| +ve signs | Distal wasting lower limb, pes cavus, absent ankle jerkers, plantars, foot drop, distal sensory loss |
| Differential diagnosis | HSMN (Friedreich’s ataxia also causes pes cavus) |
| Function | |
| Minimal disability |
Extensions
- Examine gait - steppage
- Feel for lateral popliteal nerve thickening
- Look for small muscle wasting hands
Notes
- Both AR and Admodes of inheritance.
- Type I = demyelinating, absent reflexes; II = axonal, normal reflexes