Table I.

Main differential diagnoses of higher-level gait disorders.

1. Normal-pressure hydrocephalus

2. Other subtypes of communicating hydrocephalus in adults

3. Vascular parkinsonism

4. Progressive supranuclear palsy

5. Corticobasal degeneration

6. Multiple system atrophy

7. Advanced Parkinson’s disease

8. Frontal lobe tumours

9. Frontotemporal dementia

10. Alzheimer’s disease

11. Creutzfeldt-Jakob disease

12. Juvenile Huntington’s disease (Westphal variant)

13. Wilson disease

14. Diffuse axonal injury

15. Cerebral anoxia

16. Neurosyphilis