Table 4 Clinical symptoms of the studied patients. N.B: more than one symptom was present in the same patient

1 Motor symptoms

100

 Weakness or paresis and walking difficulty

2 Sensory symptoms:

88

 Incl. hypoesthesia, paraesthesia and L- hermitte phenomena

3 Visual symptoms:

80

 Blurring or loss of vision

4 Cerebellar symptoms:

64

 Incl. incoordination, gait instability and ataxia

5 Brain stem symptoms:

40

 Incl. diplopia, vertigo and impaired speech and swallowing

6 Bowel and bladder dysfunction

32

7 Fatigue

60

8 Headache

32

9 Cognitive problems

16

 Incl. difficulty with memory and concentration