Table 4. Clinical characteristics of patients that onset with cerebral infarction.

Time course of onset		Cases
Prior to start of initial treatment		14
After start of initial treatment
	Prior to recurrence or disease progression	1
	After recurrence or disease progression	14*
Initial symptoms at onset (patient overlap)
	Hemiplegia	13
	Dysarthria	10
	Gait disturbance	3
	Visual field defect	2
	Other symptoms	7
Localization of cerebral infarction (patient overlap)
	Middle cerebral artery	13
	Parietal lobe	2
	Occipital lobe	1
	Multiple lesions	7
	Other	6

^*Includes 2 cases that onset prior to start of initial treatment.