Table 5.

Review of the literature: time course of development of symptoms

References	Acute onset	Subacute onset
Karaarslan et al.6	5 Baló concentric sclerosis patients with an acute onset
Mowry et al.7, 8	1 Baló concentric sclerosis patient with a stroke‐like onset
Wang et al.4	6 Baló concentric sclerosis patients with an acute onset	1 Baló concentric sclerosis patient with progressive clinical manifestation for a week
Purohit et al.5	1 Baló concentric sclerosis patient with an acute onset
Chen et al.18	2 Baló concentric sclerosis patients with acute onset	4 Baló concentric sclerosis patients with a subacute onset
	15/20 Baló concentric sclerosis patients	5/20 Baló concentric sclerosis patients