Table 1: Causes of secondary central nervous system vasculitis in children [1].

Infections Viral: varicella, HIV, hepatitis C Bacterial: Lyme disease, tuberculosis Fungal Parasitic Systemic vasculitis Kawasaki disease Henoch-Schönlein purpura Polyarteritis nodosa Wegener granulomatosis Microscopic polyarteritis nodosa Takayasu arteritis Systemic connective tissue diseases Systemic lupus erythematosus Dermatomyositis Sjogren syndrome Inflammatory bowel diseases   Sarcoidosis   Vascular injury Dissection Radiation Drugs Amphetamines Contraceptives Neoplasms   Graft versus host diseases