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 vasculitisKawasaki disease
Henoch-Schönlein purpura
Polyarteritis nodosa
Wegener granulomatosis
Microscopic polyarteritis nodosa
Takayasu arteritis

Systemic connective tissue diseasesSystemic lupus erythematosus
Dermatomyositis
Sjogren syndrome

Inflammatory bowel diseases

Sarcoidosis

Vascular injuryDissection
Radiation

Drugs
Amphetamines
Contraceptives

Neoplasms

Graft versus host diseases