May Be Caused by

Abscess

Allergic angitis

Allergic granulomatosis

Amphetamine abuse

Arterial spasm

Arteriovenous malformation

Atrial myxoma

Behçet disease

Bowel bypass dermatitis

Buerger disease

Cerebral hemorrhage

Cerebral thrombosis

Cocaine abuse

Cogan syndrome

Connective tissue disease

Embolism

Erythema nodosum

Giant cell arteritis

Granulomatous angiitis

Henoch-Schönlein purpura

Herpes

Hypersensitivity angiitis

Hypersensitivity vasculitis

Hypocomplemenemic vasculitis

Idiopathic cerebral vasculitis

Infection

Kawasaki syndrome

Lymphomatoid granulomatosis

Malignancy with vasculitis

Migraine

Mixed cryoglobulinemia

Moyamoya

Necrotizing angiitis

Neurocutaneous syndrome

Neurofibromatosis

Oral contraceptive

Polyarteritis nodosa

Purulent meningitis

Radiation therapy

Rheumatic fever

Sarcoidosis

Serum sickness vasculitis

Serum sickness-like vasculitis

Sickle cell disease

Sturge-Weber syndrome

Subacute bacterial endocarditis

Subarachnoid hemorrhage

Syphilis

Systemic necrotizing vasculitis

Takayasu arteritis

Temporal arteritis

Trauma

Tuberculosis

Tuberculous meningitis

Tuberous sclerosis

Wegener granulomatosis