Vasculitis, Central Nervous System

**Definition:** Inflammation of blood vessels within the central nervous system. Primary vasculitis is usually caused by autoimmune or idiopathic factors, while secondary vasculitis is caused by existing disease process. Clinical manifestations are highly variable but include HEADACHE; SEIZURES; behavioral alterations; INTRACRANIAL HEMORRHAGES; TRANSIENT ISCHEMIC ATTACK; and BRAIN INFARCTION. (From Adams et al., Principles of Neurology, 6th ed, pp856-61)

**Tree numbers:** - C10.114.875 - C10.228.140.300.850 - C14.907.253.946 - C14.907.940.907 - C20.111.258.962

**Synonyms:** - Angiitis, Central Nervous System - Central Nervous System Vasculitis - Central Nervous System Angiitis - CNS Vasculitis