Presentación de un caso de hemicerebelitis pediátrica

Acute cerebellitis is one of the main causes of acute cerebellar dysfunction in pediatrics. It can be infectious or occur after infection or vaccination; it is usually viral in origin. It is difficult to diagnose because not all of the clinical signs of cerebellar pathology are present and CSF may be normal. Involvement of a single hemisphere of the cerebellum, hemicerebellitis, is very rare: only three cases were published before 2003 (en castellano dice: hasta 2003; si el año 2003 queda incluso, tiene que ser before 2004). MRI shows unilateral cerebellar edema and enhancement along the folia. This pattern is very helpful in the diagnosis. Although this entity is considered to be a benign, self-limiting disorder that responds well to corticosteroid treatment, it is sometimes necessary to differentiate it from tumors.