Enzephalitis durch Flaviviren

Flavivirus encephalitis (plural: encephalitides) includes a number of entities which characteristically involve the basal ganglia and thalami.

Clinical presentation

Typically these conditions present with a prodrome which is non-specific but highly suggestive of a viral infection. Symptoms include fever, myalgia, rash, rigors and/or headache. Eventually, CNS symptoms develop, including dystonia, dyskinesia, tremor, drooling, dysarthria and/or seizures .


There are over 70 flaviviruses. The most important include :

Radiographic features

MRI is the modality of choice to evaluate all types of encephalitis.


Although the pattern of involvement varies from agent to agent, in general, sites of involvement include :

Siehe auch:
und weiter: