Encephalitis is an acute inflammation of the brain, commonly caused by a<unk>  infection.  CT scan should be performed in all patient with suspected encephalitis. It helps in excluding ass lesion, bleeding and infarction that could be the possible cause for the encephalopathic state. It should always be performed before lumber puncture in case manifestations suggestive of increased intra-cranial pressure is there.
Viral encephalitis CT
Viral encephalitis MRI
Viral meningitis CT
Bacterial meningitis CT
Fungal meningitis CT
St. Louis encephalitis MRI
Viral meningitis MRI
Japanese encephalitis CT