Japanese encephalitis

Case contributed by Ankit Chauhan
Diagnosis almost certain

Presentation

Fever for 4-5 days. Altered sensorium and vomiting.

Patient Data

Age: 20 years
Gender: Female
mri
This study is a stack
Axial
FLAIR
This study is a stack
Axial
T2
This study is a stack
Axial
Gradient Echo
This study is a stack
Axial
T1
This study is a stack
Axial
DWI
This study is a stack
Axial
ADC
This study is a stack
Coronal
FLAIR
This study is a stack
MIP images
MRV
Download
Info

Hyperintense signal on T2 and FLAIR images involving bilateral thalami, caudate nuclei, pons, midbrain, left occipital lobe and bilateral cerebellar hemispheres. Patchy focal areas of blooming are seen within the thalami and pons, suggestive of hemorrhage. Basilar artery flow void is maintained on T2 images. Venography showed no thrombosis of the internal cerebral vein or straight sinus.

Case Discussion

Japanese encephalitis still remains a major health problem in India and Southeast Asia. Clinical history with typical MRI features showing bilateral thalamic involvement are pivotal in diagnosis. 

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

:

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.