56-years-old female:
* Fever and seizures
What do you see?
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HERPES SIMPLEX ENCEPHALITIS
See the characteristic ABRUPT SPARING OF THE BASAL GANGLIA WITH THEIR “BORDERS THAT CAN BE DRAWN WITH A FINE-POINT PEN”.
Other tips:
* Temporal (with anterior and medial predominance) and insular> frontal (with basal predominance) and cingular
* Not rare bilateral
* Look for SAH foci near the silvian fissures
Hyper dense MCA sign
DD. Infarct