Left - Axial T2-weighted scan shows subtle abnormal signal in the Sylvian fissure, quadrigeminal
plate, interhemispheric and pre-chiasmatic cisterns.
Right – The abnormality is better seen on FLAIR where all the CSF should be dark.
Axial (left and middle) and Coronal (right) T1W postcontrast images show irregular thick
meningeal enhancement, especially in the basal cisterns.
Key words: infection inflammation MRI tb tuberculous meningitis