FIG 2. Axial FLAIR image of the same patient, obtained 10 days after treatment with penicillin. There are essentially no imaging differences as compared with the pretreatment images. FIG 3. Axial FLAIR image of the same patient, obtained 4 months after treatment with penicillin. There is significant interval improvement in the previously noted mesial temporal signal abnormalities. There is also slight right temporal atrophy, with compensatory dilation of the temporal horn