(a)
(b)
Figure 2: Brain MRI scans ten days after initiating the antibiotic therapy showing residual hyperintense signal alternations in the hypothalamus, in the left crura cerebri, and in the left thalamus (arrows) on the coronal FLAIR-T2 in (a) and complete regression of the signal abnormality on the axial diffusion weighted imaging DWI in (b).