Figure 5

Patient 6: (a) Low-power view with increased number of small hyalinized vessels (H&E, × 20). (b) LFB/PAS stain demonstrating thickened vessels and relative myelin loss ( × 40). (c–e) High-power photomicrographs demonstrating a cluster of small hyalinized vessels with hemosiderin deposition (c), glial atypia (d), and Rosenthal fibers (e) (H&E, × 600).