Figure 1.

(A) Preoperative post-contrast axial T1-weighted MRI scan showing a right parietal GBM (arrow), that was completely removed, as visible in post-operative T1 with contrast axial scan (B: in that case arrow is the surgical cavity). Intraoperative images, under Y560 filter (C,D), depict bright yellow green signal (asterisk), in correspondence of nodular component, and dark pinkish feature in the necrotic core (dotted line).