Fig. 1
From: Magnetic resonance spectroscopy guided radiotherapy boost for patients with glioblastoma
High-risk tumor regions as determined by MRS after standard radiotherapy in patients with GBM: (a) T1-weighted sequence before radiotherapy; (b) bGTV in T1-weighted sequence after a 60 Gy dose; (c, d) regions of interest showing the Cho/NAA ratio.
