A1	astrocytoma grade 1
ADC	apparent diffusion coefficient
BBB	blood brain barrier
BTV	biological tumor volume
CNS	central nervous system
CT	computer tomography
DWI	Diffusion weighted imaging
EANO	European Association of Neuro-oncology
FDG	fluoro-deoxy-glucose
FET O	(2-[18F]fluoroethyl)-L-tyrosine
FLAIR	fluid attenuated inversion recovery
GBM	glioblastoma
MET	L-[11C]methyl-methionine
MRI	magnetic resonance imaging
MRS	magnetic resonance spectroscopy
NCCN	National Comprehensive Cancer Network
PET	positron emission tomography
PWI	perfusion weighted imaging
rCBV	relative cerebral blood volume
TBR	tumor brain ratio
TOF	time of flight
SUV	standardized uptake value