Fig. 4From: First clinical experience with fractionated intracavitary radioimmunotherapy using [177Lu]Lu-6A10-Fab fragments in patients with glioblastoma: a pilot study[18F]FET-PET/MRI of patient 3 did not reveal relevant residual disease. Leakage test with [99mTc]Tc-DTPA was negative. During the second cycle, low level leakage into the spinal canal was detected (arrow). [18F]FET-PET/MRI after iRIT showed stable diseaseBack to article page