FIGURE 1.
(A and B) Pretargeted immuno-PET with TF2 and 68Ga-IMP288 peptide reveals 2 unknown brain metastases (right frontal and right frontoparietal, arrows). (C) T1-weighted gadolinium MR brain image confirms both asymptomatic lesions (arrows). (D) 18F-FDG PET image shows only 1 metastasis (right frontal lesion, arrow).