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(Left) F-fluoro-phenylalanine-positron emission tomography (FBPA-PET) axial image of case 115, with the tumor-to-normal tissue standardized uptake value (SUV) average calculated after radioactive boron-containing drugs were infused into the patient. Other than the tumor, physiological uptake was also noticed in the parotid glands. The ratio of this patient is 2.89, matching the requirement of BNCT treatment (T/N ratio > 2.5) (Right) FBPA-PET coronal image.
