SV2A and behavioral variant of frontotemporal dementia: [18F]UCB-H based PET/CT scans revealed synaptic loss in the right anterior parahippocampal gyrus of the behavioural variant of frontotemporal dementia (bvFTD) patients, thus revealing synaptopathy in bvFTD patients.448 However, [18F]UCB-H showed lower binding affinity to SV2A than did [11C]UCB-J.