Optimal 68 Ga-PSMA and 18 F-PSMA PET window levelling for gross tumour volume delineation in primary prostate cancer

ConclusionsThreshold-based contouring using GTVmajority-trained SOSTs achieves an accuracy comparable with manual contours in delineating GTVhisto. The median SOSTs of 41 SUV% for68Ga-PSMA-11 PET and 44 SUV% for18F-PSMA-1007 PET form a base for tracer-specific window levelling.Trial registrationClinicaltrials.gov; NCT03327675; 31-10-2017
Source: European Journal of Nuclear Medicine and Molecular Imaging - Category: Nuclear Medicine Source Type: research