GLP1R and pancreatic insulinoma: On the other hand GLP-1R PET/CT with 68Ga-NODAGA-exendin-4 detected insulinomas with a much higher sensitivity than SSTR PET/CT (93.5 vs 61.3%) in a prospective comparison in 31 patients with biochemically proven hyperinsulinemic hypoglycemia (Boss et al. 2019).