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#1709 68Ga-NODAGA-exendin-4 PET/CT for the Localization of Insulinomas: Preliminary Data from a Prospective Multicenter Imaging Study.

Introduction: Insulinomas are usually small, single tumors. Precise preoperative localization of the tumor is essential. Imaging techniques like CT and MRI have limited sensitivity and also somatostatin receptor (SSTR) imaging is not specific. Exendin specifically binds the GLP-1 receptor (GLP-1R), which is markedly upregulated in insulinomas. 68Ga-DOTA-exendin-4 PET/CT has been shown to be feasible in detecting insulinomas. Replacing DOTA by NODAGA ensures higher specific activities. We propose 68Ga-NODAGA-exendin-4 PET/CT as a promising new method for improved localization of insulinomas.

Conference: 14th Annual ENETSConcerence (2017)

Presenting Author: Boss M

Authors: Boss M, Buitinga M, Brom M, Wild D, Prasad V,

Keywords: Insulinoma, PET, exendin,