Small Bowel Neuroendocrine Tumor Metastases: Comparison of Contrast-Enhanced Computed Tomography and 68Ga-DOTATATE PET/CT Abstract #2805

Introduction: Most gastrointestinal neuroendocrine tumors (GI-NETs) involve the small intestine (38%) and about 50% of patients present with regional or distant metastases at time of diagnosis [2]. 68Ga-DOTATATE PET/CT provides improved sensitivity and specificity compared to traditional nuclear medicine techniques [4]. However, there is relatively less data comparing performance of 68Ga-DOTATATE PET/CT with contrast-enhanced CT (CECT).
Aim(s): To compare the performance of CECT and 68Ga-DOTATATE PET/CT for detecting small bowel NET metastases.
Materials and methods: Patients with a 68Ga-DOTATATE PET/CT between 11/2016-12/2017 and CECT of the abdomen/pelvis within three months of the PET/CT were included. Board-certified radiologists, two nuclear and two abdominal independently reviewed the imaging blinded, noting the presence of metastases: liver, spleen, bone, peritoneum, and lymph nodes: mesenteric, retroperitoneal, upper abdominal, iliac chain.
Conference: 17th Annual ENETS Conference 2020 (2020)
Category: Imaging and Interventions (radiology, endoscopy)
Presenting Author: Hannah Monahan

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