Endocrine Abstracts

Introduction: A change in the biological behaviour of Small-Intestinal Neuroendocrine Tumours (SiNETs), as reflected by an increase in the Ki-67 proliferation index may occur over time. The purpose of this study was to evaluate longitudinal changes in Ki-67 indices of SiNETs and assess the impact of these in overall survival (OS).Patients and methods: We screened 551 patients with SI-NETs diagnosed from 1993, through 2021, identified using the SI-NET dat...