894P Utility of histopathological revision in the management of gastro-entero-pancreatic neuroendocrine neoplasia

Accurate assessment of Ki67 is a key point in the diagnostic work-up of gastroentero-pancreatic neuroendocrine neoplasms (GEP-NENs) before planning a tailored treatment, owing to its prognostic role. However, there are concerns regarding the lack of uniformity for quantifying Ki67, particularly in low-volume centers with no specific expertise on NENs.