Nordic NEC 2: Characteristics and treatment outcome in a prospective cohort of 698 patients with high-grade digestive neuroendocrine neoplasms (NET G3 and NEC)

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Introduction: Digestive high-grade (HG) neuroendocrine neoplasms (NEN) are rare with limited data on epidemiology, treatment benefit and survival.

Aim(s): Generate new data through a prospectively collected cohort.

Materials and methods: 861 cases were prospectively included 2013-2017. MINEN were excluded. Centralized pathological re-evaluation was performed in 495/698 cases. All cases with Ki-67 <60% were re-evaluated.

Conference:

Presenting Author:

Authors: Sorbye H, Hjortland G, Vestermark L, Laderkarl M, Svensson J,

Keywords: NEC, NET G3, digestive, chemotherapy, neuroendocrine neoplasms,