10.3760/cma.j.issn.1673-422X.2015.04.019

Gastrointestinal neuroendocrine tumor (GI-NET) originates from peptide neurons and neuroendocrine cells in gastrointestinal tract, and secrets peptide hormones, leading to carcinoid syndrome which rarely happens in clinical practice. Because of the improvement of diagnostic method and understanding of this rare disease, the morbidity is rising in recent years. The main treatments of GI-NET are surgery and comprehensive therapy, consisting of chemotherapy and targeted therapy. Key words: Gastrointestinal tract; Neuroendocrine tumors; Diagnostic evaluation; Therapeutics