Published online Sep 6, 2019. doi: 10.12998/wjcc.v7.i17.2413
Peer-review started: May 8, 2019
First decision: May 31, 2019
Revised: July 26, 2019
Accepted: August 20, 2019
Article in press: August 20, 2019
Published online: September 6, 2019
Processing time: 137 Days and 9.6 Hours
Core tip: Gastric neuroendocrine tumors are a rare entity with increasing incidence. Different pathophysiological processes can lead to the development of these tumors, appropriate histological analysis is necessary to differentiate between grade 1 (G1) and grade 2 (G2) tumors as this will impact the management of these patients based on their increased risk of lymph node and distant metastases. In this mini-review article, we aim to provide a comprehensive clinicopathologic review of multifocal gastric neuroendocrine tumors, with particular emphasis on G1 and G2 tumors and differentiating between types I, II and II and risk stratification based upon immunohistochemical profile. We have based this review on peer-reviewed literature and the authors’ experience.
