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#4347 Mixed neuroendocrine non-neuroendocrine neoplasm associated with gastric autoimmunity: A clinicopathological analysis of two cases

Introduction: Two cases of mixed neuroendocrine tumour - gastric adenocarcinoma were found in patients with autoimmune atrophic gastritis. Both components expressed synaptophysin, initially suggesting a neuroendocrine tumour diagnosis. However, further examination confirmed the presence of gastric adenocarcinoma of fundic gland type.

Conference:

Presenting Author:

Authors: Huang D, Chen X, Chu J, Ma M,

Keywords: Mixed neuroendocrine tumour, autoimmune atrophic gastritis, gastric adenocarcinoma of fundic gland type,