Mixed neuroendocrine-non-neuroendocrine neoplasm associated with autoimmune gastritis.
Naoko MoriMasanori HongoShizuki TakemuraYoshihiko SugitaniFumiyasu NakamuraMasaji TaniAtsushi NishidaOsamu InatomiAkira AndohHiromitsu BanPublished in: Clinical case reports (2022)
A 60-year-old woman presented with a protruding tumor at the anterior wall of the middle gastric body, and she was positive for anti-parietal cells antibodies with elevated serum gastrin level. Final diagnosis was a mixed neuroendocrine-non-neuroendocrine neoplasm consisting of adenocarcinoma (tub1) and neuroendocrine tumor G2 with autoimmune gastritis.