Synchronous Triple Gastric Cancer Incorporating Mixed Adenocarcinoma and Neuroendocrine Tumor Completely Resected with Endoscopic Submucosal Dissection

Internal Medicine
Kimitoshi KuboMototsugu Kato

Abstract

The endoscopic and pathological features of early gastric mixed adenoneuroendocrine carcinoma (MANEC), as well as its carcinogenesis, remain largely unclear. Screening esophagogastroduodenoscopy was performed on an 80-year-old man, revealing 3 superficial elevated lesions. Endoscopic submucosal dissection (ESD) was performed, and the patient was diagnosed with intramucosal gastric cancer comprising mixed adenocarcinoma and neuroendocrine tumor, well-differentiated adenocarcinoma and well-differentiated adenocarcinoma, with negative margins. To our knowledge, this is the first report describing the endoscopic and pathological findings of synchronous triple gastric cancer incorporating mixed adenocarcinoma and neuroendocrine tumor completely resected with ESD.

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Citations

Jan 23, 2020·Journal of Clinical Medicine·Melissa FrizzieroMairéad G McNamara
Sep 23, 2020·Medicine·Keitaro TakahashiToshikatsu Okumura
Apr 2, 2021·Case Reports in Gastroenterology·Yoshifumi SanoJunko Fujisaki

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Methods Mentioned

BETA
dissection

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