Ampulla of Vater, Adenocarcinoma, Large cell neuroendocrine carcinoma, Collision tumor"/>
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A Case of a Collision Tumor in the Ampulla of Vater with an Adenocarcinoma and a Large Cell Neuroendocrine Carcinoma
[Epub ahead of print]
Published online: February 28, 2011
Department of Internal Medicine, Institute of Health Science, School of Medicine, Gyeongsang National University, Jinju, Korea
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Most tumors affecting Vater's ampulla are adenocarcinomas, but a neuroendocrine carcinoma in the ampulla of Vater is extremely rare. The coexistence of these two tumors has been reported in only a few cases. Here, we report a rare case of a collision tumor of the ampulla of Vater with an adenocarcinoma and a large cell neuroendocrine carcinoma. (Korean J Gastrointest Endosc 2011;42:127-130)

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