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KMID : 0357920010350010076
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Korean Journal of Pathology
2001 Volume.35 No. 1 p.76 ~ p.79
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Gastric Collision Tumor (Adenocarcinoma and Neuroendocrine Carcinoma) - A Report of Two Cases -
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Park Ho-Sung
Lee Dong-Geun
Chung Myoung-Ja
Moon Woo-Sung
Kang Myoung-Jae
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Abstract
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Concurrence of adenocarcinoma and neuroendocrine carcinoma in the gastrointestinal tract has rarely been observed. We report two cases of gastric collision tumors (adenocarcinoma and neuroendocrine carcinoma) that developed in a 64-year-old man and a 71-year-old man. In both cases, there was a single ulcerative lesion in the stomach. Histologically, the gastric lesions were composed of two discrete lesions: tubular adenocarcinoma at the edge of an ulcer and neuroendocrine carcinoma in the ulcer base. We will discuss collision and composite tumors.
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KEYWORD
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Collision tumor, Neuroendocrine carcinoma, Adenocarcinoma
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