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KMID : 0914820110110020126
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Journal of the Korean Gastric Cancer Association
2011 Volume.11 No. 2 p.126 ~ p.130
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Composite Neuroendocrine Carcinoma with Adenocarcinoma of the Stomach Misdiagnosed as a Giant Submucosal Tumor
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Kim Tae-Yoon
Chae Hyun-Dong
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Abstract
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A composite glandular/exocrine-endocrine carcinoma of the gastrointestinal tract is characterized by the co-existence of two adjacent, but histologically-distinct tumors in an organ. Composite glandular/exocrine-endocrine carcinomas are a special type of tumor comprised of common adenocarcinomas and neuroendocrine components that account for at least one-third of the entire tumor area. Composite tumors have been reported in a range of organs, but are relatively rare in the stomach. We report a case of a composite neuroendocrine carcinoma with an adenocarcinoma of the stomach (mixed exocrine-endocrine carcinoma), which was misdiagnosed as a giant submucosal tumor preoperatively based on esophagogastroduodenoscopy and a contrast-enhanced axial computed tomographic scan.
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KEYWORD
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Composite tumor, Stomach, Submucosal tumor
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