Adenocarcinoma arising from gastric duplication: a case report with literature review |
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Authors: | Kazuhiko Fukumoto Shohachi Suzuki Takanori Sakaguchi Yoshifumi Morita Kosuke Oishi Atsushi Suzuki Keisuke Inaba Kinji Kamiya Katsutoshi Miura Hiroyuki Konno |
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Institution: | (1) Second Department of Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu 431-3192, Japan;(2) Department of Pathology, Hamamatsu University School of Medicine, Hamamatsu 431-3192, Japan |
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Abstract: | Gastric duplication is a rare congenital malformation. We report the case of a 50-year-old man with adenocarcinoma derived
from gastric duplication. He was referred to our institute because of persistent vomiting due to pyloric stenosis. Abdominal
computed tomography revealed two cystic lesions: a 2-cm mass located along the greater curvature of the upper gastric corpus
and a 3-cm mass adjacent to the bulbus. Under the diagnosis of gastric duplication cysts, the oral cyst was removed with the
gastric wall and the other cyst lesion firmly adhered to the bulbus was treated with distal gastrectomy. Based on histological
findings showing adenocarcinoma in the anal duplication cyst wall and regional lymph node metastases and cancer invasion into
the duodenal stump, pancreatoduodenectomy was performed 9 days after the initial surgery. Invasion into the pancreas head
and duodenal walls was seen in the resected specimen. Although the postoperative course was uneventful, he died of local recurrence
and multiple liver metastases 14 months after surgical treatment. This case report with literature review indicates that alimentary
tract duplication cysts should be recognized as risky lesions of cancer development in patients aged 50 years or over. |
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Keywords: | Adenocarcinoma Alimentary tract duplication Cancer development Gastric duplication cyst |
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