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KMID : 1038120190520010076
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Clinical Endoscopy
2019 Volume.52 No. 1 p.76 ~ p.79
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Primary Gastric Small Cell Carcinoma: A Case Identified as a Large Subepithelial Tumor from Invisible State in 6 Months
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Lee Yun-Im
Jeon Hong-Kil
Im Jae-Wook
Oh Sang-Yu
Kim Kyung-Bin
Kim Byung-Gyu
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Abstract
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Primary gastric small cell carcinoma (GSCC) is one of the gastroenteropancreatic neuroendocrine tumors. It is a rare cancer with a very aggressive behavior and a poor prognosis because of the high rate of metastases. It is usually found in far advanced stage. We experienced a case of GSCC which had developed into a large subepithelial tumor (SET) from invisible state in a short period. A 65-year-old man consulted our hospital because of early gastric cancer. He underwent endoscopic submucosal dissection for the early gastric cancer at high body posterior wall. After 6 months, the follow-up endoscopy showed a large newly developed SET-like lesion with central ulceration at the gastric cardia. Endoscopic biopsy revealed GSCC. Total gastrectomy was performed. One out of the 26 perigastric lymph nodes had a metastasis. He received 6 cycles of adjuvant chemotherapy with etoposide and cisplatin. He is still in good health 12 months after operation.
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KEYWORD
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Carcinoma, small cell, Neuroendocrine tumors, Stomach, Subepithelial tumor
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