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KMID : 0371320000580050650
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Journal of the Korean Surgical Society
2000 Volume.58 No. 5 p.650 ~ p.655
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Clinicopathologic Characteristics of Neuroendocrine Tumor of the Stomach
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김용호/Yong-Ho Kim
오성태/정동해/육정환/김병식/박건춘/Sung-Tae Oh/Dong-Hae Jeong/Jeong-Hwan Yook/Byung-Sik Kim/Keon-Chun Park
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Abstract
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Purpose
Very few cases of neuroendocrine tumor of the stomach have been reported in Korea. The prognosis of gastric neuroendocrine tumors is known to be poorer than that of ordinary gastric carcinomas. The purpose of this retrospective study was to
review
the
clinicopathologic features of seven cases of this unusual gastric tumor. Methods
Excluding the tumor containing only sparse neuroendocrine differentiation, we resected 7 typical neuroendocrine tumors from January 1995 to December 1997 at Asan Medical Center; 2,346 gastric cancer patients were treated surgically during the
same
period. Average follow up period was 22.6 months. Results
A typical well demarcated tumor margin was observed in four of the seven cases. The entire tumor was located on the distal stomach. Even when the tumor had deep ulcerations, the tumor cells had not infiltrated the serosal layer. Three cases
showed
recurrence of disease. All the recurrences were found in the liver within 12 months, and two of them, who were not indicated for chemotherapy, died within 10 months after diagnosis of recurrence. One patient with a recurrence was treated with
systemic
chemotherapy just after the diagnosis and was still alive after 29 months. Conclusion
Gastric neuroendocrine tumor frequently recurs the liver even in an early stage and especially when preoperative CEA is increased. We experienced a case of successful control of hepatic metastasis by using systemic chemotherapy.
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KEYWORD
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