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KMID : 0914820010010030150
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Journal of the Korean Gastric Cancer Association
2001 Volume.1 No. 3 p.150 ~ p.154
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Multiple Early Gastric Cancer
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Park Sung-Soo
Ryu Keun-Won
Song Tae-Jin
Mok Young-Jae
Kim Chong-Suk
Kim Seung-Joo
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Abstract
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Purpose: Multiple early gastric cancers were found in 6.9∼11.7% of patients with early gastric cancer. The goal of this study was to clarify the clinicopathologic features of and to investigate treatment strategy for multiple early gastric cancer.
Materials and Methods: Of 967 patients with an gastric adenocarcinoma who were treated by surgical resection during the period of 1993∼1998 at the Department of Surgery, Korea University College of Medicine, 267 patients had early gastric cancer. A retrospective analysis of the clinicopathologic differences between the main and the accessory lesions in multiple early gastric cancer was carried out. A comparative analysis was also conducted between solitary early gastric cancer and multiple early gastric cancer.
Results: Of 267 patients with early gastric cancer, multiple early gastric cancers were found in 12 patients (4.5%), including 10 men and 2 women. Eleven patients with multiple early gastric cancer had one accessory lesion and 1 patient had 2 accessory lesions. Of the 13 accessory lesions, 7 (53.8%) were located in the same region as the main lesion. The most frequent combination of macroscopic types for the main lesion and the accessory lesion were depressed and depressed types (6 cases, 46.1%). The most frequent histologic type of main lesion was a well differentiated adenocarcinoma in 7 (58.3%) of the 12 cases; the accessory lesion was also well differentiated in 4 of those 7 cases. Of the 13 accessory lesions, 4 (30.8%) had been overlooked preoperatively; most of them were located in the lower third of the stomach and were IIb or IIc type and measured less than 1 cm in diameter. Lymph node metastasis was detected in 1 patient (8.3%). The clinicopathologic features of multiple early gastric cancer were not different from those of solitary early gastric cancer.
Conclusion: In multiple early gastric cancer, the main and the accessory lesions showed similar differentiation, and lymph node metastasis was less frequent than in solitary early gastric cancer. Therefore, limited procedures, including endoscopic mucosal resection, may be indicated if each lesion of the multiple early gastric cancer fits the criteria for treatment strategy.
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KEYWORD
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Early gastric cancer, Multiple
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