Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2013
Simple pathological examination technique for detection of cancer located at the surgical margin of the stomach.
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Okuda Kotaro, Ishihara Sho, Fujita Yasuko, Yamamoto Noriko, Kishimoto Mitsuo, Konishi Eiichi, Kato Yo, Yanagisawa Akio
Аннотация
BACKGROUND: The technique for examining surgical resection margins described in the Japanese Classification of Gastric Carcinoma is based on the examination of continuous infiltration by the primary tumor, and discontinuous lesions such as multiple cancers are not examined. However, examining lesions-particularly cancers-at the resection margins is important for the prevention of cancers in the remaining stomach that result from cancer remnants (remnant gastric cancer).
METHODS: The clinical usefulness of a simple pathological examination technique for detecting cancer located at the surgical margin of the stomach was studied. A specimen 5-8 mm wide was resected from the surgical cut margin along the entire circumference of the stomach. When the pathological margin was positive for cancer, the surgical margin was also examined, and cases that were positive for cancer were regarded as marginally positive.
RESULTS: Of the 1,498 patients with early gastric cancer who were examined using this method, 17 (1.1 %) were marginally positive for multiple cancers, and 8 of these 17 patients (57 %) had microcancers <5 mm in diameter.
CONCLUSION: This method is simple and useful for detecting cancer involving the surgical margin, which occurs at a rate of 1.1 %, making it possible to prevent remnant gastric cancer by reoperation.
METHODS: The clinical usefulness of a simple pathological examination technique for detecting cancer located at the surgical margin of the stomach was studied. A specimen 5-8 mm wide was resected from the surgical cut margin along the entire circumference of the stomach. When the pathological margin was positive for cancer, the surgical margin was also examined, and cases that were positive for cancer were regarded as marginally positive.
RESULTS: Of the 1,498 patients with early gastric cancer who were examined using this method, 17 (1.1 %) were marginally positive for multiple cancers, and 8 of these 17 patients (57 %) had microcancers <5 mm in diameter.
CONCLUSION: This method is simple and useful for detecting cancer involving the surgical margin, which occurs at a rate of 1.1 %, making it possible to prevent remnant gastric cancer by reoperation.