Characteristics of Recurred Early Gastric Cancer after Gastric Resection

Jung, Soon Jai; Kim, Byung Sik; Oh, Sung Tae; Yook, Jeong Hwan; Choi, Won Yong; Lee, Chang Hwan

Abstract

PURPOSE
The proportion of early gastric cancer has recently increased. Although early gastric cancer has a very good prognosis following a curative resection, and recurrences rarely occur, if there is a distant recurrence the prognosis is grave. To predict to the potential of a recurrence after a gastrectomy, early gastric cancer patients were retrospectively analyzed. METHODS: 1, 131 early gastric cancers were curatively resected at the Asan Medical Center between Jan, 1990 and Sep, 1997. Recurrences were observed in 46 patients during the follow up period. The clinical characteristics of the recurred and cured groups were compared. Any statistical significance was calculated using Chi-Squared and Log rank tests, using SPSS version 10.0. RESULTS: The recurrence and 5-year survival rates of the recurred patients were and 9%, respectively. Hematogenous recurrences were the most common mode of recurrence, followed by lymph node recurrences. The mean tumor size, numbers of lesions, location of tumor, status of lymph node dissection and operation type, did not affect tumor recurrences. The grossly elevated type of tumor, submucosal layer invasion and differentiated cancer, most frequently recurred. The rate of recurrence linearly increased with increase of the nodal stage. All patients with a lymph node recurrence had lymph node metastasis at the initial surgery. CONCLUSION: In early gastric cancer patients, the elevated type, or a differentiated adenocarcinoma, may recur at a distant organ. A more careful follow-up will be required if the surgical removal of a metastatic tumor is intended, as chemotherapy is ineffective. The sentinel lymph node should be examined by a frozen biopsy at the beginning of the initial surgery, in order to determine the range of a lymph node dissection to avoid a nodal recurrence.