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  • Title: Recurrence in early gastric cancer--presence of micrometastasis in lymph node of node negative early gastric cancer patient with recurrence.
    Author: Saito H, Osaki T, Murakami D, Sakamoto T, Kanaji S, Ohro S, Tatebe S, Tsujitani S, Ikeguchi M.
    Journal: Hepatogastroenterology; 2007 Mar; 54(74):620-4. PubMed ID: 17523336.
    Abstract:
    BACKGROUND/AIMS: There are cases of recurrence even after curative resection in early gastric cancer. METHODOLOGY: Seven hundred and sixty-five patients with early gastric cancer who underwent curative gastrectomy were analyzed to identify the prognostic factor. Micrometastases within lymph nodes were determined by immunohistochemistry using anti-cytokeratin antibody in node-negative early gastric cancer patients with recurrence. RESULTS: The recurrence was observed in 17 patients. Hematogenous recurrence was observed most frequently (47.1%), followed by peritoneal recurrence (23.5%). Of 17 patients with recurrence, 6 (35.3%) patients died more than 5 years after operation. The prognosis was poorer when the patients were older, and the depth of invasion was greater, lymph node metastasis, lymphatic involvement, and vascular involvement were present, and lymph node dissection was limited. The independent prognostic factors were lymph node metastasis, lymph node dissection, and age by multivariate analysis using Cox proportional hazards. Micrometastases within lymph nodes were confirmed in 3 of 6 node-negative patients with recurrence. CONCLUSIONS: When patients have lymph node metastases or are older, close and long-term follow-up and careful planning of postoperative adjuvant therapy might be necessary to avoid recurrence. The detection of micrometastases by anti-cytokeratin antibody might be useful for predicting the possibility of recurrence in early gastric cancer.
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