J.Jpn. Surg. Soc.. 82(6): 599-611, 1981
Original article
A HISTO-MORPHOLOGICAL STUDY ON THE CORRELATION BETWEEN PRIMARY LESION AND METASTATIC LYMPH NODES IN GASTRIC CANCER
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First Department of Surgery, Tottori University School of Medicine (Director: Prof. Shigemasa Koga) Hiroki Kawaguchi |
1) Although a variety of basic histologic types of gastric cancer were seen in both the primary and metastatic lesions, the histologic types seen in the metastatic lymph nodes were invariably found in the primary lesion.
2) The histologic types seen in the metastatic lesions were highly coincident with those found in the mucosa and submucosa of the primary lesion. This is assumed to be related to lymph vessel invasions which are frequently observed in the submucosal layer of gastric wall.
3) Only a predominant histologic type of gastric cancer was found in the metastatic lymph nodes in about a half of the cases examined, and in the remaining half, several histologic types were seen. There was a tendency for a histologic type with larger volume of tumor tissue in the primary lesion to be associated with metastasis.
4) It seemed that the differentiated types of gastric cancer established the lymph node metastases with more increasing frequency than the poorly differentiated types, especially poorly differentiated scirrhous carcinoma and signet ring cell carcinoma showed a less tendency to produce metastasis.
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