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The swelling of regional lymph nodes in patients with early cancer and histologscal findings of them suggested that immunocapacity of regional lymph nodes might play an important role in regional lymph node metastasis. However, the mechanism of metastasis in the lymph nodes is still obscure. Therefore, in this study, the change of immunocapacity of regional lymph node in patients with cervical cancer was measured in relation to tumor progression, especially lymph node metastasis, by using postoperative classigication of cervical cancer which was more precise than preoperative clinical stage (FIGO stage). Immunostatus of regional lymph nodes was measured by using mitogenic activity of mononuclear cells.As a result, higher mononuclear cell reactivity in patients with carcinoma in situ was found as compared with benign one, but decreased with tumor progression. Cases with lymph node metastasis showed lower mononuclear cell reactivity to PHA or ConA as compared with cases without one.One the other hand, mononuclear cell reactivity in peripheral blood of cancer patients had sligter decrease as compared with benign one. The immunological change in regional lymph nodes was examined by measuring both percentage and reactivity of T-lymphocytes collected from lymph nodes. Cases at early stage had slighter increase of percentages of T-lymphocytes and higher mononuclear cell reactivity as compared with benigh one, but they decreased with tumor progression.These data suggest that decrease of immunocapacity in regional lymph node in relation to tumor progression may be a significant factor for accelerating regional lymph node metastasis.
- 近畿産科婦人科学会の論文
近畿産科婦人科学会 | 論文
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