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Cell Reactions to Metastatic Tumors in the Regional Lymph Nodes

Yonsei Medical Journal 1976년 17권 1호 p.1 ~ 14
이유복, 김정숙,
소속 상세정보
이유복 ( Lee Yoo-Bock ) - Yonsei University College of Medicine Department of Pathology
김정숙 ( Kim Chung-Sook ) - Yonsei University College of Medicine Department of Pathology

Abstract


Cell reactions to metastatic tumors in the regional lymph nodes were studied by light and electron microscope in 20 cases; i.e. reactive hyperplasia (3), tuberculosis (3), metastatic carcinomas from the breast (4), from the stomach (2), from the lung (2), metastatic epidermoid carcinoma (2), metastatic malanoma (2), and reticulum cell sarcoma (2). The lymph node response was usually germinal center predominence type and the pyroninophilic cell response was a similar pattern of nonspecific germinal centers with prominent reactive hyperplasia. In two cases of undifferentiated tumors, one from the breast and another from the lung, large numbers of pyroninophilic cells were found within the tumor tissue. However, the majority of lymphoid cells surrounding tumor cell or tumor masses were pyronin negative lymphocytes. Electron microscopic observations revealed that the cells
surrounding tumor cells were mostly medium sized lymphocytes, occasionally blast cells and mature plasma cells. The contact border between the tumor cells and the surrounding cells was mostly tight and smooth, but occasionally loose with irregular processes, and widely separated in the case with plasma cells. Degenerative changes of adjacent cytoplasm of either the tumor cells or the lymphocytes were not frequent, but in some instances focal degeneration of adjacent cytoplasm, particularly on the side of the lymphocytes, was noted.

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