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Japanese

MONSTROUS CELL IN MALIGNANT GLIOMAS : IN RELATION TO RADIATION AND CHEMOTHERAPY Motohide Ogashiwa 1 , Kazuo Takeuchi 1 , Keiichiro Akai 2 1Department of Neurosurgery, Kyorin University School of Medicine 2Department of Pathology, Kyorin University School of Medicine pp.733-742
Published Date 1981/7/1
DOI https://doi.org/10.11477/mf.1406204796
  • Abstract
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The pathological effects of irradiation and chemo-therapy have been studied in 9 autopsy cases of malignant and low grade gliomas. The brains have been examined by means of the complete study technique. Many histological features have been related to surgery, grading of histological classification of gliomas, irradiation and chemo-therapy.

Following irradiation and chemotherapy, in ad-dition to increased necrosis and vascular response,a variety of characteristic changes were observed in cell and nuclear morphology with prominent formation of monstrous cells in all of 5 malignant gliomas treated with nitrosourea. These monstrous cells had irregular and hyperchromatic multinuclei and showed cytoplasmic degeneration. These cells which had no direct relationship to vessels dis-tributed both in the periphery of tumor or necrosis and in the white matter remote from the main tumor. These changes were more pronounced in autopsy than in biopsy. The features showed here indicate that the monstrous cells may appear due to the result of inhibition of tumor cell division at the late mitotic phase after irradiation and chemotherapy.


Copyright © 1981, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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