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Analysis of the Proliferative Potential of Meningiomas with MIB-1 Monoclonal Antibodies Mitsusuke Miyagami 1 , Tadashi Shibuya 1 , Atsushi Miyagi 1 , Takashi Tsubokawa 1 1Department of Neurological Surgery, School of Medicine Nihon University Keyword: meningioma , MIB−1 , immunohistochemistry , malignant meningioma , tumor recurrence pp.39-43
Published Date 1996/1/1
DOI https://doi.org/10.11477/mf.1406900891
  • Abstract
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Tumor recurrence was observed in 12 (11.3%) out of 106 cases of intracranial meningioma followed for more than 5 years. Proliferative potential was evaluated immunohistochemically with MIB-1 monoclonal antibodies in 37 cases of non-recurrent meningioma and 12 cases (21 samples) of recurrent meningioma. The proliferating cell index (PCI) was much higher in the non-recurrent meningiomas than the recurrent meningiomas (10.6±7.7 [mean±SD] versus 1.9±1.5). Most recurrent meningiomas had high PCI values, greater than 3%. High PCI values of more than 5% were found in 13 (62%) of the 21 samples of recurrent meningioma.


Copyright © 1996, 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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