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Japanese

Nucleolar Organizer Regions in Meningiomas with Reference to Histopathological Findings and Recurrence Hiroshi Hirayama 1 , Akira Hara 1 , Syuuzi Niikawa 1 , Tomohiko Iwai 1 , Yasuaki Nishimura 1 , Takashi Ando 1 , Noboru Sakai 1 , Hiromu Yamada 1 , Mitsuaki Takada 2 1Department of Neurosurgery, Gifu University School of Medicine 2Takayama Red Cross Hospital Keyword: nucleolar ogranizer region , meningioma , recurrence pp.355-361
Published Date 1993/4/1
DOI https://doi.org/10.11477/mf.1406900469
  • Abstract
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A silver staining technilue was used in the study of nucleolar organizer regions (Ag-NORs) in paraffin sections of 40 meningiomas. The specimens were devided into three groups as follows : typical (n=24), atypical (n=8) and recurrent (n=8) groups, and the mean number of Ag-NORs was evaluated in three groups. The mean Ag-NORs number (mean±S.D.) of typical, atypical and recurrent group was 1.48±0.14,1.82±0.16 and 2.05±0.23 respectively. The mean Ag-NORs number ofatypical and recurrent groups was significantly greater than that of typical group. These results suggest that the proliferative potential of menin-giomas and the risk of recurrence could be evaluat-ed by quantification of Ag-NORs.


Copyright © 1993, 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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