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Ultrastructure of Capillary Permeability in Malignant Lymphoma Akira OCHI 1 , Shobu SHIBATA 1 , Kazuo MORI 1 1Department of Neurosurgery, Nagasaki University School of Medicine Keyword: Primary malignant lymphoma , Capillary endothelium , Fenestrae pp.1139-1143
Published Date 1989/12/10
DOI https://doi.org/10.11477/mf.1436202929
  • Abstract
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The ultrastructure of the blood vessels of primary central nervous system malignant lymphoma was stu-died and compared with those in glial, non-glial and metastatic brain tumors. Five surgical specimens were studied by conventional ultrathin section and freeze-fracture replica techniques. Tumor vessels of various sizes were found. The luminal surfaces of the tumor vessels were irregular and the basal lamina had mul- tiple-layer structure. The perivascular spaces were en- larged and infiltrated with tumor cells. The endothe-lium had marked infoldings, increased pinocytotic ve- sicles and fenestrations.


Copyright © 1989, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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