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Microsurgery of Cervical Intramedullary Ependymomas Extending into the Medulla Oblongata Minoru HOSHIMARU 1 , Tsunemaro KOYAMA 1,2 , Nobuo HASHIMOTO 1,3 1Ohtsu Municipal Hospital, Department of Neurosurgery Keyword: ependymoma , medulla oblongata , intramedullary tumor pp.517-522
Published Date 2000/6/10
DOI https://doi.org/10.11477/mf.1436901900
  • Abstract
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Intramedullary spinal cord ependymomas are well-demarcated tumors, which can be totally resected without significant morbidity. However, it is challenging to remove intramedullary ependymomas extend-ing into the medulla oblongata, because the medulla oblongata has such important roles as regulation of re-spiration, circulation, and digestion. We describe here three cases of intramedullary ependymomas extend-ing into the medulla oblongata. The tumors were localized in the dorsal part of the caudal medulla oblon-gata and were surrounded by the nuclei and tracts related to the dorsal columns. The tumors were safely exposed by dividing the medulla oblongata along the posterior median sulcus and resected from the sur-rounding normal tissues. Although patients demonstrated transient dorsal column dysfunction postoper-atively, the symptom finally recovered.


Copyright © 2000, 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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