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Intradural radicular arteriovenous fistula that mimics dural arteriovenous fistula: report of three cases

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Abstract

We herein present three cases of a rare type of spinal AVF, an intradural radicular AVF, which mimicked a dural AVF. A 65-year-old male presented with congestive myelopathy. On angiography, right vertebral angiogram (VAG) showed a suspected dural AVF; however, left VAG showed the same intradural dilated vein fed by the anterior spinal artery (ASA). Intraoperative and histological results suggested that a single AVF was located on the right C1 nerve root fed by the right C1 radicular artery and branch of the anterior spinal artery. Two additional patients with a radicular AVF at the C3 or C5 level were presented. Intradural radicular AVFs and dural AVFs have very similar appearances; however, there is a difference that makes the risk of the endovascular treatment of radicular AVFs markedly higher because of blood supply from the ASA. In our case, the AVF was completely occluded by direct surgery without major complications.

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Authors and Affiliations

  1. Department of Neurosurgery, Tokyo Metropolitan Neurological Hospital, 2-6-1, Musashidai, Fuchu, Tokyo, 183-0042, Japan

    Keisuke Takai & Makoto Taniguchi

  2. Laboratory Medicine and Pathology, Tokyo Metropolitan Neurological Hospital, 2-6-1, Musashidai, Fuchu, Tokyo, Japan

    Takashi Komori

  3. Department of Cerebrovascular Surgery, International Medical Center, Saitama Medical University, Saitama, Japan

    Hiroki Kurita

  4. Department of Neurosurgery, Jichi Medical University, Tochigi, Japan

    Kensuke Kawai

  5. Department of Neurosurgery, NTT Medical Center, Tokyo, Japan

    Tomohiro Inoue

Authors
  1. Keisuke Takai
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  2. Takashi Komori
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  3. Hiroki Kurita
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  4. Kensuke Kawai
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  5. Tomohiro Inoue
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  6. Makoto Taniguchi
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Correspondence to Keisuke Takai.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study formal consent is not required.

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Takai, K., Komori, T., Kurita, H. et al. Intradural radicular arteriovenous fistula that mimics dural arteriovenous fistula: report of three cases. Neuroradiology 61, 1203–1208 (2019). https://doi.org/10.1007/s00234-019-02275-0

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  • DOI: https://doi.org/10.1007/s00234-019-02275-0

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