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A Case of Vertebral Artery Occlusion Caused by Transverse Process Fracture of C7 Satoru Takeuchi 1 , Yoshio Takasato 1 , Hiroyuki Masaoka 1 , Takanori Hayakawa 1 , Naoki Otani 1 , Yoshikazu Yoshino 1 , Hiroshi Yatsushige 1 1Department of Neurosurgery, National Hospital Organization Disaster Medical Center Keyword: vertebral artery occlusion , trauma , transverse process fracture , asymptomatic pp.870-873
Published Date 2008/7/1
DOI https://doi.org/10.11477/mf.1416100320
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Abstract

 Traumatic vertebral artery injuries are frequently accompanied by cervical spine injury. Transverse process fracture from C6 to C1 has been reported as a high risk factor for vertebral artery injury.

 We report a rare case of vertebral artery occlusion caused by transverse process fracture of C7. A 22-year-old man was admitted to our hospital after a motor-cycle accident. Neurological examination revealed almost normal findings. Axial computed tomography (CT) at the C7 level revealed soft-tissue swelling of the neck and right transverse process fracture. Further, a bony fragment protruding in the anterolateral direction was observed. Magnetic resonance (MR) image showed normal findings. MR angiography (MRA) revealed right vertebral artery occlusion at the V1 segment. Vertebral artery angiography revealed right vertebral artery occlusion, normal basilar artery, and retrograde flow of the right vertebral artery. The patient was treated with heparin and aspirin and discharged 28 days after admission. A follow up MRA at 2 months after admission demonstrated no change in right vertebral artery occlusion, and he was still asymptomatic 3 months after admission. We conclude that the transverse process fracture of C7 complicated with soft-tissue swelling of the neck could cause vertebral artery injury, and MRA and angiography are recommended for diagnosis and treatment, respectively.


Copyright © 2008, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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