Bow–Hunter Syndrome Due to Tandem Lesions; A Case Report

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Abstract: Bow–Hunter syndrome (BHS) includes a form of stroke caused by dynamic factors affecting the extracranial vertebral artery (VA), such as rotation-induced flow disturbance at the atlantoaxial level. BHS is a rare condition that can result from a variety of factors, including abnormal bone compression and vertebral instability. So far, there have been no reports in which both vertebral instability and osteophytes compress the VA at different sites, leading to stroke. Herein, we present a rare case of stroke attributed to BHS involving thrombosis formation due to osteophyte compression at C3/4 and VA occlusion due to vertebral instability at the C4/5 overlapped. A 72-year-old male presented with rotational vertigo and vomiting associated with a cerebellar infarction. Digital subtraction angiography revealed severe stenosis of the left VA with an intra-arterial thrombus. Percutaneous transluminal angioplasty improved the stenosis; however, intravascular ultrasound revealed compression of the VA by osteophytes at C3/4. Additionally, left VA occlusion at C4/5 was confirmed because of vertebral instability. The osteophyte was removed via the anterolateral approach, and the VA was decompressed. The patient's postoperative course was uneventful, with no recurrence for more than 2 years. BHS can occur in the lower cervical spine when vertebral instability coincides with intimal arterial damage caused by osteophytes at other sites.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Bow–Hunter Syndrome Due to Tandem Lesions; A Case Report ; day:04 ; month:11 ; year:2024
Asian journal of neurosurgery ; (04.11.2024)

Contributor: Yokoya, Shigeomi
Nakauchi, Jun
Takezawa, Hidesato

DOI: 10.1055/s-0044-1792160

URN: urn:nbn:de:101:1-2501021031243.111544795216

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 15.08.2025, 7:37 AM CEST

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Yokoya, Shigeomi
Nakauchi, Jun
Takezawa, Hidesato

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