Rotational vertebral artery occlusion syndrome
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Rotational occlusion of the vertebral artery, also known as Bowhunter syndrome, is a rare form of posterior cerebral circulation ischemia secondary to dynamic compromise of the dominant vertebral artery.
It has many aetiologies, but is most often due to large osteophytes or atlanto-axialhypermobility
Radiographics features
Angiography
The diagnosis is established using provocative digital subtraction cerebral angiography, in which the patient reproduces symptomatic movements, and the site of vertebral artery compression may be identified.
See also
-<p><strong>Rotational occlusion of the vertebral artery</strong>, also known as <strong>Bowhunter syndrome</strong>, is a rare form of posterior cerebral circulation ischemia secondary to dynamic compromise of the dominant <a title="Vertebral artery" href="/articles/vertebral-artery">vertebral artery</a>.</p><p>It has many <span id="e7c35d56-b506-487e-bf42-bfbb0f7b9467" ginger_software_uiphraseguid="50bc7bf4-ec76-4672-a67c-a4a135b5575b">aetiologies</span>, but is most often due to large <a title="osteophytes" href="/articles/osteophytes"><span id="4ad93ab7-656d-4c37-b97f-acfc219723f0" ginger_software_uiphraseguid="50bc7bf4-ec76-4672-a67c-a4a135b5575b">osteophytes</span></a> or atlanto-axial <span id="e507fb09-d700-4b96-b8c7-e3e181538d26" ginger_software_uiphraseguid="50bc7bf4-ec76-4672-a67c-a4a135b5575b">hypermobility</span>.</p><h4>-<span id="078444c8-c047-49a2-9eef-7a95cc4d51f9" ginger_software_uiphraseguid="c2f59190-1c72-4aa9-b4e1-54905fd5a09c">Radiographics</span> features</h4><h5>Angiography</h5><p>The diagnosis is established using provocative digital subtraction cerebral angiography, in which the patient reproduces symptomatic movements, and the site of vertebral artery compression may be identified.</p><h4>See also</h4><ul><li><a title="Vertebral artery thrombosis" href="/articles/vertebral-artery-thrombosis"><span id="a5bf8b1e-baec-4767-a25c-f0ad86a6b489" ginger_software_uiphraseguid="52a41d13-e900-4633-ad3a-eac211bc4d1c">vertebral</span> artery occlusion</a></li></ul>- +<p><strong>Rotational occlusion of the vertebral artery</strong>, also known as <strong>Bowhunter syndrome</strong>, is a rare form of posterior cerebral circulation ischemia secondary to dynamic compromise of the dominant <a href="/articles/vertebral-artery">vertebral artery</a>.</p><p>It has many aetiologies, but is most often due to large <a href="/articles/osteophytes">osteophytes</a> or atlanto-axial hypermobility.</p><h4>Radiographics features</h4><h5>Angiography</h5><p>The diagnosis is established using provocative digital subtraction cerebral angiography, in which the patient reproduces symptomatic movements, and the site of vertebral artery compression may be identified.</p><h4>See also</h4><ul><li><a href="/articles/vertebral-artery-thrombosis">vertebral artery occlusion</a></li></ul>
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- cases
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- Syndromes
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