Basilar artery hypoplasia
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Basilar artery hypoplasia (BAH) is a rare vascular anomaly anomaly of the vertebrobasilar system.
Pathology
Associations
BAH is usually accompanied by one or more fo the following:
- persistent carotid-vertebrobasilar anastomoses
- hypoplastic V4 segments
ofof thevertebral arteries - unilateral or bilateral fetal origin of the posterior cerebral artery
Related pathology
There are some studies suggesting that BAH BAH is related to undetermined or lacunar posterior circulation stroke, however, further studies are required to confirm this association 1.
Differential diagnosis
Acquired conditions must be excluded as differential diagnosis, such as:
- atherosclerotic stenosis: commonly involve the
middlemiddle portion of basilar artery, with irregular and non-uniform appearance -
fibromuscular dysplasia: commonly presented
asas multifocal stenosis and adjacent dilatations
-<p><strong><a title="Basilar artery" href="/articles/basilar-artery">Basilar artery</a> hypoplasia (BAH)</strong> is a rare vascular anomaly of the vertebrobasilar system.</p><h4>Pathology</h4><h5>Associations</h5><p>BAH is usually accompanied by one or more fo the following:</p><ul>- +<p><strong><a href="/articles/basilar-artery">Basilar artery</a> hypoplasia (BAH)</strong> is a rare vascular anomaly of the vertebrobasilar system.</p><h4>Pathology</h4><h5>Associations</h5><p>BAH is usually accompanied by one or more fo the following:</p><ul>
-<li>hypoplastic V4 segments of the <a href="/articles/vertebral-artery">vertebral arteries</a>- +<li>hypoplastic V4 segments of the <a href="/articles/vertebral-artery">vertebral arteries</a>
-<li>unilateral or bilateral <a href="/articles/fetal-pcom-1">fetal origin of the posterior cerebral artery</a>- +<li>unilateral or bilateral <a href="/articles/fetal-posterior-communicating-cerebral-artery">fetal origin of the posterior cerebral artery</a>
-</ul><h4>Related pathology</h4><p>There are some studies suggesting that BAH is related to undetermined or lacunar posterior circulation stroke, however, further studies are required to confirm this association <sup>1</sup>.</p><h4>Differential diagnosis</h4><p>Acquired conditions must be excluded as differential diagnosis, such as:</p><ul>-<li>atherosclerotic stenosis: commonly involve the middle portion of basilar artery, with irregular and non-uniform appearance</li>- +</ul><h4>Related pathology</h4><p>There are some studies suggesting that BAH is related to undetermined or lacunar posterior circulation stroke, however, further studies are required to confirm this association <sup>1</sup>.</p><h4>Differential diagnosis</h4><p>Acquired conditions must be excluded as differential diagnosis, such as:</p><ul>
- +<li>atherosclerotic stenosis: commonly involve the middle portion of basilar artery, with irregular and non-uniform appearance</li>
-<a href="/articles/fibromuscular-dysplasia-1">fibromuscular dysplasia</a>: commonly presented as multifocal stenosis and adjacent dilatations</li>- +<a href="/articles/fibromuscular-dysplasia-1">fibromuscular dysplasia</a>: commonly presented as multifocal stenosis and adjacent dilatations</li>
Systems changed:
- Vascular
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