Cervical rib
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Cervical ribribs is a are supernumerary or accessory ribribs arising from the seventh cervical vertebra. They occur in ~0.5% of the population, are usually bilateral, but often asymmetric 2, and are more common in females.
Although cervical ribs are usually asymptomatic, they are the most important anatomic rib variant clinically, because they can cause thoracic outlet syndrome by compression of the brachial plexus or subclavian vessels.
Differential diagnosis
- underdeveloped first thoracic rib
-<p><strong>Cervical rib</strong> is a supernumerary or accessory rib arising from the seventh <a href="/articles/cervical-vertebra">cervical vertebra</a>. They occur in ~0.5% of the population, and are more common in females.</p><p>Although cervical ribs are usually asymptomatic, they are the most important <a href="/articles/anatomic-rib-variant">anatomic rib variant</a> clinically, because they can cause <a href="/articles/thoracic-outlet-syndrome">thoracic outlet syndrome</a> by compression of the <a href="/articles/brachial-plexus">brachial plexus</a> or <a href="/articles/subclavian-vessels">subclavian vessels</a>.</p>- +<p><strong>Cervical ribs</strong> are supernumerary or accessory ribs arising from the seventh <a href="/articles/cervical-vertebra">cervical vertebra</a>. They occur in ~0.5% of the population, are usually bilateral, but often asymmetric <sup>2</sup>, and are more common in females. </p><p>Although cervical ribs are usually asymptomatic, they are the most important <a href="/articles/anatomic-rib-variant">anatomic rib variant</a> clinically, because they can cause <a href="/articles/thoracic-outlet-syndrome">thoracic outlet syndrome</a> by compression of the <a href="/articles/brachial-plexus">brachial plexus</a> or <a href="/articles/subclavian-vessels">subclavian vessels</a>.</p><h4>Differential diagnosis</h4><ul><li>underdeveloped first thoracic rib</li></ul>
References changed:
- 2. Chest Roentgenology. (2011) ISBN: 9789374734872 - <a href="http://books.google.com/books?vid=ISBN9789374734872">Google Books</a>
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