Carotid artery pseudoaneurysm
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Carotid artery pseudoaneurysms can refer to pseudoaneurysms involving any segment of the carotid arteries:.
Pathology
As with pseudoaneurysms elsewhere, these lack all three layers of the arterial wall (intima, media and adventitia).
Pseudoaneurysm development can occur within hours to several years after initial arterial injury although normally presenting within 5 years 7.
Causes
Pseudoaneurysms can arise from varying causes which include
- trauma
- penetrating trauma
- blunt trauma
- arterial dissection
- vasculitides, e.g. Behcet disease 3-4
- following carotid endarterectomy
- uncommon: uncommon complication 5,7 - following transsphenoidal surgery
- ICA pseudoaneurysm formation -: rare 9 - surgical neck dissections
- rare: rare 11-12 - misplaced central venous lines
- rare: rare 10
Radiographic features
Imaging evaluation is often with Doppler ultrasound and CT angiography.
Treatment and prognosis
Management options can range from traditional surgical repair to endovascular repair (stent placement - combined stent placement and coil embolisation 7). Mortality rates of up to 30% have been reported in the case of external carotid arterial pseudoaneurysms. In certain situations, more conservative approaches are taken (i.e observation 13)
Differential diagnosis
Consider
-<p><strong>Carotid artery pseudoaneurysms</strong> can refer to <a href="/articles/false-aneurysm">pseudoaneurysms</a> involving any segment of the carotid arteries:</p><ul>-<li><a href="/articles/common-carotid-artery-pseudoaneurysm">common carotid artery pseudoaneurysm</a></li>-<li><a href="/articles/internal-carotid-artery-pseudoaneurysm">internal carotid artery pseudoaneurysm</a></li>-<li><a href="/articles/external-carotid-artery-pseudoaneurysm">external carotid artery pseudoaneurysm</a></li>-</ul><h4>Pathology</h4><p>As with pseudoaneurysms elsewhere, these lack all three layers of the arterial wall (intima, media and adventitia).</p><p>Pseudoaneurysm development can occur within hours to several years after initial arterial injury although normally presenting within 5 years <sup>7</sup>.</p><h5>Causes</h5><p>Pseudoaneurysms can arise from varying causes which include</p><ul>- +<p><strong>Carotid artery pseudoaneurysms</strong> can refer to <a href="/articles/false-aneurysm">pseudoaneurysms</a> involving any segment of the carotid arteries.</p><h4>Pathology</h4><p>As with pseudoaneurysms elsewhere, these lack all three layers of the arterial wall (intima, media and adventitia).</p><p>Pseudoaneurysm development can occur within hours to several years after initial arterial injury although normally presenting within 5 years <sup>7</sup>.</p><h5>Causes</h5><p>Pseudoaneurysms can arise from varying causes which include</p><ul>
-<a href="/articles/vasculitis">vasculitides </a><ul><li>e.g. <a href="/articles/behcet-disease-2">Behcet disease</a> <sup>3-4</sup>-</li></ul>- +<a href="/articles/vasculitis">vasculitides</a>, e.g. <a href="/articles/behcet-disease-2">Behcet disease</a> <sup>3-4</sup>
-<li>infection - e.g. <a href="/articles/mycotic-carotid-arterial-pseudoaneurysm">mycotic carotid arterial pseudoaneurysm</a> <sup>14</sup>- +<li>infection, e.g. <a href="/articles/mycotic-carotid-arterial-pseudoaneurysm">mycotic carotid arterial pseudoaneurysm</a> <sup>14</sup>
-<li>following carotid endarterectomy- uncommon complication <sup>5,7</sup>- +<li>following carotid endarterectomy: uncommon complication <sup>5,7</sup>
-<li>following transsphenoidal surgery- ICA pseudoaneurysm formation - rare <sup>9</sup>- +<li>following transsphenoidal surgery: rare <sup>9</sup>
-<li>surgical neck dissections - rare <sup>11-12</sup>- +<li>surgical neck dissections: rare <sup>11-12</sup>
-<li>misplaced central venous lines - rare <sup>10</sup>- +<li>misplaced central venous lines: rare <sup>10</sup>
-</ul><h4>Radiographic features</h4><p>Imaging evaluation is often with Doppler ultrasound and CT angiography.</p><h4>Treatment and prognosis</h4><p>Management options can range from traditional surgical repair to endovascular repair (stent placement - combined stent placement and coil embolisation <sup>7</sup>). Mortality rates of up to 30% have been reported in the case of external carotid arterial pseudoaneurysms. In certain situations, more conservative approaches are taken (i.e observation <sup>13</sup>)</p><h4>Differential diagnosis</h4><p>Consider</p><ul><li><a title="true aneurysm of carotid artery" href="/articles/true-aneurysm-of-carotid-artery">true aneurysm of carotid artery</a></li></ul>- +</ul><h4>Radiographic features</h4><p>Imaging evaluation is often with Doppler ultrasound and CT angiography.</p><h4>Treatment and prognosis</h4><p>Management options can range from traditional surgical repair to endovascular repair (stent placement - combined stent placement and coil embolisation <sup>7</sup>). Mortality rates of up to 30% have been reported in the case of external carotid arterial pseudoaneurysms. In certain situations, more conservative approaches are taken (i.e observation <sup>13</sup>)</p><h4>Differential diagnosis</h4><ul><li><a href="/articles/true-aneurysm-of-carotid-artery">true aneurysm of carotid artery</a></li></ul>
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Internal carotid artery pseudoaneurysm
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External carotid artery pseudoaneurysm
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Common carotid artery pseudoaneurysm
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