Fleischner sign (enlarged pulmonary artery)
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Fleischner sign is a prominent central artery that can be caused either by pulmonary hypertension that develops or by distension of the vessel by a large pulmonary embolus.
Radiographic appearance
Chest radiograph
Fleischner sign is a description given to appearances It can be seen on plain chest x-ray along with Westermark signHampton hump.This
It is seen most commonly in the setting of massive pulmonary embolism (defined angiographically as involving 50% or more ofthe major pulmonary artery branches).It. It has relativelya low sensitivity.It is but high specificity.
See also visualised on ct pulmonary angiography.This sign is often associated with Knuckle
-<p><strong>Fleischner sign</strong> is a prominent central artery that can be caused either by <a href="/articles/pulmonary-hypertension-1">pulmonary hypertension</a> that develops or by distension of the vessel by a large <a href="/articles/pulmonary-embolism">pulmonary embolus</a>. </p><h4>Radiographic appearance</h4><h5>Chest radiograph</h5><p>Fleischner sign is a description given to appearances on plain chest x-ray along with <a href="/articles/westermark-sign">Westermark sign</a> and <a href="/articles/hampton-hump-2">Hampton hump</a>.This is seen most commonly in the setting of massive pulmonary embolism (defined angiographically as involving 50% or more of<br>the major pulmonary artery branches).It has relatively low sensitivity.It is also visualised on ct pulmonary angiography.This sign is often associated with <a title="Knuckle sign" href="/articles/knuckle-sign-1">Knuckle sign</a>.</p>- +<p><strong>Fleischner sign</strong> is a prominent central artery that can be caused either by <a href="/articles/pulmonary-hypertension-1">pulmonary hypertension</a> that develops or by distension of the vessel by a large <a href="/articles/pulmonary-embolism">pulmonary embolus</a>. It can be seen on chest radiographs and CT pulmonary angiography.</p><p>It is seen most commonly in the setting of massive pulmonary embolism (defined angiographically as involving 50% or more of the major pulmonary artery branches). It has a low sensitivity but high specificity. </p><h4>See also</h4><ul><li>
- +<a href="/articles/knuckle-sign-1">knuckle sign</a>.</li></ul>
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