Esophageal bronchus
Updates to Article Attributes
Body
was changed:
Oesophageal bronchus refers to the rare occurrence where a bronchus arises directly from the oesophagus.
Epidemiology
It is more common in females with a M:F of 1:2 2.
Gross anatomy
Oesophageal bronchi may be the main bronchus, which gives rise to oesophageal lung, or may be a lobar bronchus, most commonly a lower lobe bronchus.
Associations
Blood supply
Arterial supply and venous drainage is variable:
- arterial supply
-: may arise directly from the thoracic aorta - venous drainage
-: may be to systemic or pulmonary circulations
Radiographic appearance
Chest radiograph
- unilateral alveolar opacity and air bronchogram as a result of aspiration 4
- mediastinal shift to the affected side 2
Fluoroscopy - barium swallow
- barium fills the bronchus and first-order branches 2
-<li>arterial supply - may arise directly from the <a href="/articles/thoracic_aorta">thoracic aorta</a>- +<li>arterial supply: may arise directly from the <a href="/articles/thoracic-aorta">thoracic aorta</a>
-<li>venous drainage - may be to systemic or pulmonary circulations</li>- +<li>venous drainage: may be to systemic or pulmonary circulations</li>
-<li>unilateral <a title="alveolar opacity" href="/articles/alveolar-opacity">alveolar opacity</a> and <a title="Air bronchogram" href="/articles/air_bronchogram">air bronchogram</a> as a result of aspiration <sup>4</sup>- +<li>unilateral <a href="/articles/alveolar-opacity">alveolar opacity</a> and <a href="/articles/air-bronchogram">air bronchogram</a> as a result of aspiration <sup>4</sup>
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