Middle mediastinum
Updates to Article Attributes
Body
was changed:
The middle mediastinum is an artificial space of the mediastinum divided from the remainder of the extra-pleural intrathoracic cavity by arbitrary lines. It forms the largest part of the inferior division of the mediastinum.
Gross anatomy
Relations
- superiorly
-: superior mediastinum, divided by the thoracic plane - anteriorly
-: anterior mediastinum - posteriorly
-: posterior mediastinum
Contents
- pericardium
- heart
- great vessels joining the heart
- ascending aorta
-
pulmonary trunk
- right and left pulmonary arteries
- lower half of the superior vena cava
- tracheal bifurcation and both main bronchi
- phrenic nerves
- cardiac plexus
- tracheobronchial lymph nodes
Related Pathology
- malignancy
- lymphadenopathy
- hiatus hernia
- thoracic aortic aneurysm
- thyroid mass
- bronchogenic cysts
- oesophageal duplication cysts
-<li>superiorly - <a href="/articles/superior-mediastinum">superior mediastinum</a>, divided by the thoracic plane</li>-<li>anteriorly - <a href="/articles/anterior-mediastinum">anterior mediastinum</a>- +<li>superiorly: <a href="/articles/superior-mediastinum">superior mediastinum</a>, divided by the thoracic plane</li>
- +<li>anteriorly: <a href="/articles/anterior-mediastinum">anterior mediastinum</a>
-<li>posteriorly - <a href="/articles/posterior-mediastinum">posterior mediastinum</a>- +<li>posteriorly: <a href="/articles/posterior-mediastinum">posterior mediastinum</a>
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