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Posterior Mediastinum- Anatomy, Boundaries And Content

 

Posterior Mediastinum

Posterior Mediastinum

Boundaries

Anterior: (a) pericardium and its contents, (b) bifurcationof the trachea, and (c) pulmonary vessels.

Posterior: Bodies of lower 8 thoracic vertebrae andintervening intervertebral discs.

Superior: Transverse thoracic plane separating superiormediastinum from the inferior mediastinum.

Inferior: Diaphragm.

On every side: Mediastinal pleura.

Contents

Posterior Mediastinum: Contents

Posterior Mediastinum: Contents

 

1) Esophagus.

2) Thoracic duct.

3) Descending thoracic aorta and its branches.

4) Azygos, hemiazygos, and accessory hemiazygos veins.

5) Vagus nerves.

6) Sympathetic trunks and splanchnic nerves.

7) Posterior mediastinal lymph nodes.

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