Superior mediastinum

Last revised by Raymond Chieng on 31 Mar 2023

The superior mediastinum is an artificially divided wedge-shaped compartment of the mediastinum located between the thoracic plane inferiorly and the thoracic inlet superiorly. The inferior mediastinum, comprising of the anterior, middle, and posterior parts, lies inferiorly.

Gross anatomy


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Cases and figures

  • Figure 1: mediastinal anatomy (Gray's anatomy illustration)
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  • Case 1: CXR - effect of expiration on the mediastinum
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  • Figure 2: superior mediastinum (Gray's illustration)
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  • Figure 3: annotated CT (yellow)
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