Superior mediastinum

Last revised by Joshua Yap on 14 Oct 2022

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

Boundaries
Contents

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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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