The deep sulcus sign of supine pneumothorax

Описание к видео The deep sulcus sign of supine pneumothorax

A pneumothorax locates in the apical region on an erect CXR. The lung edge is often seen along with absence of vascular markings over the pleural space.

On a supine CXR, a pneumothorax is more subtle and locates over the base of the chest producing the so-called 'deep sulcus sign'. This video explains how to detect pneumothoraces on supine films.

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