Right middle lobe pneumonia

Case contributed by Dr Ian Bickle

Presentation

Two weeks history of shortness of breath, malaise and fever. Infection?

Patient Data

Age: 51
Gender: Female
X-ray

The right heart border silhouette is indistinct with adjacent consolidation medially at the right base.

Left lung clear.

Heart size normal.

Case Discussion

This case illustrates the silhouette sign of Felson, in this case with respect to the right middle lobe.

The right heart border should have a distinct appearance due to the right atrium abutting aerated right middle lobe.  In this case the consolidation in the right middle lobe has resulted in loss of this silhouette.

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Case information

rID: 50374
Case created: 2nd Jan 2017
Last edited: 3rd Jan 2017
System: Chest
Tag: rdgh
Inclusion in quiz mode: Included

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