Acute unilateral airspace opacification (differential)

Last revised by Calum Worsley on 24 Sep 2020

Acute unilateral airspace opacification is a subset of the differential diagnosis for airspace opacification.  

Differential diagnosis

The exhaustive list of all possible causes would be huge, but a useful framework includes:

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Cases and figures

  • Case 1: acute pulmonary edema
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  • Case 2: pulmonary hemorrhage
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  • Case 3: infection
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  • Case 4: infection post NG malplacement
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  • Case 5: right lower lobe apical segment
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