Bronchial wall thickening

Last revised by Calum Worsley on 17 Jan 2024

Bronchial wall thickening is an imaging descriptor used to describe abnormal thickening of bronchial walls and can arise from a vast number of pathological entities. It is one of the causes of peribronchial cuffing.

The presence of bronchial wall thickening usually (but not always) implies inflammation of the airways. On a plain radiograph, it can sometimes be often difficult to differentiate from peribronchovascular thickening.

The normal thickness of bronchial walls is dependent on the bronchial generation (i.e. how many divisions the bronchus has undergone since it branched from the trachea), but is in the region of 0.8 - 1.4 mm 8.

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