Lung architectural distortion is a descriptor used when the normal pulmonary bronchial, vascular, fissural, or septal anatomy is disrupted, manifesting as loss of smooth course of the fissures or crowding of dilated bronchioles or vessels with a displaced, disrupted, and/or angulated course 1,3.
Several disease processes can cause architectural distortion and it may be diffuse or localized 3. It is most commonly associated with pulmonary fibrosis 3.
Other features that can accompany lung architectural distortion include: