Fast Five Quiz: Idiopathic Pulmonary Fibrosis Imaging

Ani Kapoor, MD; Zab Mosenifar, MD


June 21, 2022

Figure 1. Colored x-ray, idiopathic pulmonary fibrosis

The usual interstitial pneumonia (UIP) pattern on high-resolution CT (HRCT) is described as honeycombing with or without traction bronchiectasis and subpleural with basal predominance. Less commonly (in about 20% of patients), small, round opacities are seen.

Radiographic evidence of pleural diseases is not typical of IPF, according to Hallifax and colleagues. Its presence should trigger suspicion for other conditions, such as asbestosis, rheumatoid pulmonary disease, or systemic lupus. Pulmonary hypertension is seen in the advanced, not early, stage of IPF.

Learn more about radiography in patients with IPF.


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