Usual interstitial pneumonia
Vague symptoms and cough gradually over the last year.
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Predominantly basal and peripheral reticular opacities with honeycombing and traction bronchiectasis.
UIP should be considered in patients who present with low lung volumes, subpleural reticular opacities, macrocystic honeycombing, and traction bronchiectasis, the extent of which increases from the apex to the bases of the lungs.
The diagnosis of idiopathic pulmonary fibrosis requires the exclusion of other known causes of usual interstitial pneumonia, including use of toxic drugs, environmental exposure (asbesto), and collagen vascular disease.