Chest
Selected ReportsDesquamative Interstitial Pneumonia: Computed Tomographic Findings before and after Treatment with Corticosteroids
Section snippets
Case Report
A 36-year-old man was referred because of a four-month history of a dry cough and dyspnea on exertion. No other symptom was present. He had worked at a wood fiber and chip mill for ten years without any respiratory symptoms. He stopped working when his symptoms began but did not improve. There was no history of recent travel and he had no unusual hobbies or exposure to animals. He was an intermittent cigarette smoker and used marijuana and cocaine on occasion, but denied use of any other
Discussion
The appearance of idiopathic pulmonary fibrosis (IPF) on CT has been described as consisting of reticular densities in a patchy distribution predominantly in the subpleural region of the lungs.4 This is to be distinguished from the distribution of hypersensitivity pneumonitis which is central or diffuse and of sarcoidosis which tends to follow the bronchovascular bundles.5 The patchy hazy densities seen in this patient had a similar distribution to that seen in UIP. However, in all patients
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