A previously well 53-year-old man develops progressive shortness of breath. Pulmonary function tests reveal a restrictive defect and a high-resolution CT suggests pulmonary fibrosis. Which of the following is the most likely role of transbronchial biopsy in this condition?
Correct Answer: diagnose specific causes of interstitial lung disease
Description: Transbronchial biopsy helps differentiate idiopathic pulmonary fibrosis (IPF) from similar syndromes with specific treatments. These include chronic hypersensitivity pneumonitis, cryptogenic organizing pneumonia, and sarcoidosis.
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