RICHARD A. DEREMEE, M.D.; HOWARD A. ANDERSEN, M.D.
To the editor: We wish to make a few comments in reference to the NIH conference on idiopathic pulmonary fibrosis (1).
Caution must be used in interpreting the lung biopsy. We have found changes similar to usual interstitial pneumonitis coexisting in patients with other conditions, for example, alveolar proteinosis. In these patients, it has been a variance in the clinical and laboratory features from those found on initial lung biopsy that has led us to go further in making a more specific diagnosis.
In our paper on Classic Interstitial Pneumonitis-Fibrosis (2) we produced a classification that incorporates not only the
DEREMEE RA, ANDERSEN HA. Pulmonary Fibrosis. Ann Intern Med. ;86:662–663. doi: 10.7326/0003-4819-86-5-662
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Published: Ann Intern Med. 1977;86(5):662-663.
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