1. Two Faces of Progressive Dyspnea
Steven M. Kawut, MD, Michael Mandel, MD, FCCP, Selim M. Arcasoy, MD 
CHEST 
Volume 117, Issue 5, Pages (May 2000)
DOI: /chest
Copyright © 2000 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Top, chest radiograph revealing no abnormalities. Bottom, high-resolution CT scan showing bilateral patchy areas of ground-glass attenuation.
CHEST  , DOI: ( /chest )
Copyright © 2000 The American College of Chest Physicians Terms and Conditions

3. Figure 2
Chest radiographs (A, B) and CT scans (C, D) showing bilateral interstitial infiltrates anteriorly in lower lobes with significant progression over 1 year (B, D).
CHEST  , DOI: ( /chest )
Copyright © 2000 The American College of Chest Physicians Terms and Conditions

4. Figure 3
Top, histology of a lung biopsy specimen from Case 1 reveals multinucleated giant cells and noncaseating granulomata. Bottom, histological findings of Case 2 include mononuclear interstitial inflammation and fibrosis, scattered noncaseating granulomata, and foci of intra-alveolar fibrinous exudate. Courtesy of Leslie Litzky, MD, University of Pennsylvania.
CHEST  , DOI: ( /chest )
Copyright © 2000 The American College of Chest Physicians Terms and Conditions