Figure 6From: Expiratory CT scan in patients with normal inspiratory CT scan: a finding of obliterative bronchiolitis and other causes of bronchiolar obstruction23-year-old male with mushroom worker’s lung disease referred for slight exertional dyspnea and dry cough after two acute respiratory attacks. On coronally-reformatted inspiratory CT image no lung abnormalities can be seen (a). Coronally-reformatted expiratory CT image shows extensive air-trapping (b). Diagnosis was confirmed by bronchoalveolar lavage.Back to article page