PMC4501523_01
Computer tomography scan revealing diffuse nodular thickening of the bronchial walls (arrows).
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A computer tomography scan revealed an atelectasis of the right upper lobe and diffuse nodular thickening of the submucosal tracheal and bronchial walls (Fig. 1).
Pulmonary function test showing an expiratory plateau in the flow volume loop (arrows).
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Pulmonary function tests revealed normal FVC, FEV1, FEV1/FVC; but decreased PEF and an expiratory plateau in the flow volume loop, suggestive of intrathoracic stenosis (Fig. 2).
Prominent white and reddish plaques and diffuse bleeding of the mucosa of the right upper lobe bronchi.
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Flexible bronchoscopy was performed and a completely irregular surface of the tracheal and bronchial mucosa with prominent white and reddish plaques, extending the lower half of the trachea and main bronchi with reduced airway diameters and diffuse bleeding was found (Fig. 3).