Changes in CT scan-estimated airway dimensions during an acute exacerbation of asthma.

Asthma is a chronic airway disease characterized by reversible airflow limitation with airway wall thickening. Although some studies have reported changes in airway dimensions estimated on chest CT in patients with chronic asthma, little is known about dynamic changes in airway dimensions between acute exacerbations of asthma and recovery. Our case documents significant changes in the bronchial wall, as estimated on serial chest CT scans, over a short-term interval during an exacerbation of asthma.