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Axial lung window of pulmonary CT angiogram, shows hyperaerated and hypovascular basal segments of the right lower lobe. A mucus filled segment of dilated bronchus (bronchocele) is centrally located in the hyeprlucent lung. Note ground-glass opacities in the left lower lobe that are secondary to alveolar hemorrhage.
Coronal reconstruction CT scan shows hyperinflation in the basal segments of the right lower lobe. A branching opacity is seen in the central portion of the involved segments, that represents dilated mucus-filled bronchi (bronchocele). Note ground-glass opacities in the left lower lobe that are secondary to alveolar hemorrhage that is an unrelated symptom and the cause of performing this imaging study.