Homogeneously enhancing endobronchial mass obstructing right main bronchus
Distal atelectasis
Discussion
0.1-0.2% of the primary lung malignancies
Hemoptysis in children
More common in the segmental bronchi than in the trachea or main bronchi
CXR
Central mass /c or /s postobstructive pneumonia and/or peripheral atelectasis
Solitary pulmonary nodule
CT
Sharply marginated oval or lobulated intraluminal mass adapting to the branching features of the airways
Postobstructive pneumonia or distal bronchial dilatation with mucoid impaction
Punctate calcifcation (50%)
Mild contrast enhancement
Metastasis to the regional LN: rare