Mucoepidermoid
Carcinima
Diffuse GGO with ill-defined nodules
Summary
of Findings
–
Homogeneously enhancing endobronchial mass obstructing right main bronchus
– Distal atelectasis
–
Hemoptysis
in children
Pathologic
Findings

Brief Discussion
–
0.1-0.2% of the primary lung malignancies
–
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
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