Mucoepidermoid carcinoma of the lung: common findings and unusual appearances on CT

Mucoepidermoid carcinoma in a 21-year-old girl. Contrast-enhanced CT reveals a well-defined mass in the trachea, which shows marked heterogeneous enhancement.

Mucoepidermoid carcinoma in a 33-year-old woman. CT lung window shows a peripheral node with pleural indentation sign and long speculation at anterior medial basal segment of the left inferior lung.

Mucoepidermoid carcinoma in a 62-year-old woman. CT lung window shows a well-defined thick-walled cavity with lobulation at left upper lung.

Mucoepidermoid carcinoma in a 56-year-old man. (A) Coronal reformation image shows diffuse circumferential wall thickening along the trachea and left main bronchus with calcification. (B) Hematoxylin and eosin staining (200×) shows the tumor's mucin-secreting cells as well as squamoid cells.

Mucoepidermoid carcinoma in a 34-year-old woman. Enhanced CT shows single mass with obstructive atelectasis and consolidation at the anterior segmental bronchus of left upper lobar bronchus with marked enhancement.

Mucoepidermoid carcinoma in a 19-year-old girl. Non-contrast-enhanced CT shows a well-defined mass at left inferior lung hilum; punctate calcification is revealed in the tumor.

Mucoepidermoid carcinoma in a 53-year-old man. Enhanced CT shows metastases to the pleura of a mucoepidermoid carcinoma in the right middle segmental bronchus.

PET/CT images show a multiple focus of abnormal F-18FDG uptake in metastases of multiple vertebral body.