Fig. 14

Mediastinal goitres. a Coronal multiplanar reconstruction CT scan demonstrates an anterior mediastinal mass (*) arising from the thyroid more superiorly. Note the cystic degeneration within goitre (open arrow). b Non-contrast-enhanced CT scan shows a unilateral mediastinal goitre with peripheral areas of calcification (open arrow). c Photograph of the resected surgical specimen shows a lobulated and heterogeneous appearance of the mass. d Contrast-enhanced CT scan shows a well marginated posterior mediastinal goitre (*) with marked contrast enhancement