Fig. 7.

Bronchogenic cyst in a 37-year-old man. a Non-contrast-enhanced CT scan shows a homogeneous anterior mediastinal mass with smooth contours and oval shape (arrow). The mass is isodense relative to chest wall muscle. b T2-weighted MR image shows the same mass (arrow) with markedly high signal intensity. c Although its localisation, a bronchogenic cyst was confirmed by histological examination after surgical resection