Figure 1. Case 1. 80-year-old man with mediastinal abscess after surgery for oesophageal cancer. (a) CT obtained 10 days after surgery shows the abscess cavity on the dorsal side of the tracheal bifurcation. (b) Radiograph shows the position of the 17 G drainage needle inserted under fluoroscopic guidance in tandem with the 23 G fine guiding needle. (c) CT shows the appropriate course of the drainage needle. (d) CT after injection of contrast medium from the drainage tube shows the abscess cavity.
