Fig. 2From: Breakage and retention of thoracic paravertebral catheter: a case reportComputed tomography images of the retained catheter fragment (arrow). The cut side of the catheter fragment is located at a depth of 6.3 mm from the skin surface (white arrow). The tip of the paravertebral catheter (black arrow) has been displaced to the posterior mediastinum and is located near the esophagus and trachea, on sagittal views (a) and axial views (b)Back to article page