Fig. 3From: Breakage and retention of thoracic paravertebral catheter: a case reportPhotograph and transmission electron micrograph of the paravertebral catheter fragment. The catheter was cut 100 mm from the tip (a). The catheter was severed without stretching, and the cut surface is slightly crushed, and smooth, on photomacrography (b) and transmission electron micrography (c)Back to article page