Inadvertent insertion of a venous catheter into the internal thoracic vein: a word of caution.

Central venous catheters are widely used in clinical practice and are linked to many types of complications, including incorrect positioning at the time the catheter is fitted. Here, the authors describe a case in which a fully implantable catheter was inadvertently positioned in the right internal thoracic vein. The complication was identified when the nursing team attempted to use the catheter.