Neck Swelling After Total Parenteral Nutrition

FIGURE.Computed tomography scan shows left upper extremity peripherally inserted central catheter (PICC) with tip terminating anterior to the left brachiocephalic vein (bottom arrow in A and arrow in C).Arrows are pointing to the PICC line.The top arrow in A shows the PICC line within the brachiocephalic vein.The tip of the PICC line is approximately 2 cm anterior to the confluence in the anterior mediastinum, with pneumomediastinum ascending along the left internal jugular vein (arrow in B) and low-density fluid in stranding throughout the anterior mediastinum, at the anterior chest subcutaneous soft tissues, and the deep spaces of the neck tracking superiorly.