A 65-year-old woman with a medical history significant for anal cancer was referred by her primary care physician for a port-a-cath removal. The port was placed prior to treatment of squamous cell carcinoma of the anus, 11 years prior to this scheduled removal. She received chemotherapy and radiation in accordance with the Nigro protocol, treating the anal cancer to complete resolution. During port removal, a fibrous capsule was dissected and the port was removed from the left upper breast border along with proximal portion of the catheter. Significant difficulty was found in removing the remaining catheter despite sustained traction and guidewire insertion. Fluoroscopy revealed an intravascular adhesion of the catheter tip in the superior vena cava, which could not be freed. In order to prevent vascular injury, the adhesed portion of the distal catheter was left in place with three large surgical clips placed distally. This case highlights the very rare complication of complete vascular adherence of the terminal catheter tip and extended port intracorporeal time as a risk factor for adhesion. This case also highlights the importance of timely permanent central venous catheter removal following completion of its intended regimen.
Reference:Mehra, D., Brummund, D., Sinyor, B. and Gulec, S. (2020) Complicated Surgical Removal of an Adherent Port-a-Cath After 11 Years of Implantation. Cureus. 12(3), p.e7301. doi: 10.7759/cureus.7301.