Frontiers in Surgery (Jan 2025)

Implantation of a totally implanted venous device unexpected discovery of left permanent superior vena cava in a patient with sigmoid colon cancer: a case report

  • Shuchen Zhu,
  • Mingyan Dong,
  • Haiguan Luo,
  • Yicui Piao,
  • Qiaohong Zhang,
  • Lihui Huang,
  • Zijie Liu

DOI
https://doi.org/10.3389/fsurg.2025.1428776
Journal volume & issue
Vol. 12

Abstract

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Persistent left superior vena cava (PLSVC) is an intrathoracic vascular malformation. Sigmoid colon cancer with a left superior vena cava (LSVC) is very rare. Totally implanted venous devices (TIVADs) are commonly used in recurrent chemotherapy for sigmoid colon cancer. We describe a case of unexpected finding of coronary sinus rhythm in intracavitary electrocardiogram localization TIVAD implantation. Intraoperative ultrasonography revealed a PLSVC.

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