Single-Position Intraperitoneal Laparoscopic Nephroureterectomy and Retroperitoneal Lymph Node Dissection in Modified Supine Position: Technical Adaptation for Double Inferior Vena Cava

Key Points

• The study aims to describe a surgical technique for nephroureterectomy in patients with a double inferior vena cava.
• Performed laparoscopic nephroureterectomy
• Executed retroperitoneal lymph node dissection
• Modified the patient position to supine for optimal access
• Achieved successful removal of affected kidney and ureter
• Maintained patient safety and surgical efficacy
• Demonstrated feasibility of the new positioning technique