ABSTRACT
Background: The aim of this study was to investigate the application value of laparoscopic ultrasound (LU) in retroperitoneal radical nephrectomy for renal cell carcinoma with Type II inferior vena cava tumor thrombectomy (RRN-RCC-TII-IVCTT). Methods: The clinical data (operative time, length of tumor thrombus, tumor length, intraoperative bleeding, clinical stage, histological type, residual tumor tissue, and postoperative follow-up) of 6 patients who underwent LU-guided RRN-RCC-TII-IVCTT were retrospectively analyzed, and the intraoperative experience of LU was also summarized. Results: All 6 patients recovered well with liver and kidney functions returning to normal, and no tumor recurrence, metastasis, or vena cava tumor thrombus. Conclusions: LU-guided RRN-RCC-TII-IVCTT is a feasible treatment option, which locates the tumor accurately by retroperitoneal approach and provides the additional benefit of reduced intraoperative bleeding and shortened operative time, also achieving the much sought-after goal of precision.