Does extended lymphadenectomy preclude laparoscopic or robot-assisted radical cystectomy in advanced bladder cancer?

Purpose of review: Open radical cystectomy with an appropriate bilateral lymph node dissection (LND) is currently the standard treatment for patients with muscle-invasive bladder cancer. Approximately 25% of patients with stages T1-T4 N0 M0 harbour metastatic lymph nodes at the time of radical cystectomy. Results from open high volume radical cystectomy series suggest that a more extended LND provides the best survival outcomes and the lowest local recurrence rates. Currently, there is controversy whether laparoscopic or robot-assisted extended LND at radical cystectomy is technically feasible and whether it can provide oncological control equivalent to open LND series at the time of radical cystectomy. RECENT FINDINGS: Laparoscopic LND is technically demanding and requires prolonged operation time. Most studies to date indicate that fewer nodes are removed than with an open approach, putting a question mark to this surgical approach from an oncological point of view. Limited data on lymph node yield using a robot-assisted approach are available; however, several series found similar results as in open series. SUMMARY: At present, there is no conclusive evidence showing that laparoscopic LND gives similar results than open LND. Robot-assisted LND is still in its learning curve and more patient series are needed.