Laparoscopic pelvic lymph node dissection for staging of prostatic cancer

Area of Science:

• Urology
• Surgical Oncology
• Minimally Invasive Surgery

Background:

• Accurate staging of prostate cancer is crucial for treatment planning.
• Abdominopelvic CT scans can underestimate lymph node metastasis in organ-confined disease.
• Pathological examination reveals 7-30% of patients with seemingly localized prostate cancer have lymph node metastases.

Purpose of the Study:

• To evaluate the safety and efficacy of laparoscopic pelvic lymph node dissection (LPLND) for staging prostate cancer.
• To assess the complication rate and outcomes associated with LPLND.
• To determine the utility of LPLND in identifying lymph node involvement.

Main Methods:

• Twenty-nine patients with prostate cancer underwent bilateral LPLND.
• Data collected included operative time, complications, number of lymph nodes removed, and length of hospital stay.
• Complications were categorized as peroperative, postoperative, and delayed.

Main Results:

• The average operative time for bilateral LPLND was 90 minutes.
• Five patients (17%) were found to have lymph node metastases.
• The overall complication rate was 11%, with injuries requiring laparotomy in 3 patients; one patient died postoperatively from a stroke.

Conclusions:

• LPLND is an effective method for staging organ-confined prostate cancer, detecting metastases missed by imaging.
• Despite initial challenges and a notable complication rate, LPLND can be considered safe when performed by experienced surgeons.
• The technique's application should be selective, particularly in combination with perineal radical prostatectomy, rather than broadly generalized.