eMedicine Specialties > Urology > Surgery
Lymph Node Dissection, Pelvic: Follow-up
Updated: Jun 13, 2008
Outcome and Prognosis
Patients with bladder cancer only occasionally benefit from pelvic lymph node dissection (PLND). Approximately 20% of patients present with lymph node metastases at the time of cystectomy. This percentage is higher in selected populations considered to be high grade and stage. Approximately 50% of these patients have limited regional metastases (1 or 2 nodes below the iliac bifurcations) and are theoretically amenable to cure. Of the latter patients, 10-35% are cured with cystectomy and PLND alone.
The management of prostate cancer accompanied with lymph node metastases after permanent histologic evaluation is controversial. The debate is centered on whether to institute hormonal therapy immediately or upon prostate-specific antigen progression.4 Four prospective randomized trials have supported a survival benefit of early androgen ablation in locally advanced disease.5 The Messing et al (1999) study demonstrated a 25% overall survival benefit at 8 years in men with node-positive prostate cancer treated with radical prostatectomy and orchidectomy/goserelin compared to radical prostatectomy alone. However, given that the prostate-specific antigen level is a good index of disease progression, an argument also can be made to delay treatment until the prostate-specific antigen level rises.
Future and Controversies
Ablative therapies for prostate cancer (eg, cryotherapy) and investigative treatments (eg, high-intensity focused ultrasound [HIFU]) are increasing in popularity. As such, many patients who undergo these treatment modalities do not undergo lymph node dissection for staging. Laparoscopic lymph node dissections and nodal sampling through minilaparotomy are options for these patients, especially those at high risk of node-positive disease, such as patients with a prostate-specific antigen level of more than 20 ng/mL, a Gleason grade of 8-10, or high-risk biopsy data.
The authors and editors of eMedicine gratefully acknowledge the contributions of previous coauthor Laurence Klotz, MD, to the development and writing of this article.
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References
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Further Reading
Keywords
pelvic lymphadenectomy, lymph node dissection, pelvic lymph node dissection, PLND, bladder cancer, prostate cancer, urethral cancer, penile cancer, genitourinary cancer
Follow-up: Lymph Node Dissection, Pelvic