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Pelvic lymphadenectomy in prostate cancer
B N Breyer1, K L Greene, M A Dall'Era
1Department of Urology, University of California, San Francisco, CA, USA.
Prostate Cancer and Prostatic Diseases
|May 21, 2008
Summary
This review examines prostate cancer lymphatic drainage and pelvic lymph node dissection (PLND). Extended PLND may be superior for removing more lymph nodes and potentially improving staging accuracy.
Area of Science:
- Urology
- Oncology
- Surgical Anatomy
Background:
- Prostate cancer staging relies on accurate lymph node assessment.
- Lymphatic drainage patterns of the prostate can be variable.
- Identifying metastatic disease in pelvic lymph nodes is crucial for treatment planning.
Purpose of the Study:
- To review prostate lymphatic drainage anatomy.
- To determine the optimal extent of pelvic lymph node dissection (PLND).
- To evaluate the benefits and complications of PLND during prostatectomy.
Main Methods:
- Review of anatomical studies on prostate lymphatic drainage.
- Analysis of data comparing different pelvic lymph node dissection extents.
- Evaluation of outcomes associated with PLND in prostatectomy patients.
Main Results:
- Prostate lymphatic drainage is variable, often involving the internal iliac chain.
- Extended PLND harvests the highest number of lymph nodes.
- Potential, though unproven, survival benefits may stem from occult disease removal or improved staging.
Conclusions:
- Extended pelvic lymph node dissection (PLND) appears superior due to increased lymph node yield.
- Accurate staging and potential removal of occult disease are possible benefits of extended PLND.
- Further research is needed to confirm the survival benefits of extended PLND.