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Sentinel lymph node biopsy in renal malignancy: The past, present and future
Tharani Mahesan1, Alberto Coscione1, Ben Ayres1
1Tharani Mahesan, Alberto Coscione, Ben Ayres, Nick Watkin, Department of Urology, St George's Hospital, London SW17 0QT, United Kingdom.
World Journal of Nephrology
|March 17, 2016
Summary
Sentinel lymph node biopsy (SLNB) shows promise for staging renal malignancy, offering a less invasive alternative to traditional dissection. Further research and improved techniques are needed to overcome current limitations and establish its widespread use.
Area of Science:
- Oncology
- Surgical Oncology
- Urologic Oncology
Background:
- Sentinel lymph node biopsy (SLNB) is an established staging technique for penile and pelvic cancers.
- Renal cancer staging currently relies on lymph node dissection or surveillance due to limited SLNB data.
Purpose of the Study:
- To evaluate the potential of SLNB in renal cancer staging.
- To discuss the evolving techniques and future prospects of SLNB in renal malignancy.
Main Methods:
- Review of current literature and established SLNB techniques.
- Discussion of emerging technologies like near infra-red fluorescence and PET/CT scans for improved SLNB sensitivity.
Main Results:
- SLNB is effective in other cancers, but data in renal cancer is limited.
- Existing methods for node-positive renal cancer patients include lymph node dissection and extended lymph node dissection.
Conclusions:
- Despite challenges like limited data and false negativity, SLNB has potential in renal cancer staging.
- Advancements in imaging and larger multi-center studies are crucial for the widespread adoption of SLNB in renal malignancy.

