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Updated: Apr 13, 2026
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Single Port Donor Nephrectomy
Published on: March 12, 2011
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Single-port retroperitoneal renal biopsy using standard urological instruments
Rodrigo Guerra1, Flavio Vasconcelos Ordones1, Hamilto Akihissa Yamamoto1
1Department of Urology, Medical School, São Paulo State University (UNESP), Botucatu, SP, Brazil.
Summary
Single-port retroperitoneal renal biopsy (SPRRB) is a safe and effective minimally invasive technique for pediatric patients. This approach offers a reliable alternative to traditional open and laparoscopic renal biopsies.
Area of Science:
- Pediatric Surgery
- Nephrology
- Minimally Invasive Procedures
Background:
- Surgical renal biopsy is crucial for diagnosing pediatric kidney diseases.
- Traditional open and videolaparoscopic approaches have limitations.
- A novel technique, single-port retroperitoneal renal biopsy (SPRRB), was developed.
Purpose of the Study:
- To detail the surgical technique of SPRRB.
- To report the initial clinical experience with SPRRB in children.
Main Methods:
- SPRRB was performed on five pediatric patients between January and April 2013.
- A single 1.5 cm incision under the 12th rib allowed trocar insertion.
- A nephroscope facilitated kidney identification and tissue sampling via laparoscopic forceps.
Main Results:
- SPRRB was successfully completed in all five children.
- Mean operative time was 32 minutes with minimal blood loss (<10 mL).
- Patients were discharged after a two-day hospital stay, with an average of 31 glomeruli per specimen.
Conclusions:
- SPRRB is a simple, safe, and reliable surgical renal biopsy method.
- It presents a viable alternative to open and videolaparoscopic techniques.
- This minimally invasive approach is suitable for pediatric renal biopsies.
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