'BJUI Clinical Dilemma': the incidental small renal mass in a solitary kidney

Bruce Gao¹, Pratik Kanabur², Riccardo Campi^{3

4}, Maxine Tran⁵, Jaime Landman¹, Ivan Pedrosa⁶, Ben Challacombe⁷, Tze Min Wah^{8

9}, Shankar Siva^{10

11}, Michael Jewett¹², Grant D Stewart¹³, Brian Shuch², Ralph Clayman¹

Affiliations

¹ Department of Urology, University of California, Irvine, Orange, CA, USA.
² Department of Urology, University of California Los Angeles, Los Angeles, CA, USA.
³ Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy.
⁴ Unit of Urological Robotic Surgery and Renal Transplantation, Careggi Hospital, University of Florence, Florence, Italy.
⁵ Department of Surgical Biotechnology, University College London, London, UK.
⁶ Department of Radiology and Urology, University of Texas Southwestern, Dallas, TX, USA.
⁷ Guy's and St Thomas' Hospitals and King's College, London, UK.
⁸ Leeds Institute of Medical Research (LIMR), University of Leeds, Leeds, UK.
⁹ Institute of Oncology, St. James's University Hospital, Leeds Teaching Hospitals Trust, Leeds, UK.
¹⁰ Department of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia.
¹¹ Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, Victoria, Australia.
¹² Department of Surgery (Urology), Princess Margaret Cancer Center, University of Toronto, Toronto, Ontario, Canada.
¹³ Department of Surgery, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK.

PMID: 39761985
PMCID: PMC11842889
DOI: 10.1111/bju.16627

'BJUI Clinical Dilemma': the incidental small renal mass in a solitary kidney

Bruce Gao et al. BJU Int. 2025 Mar.

. 2025 Mar;135(3):371-379.

doi: 10.1111/bju.16627. Epub 2025 Jan 6.

Authors

Affiliations

¹ Department of Urology, University of California, Irvine, Orange, CA, USA.
² Department of Urology, University of California Los Angeles, Los Angeles, CA, USA.
³ Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy.
⁴ Unit of Urological Robotic Surgery and Renal Transplantation, Careggi Hospital, University of Florence, Florence, Italy.
⁵ Department of Surgical Biotechnology, University College London, London, UK.
⁶ Department of Radiology and Urology, University of Texas Southwestern, Dallas, TX, USA.
⁷ Guy's and St Thomas' Hospitals and King's College, London, UK.
⁸ Leeds Institute of Medical Research (LIMR), University of Leeds, Leeds, UK.
⁹ Institute of Oncology, St. James's University Hospital, Leeds Teaching Hospitals Trust, Leeds, UK.
¹⁰ Department of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia.
¹¹ Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, Victoria, Australia.
¹² Department of Surgery (Urology), Princess Margaret Cancer Center, University of Toronto, Toronto, Ontario, Canada.
¹³ Department of Surgery, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK.

PMID: 39761985
PMCID: PMC11842889
DOI: 10.1111/bju.16627

No abstract available

Keywords: active surveillance; carbonic anhydrase IX; partial nephrectomy; renal mass ablation; renal mass biopsy; sestamibi; small renal mass; stereotactic ablative body radiotherapy.

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Figures

**Fig. 1**
A 2.9‐cm well‐defined, solid exophytic renal mass is noted in the posterior midsection of a solitary left kidney (R.E.N.A.L. nephrometry score 8). There is no evidence of intra‐tumoral fat. There are no signs of invasion into the renal sinus, renal vein or perinephric fat and there is no lymphadenopathy.

See this image and copyright information in PMC

References

1. Gao B, Gorgen ARH, Bhatt R et al. Avoiding “needless” nephrectomy: what is the role of small renal mass biopsy in 2024? Urol Oncol 2024; 42: 236–244 - PubMed
1. Stewart GD, Klatte T, Cosmai L et al. The multispeciality approach to the management of localised kidney cancer. Lancet 2022; 400: 523–534 - PubMed
1. Chandrasekar T, Boorjian SA, Capitanio U, Gershman B, Mir MC, Kutikov A. Collaborative review: factors influencing treatment decisions for patients with a localized solid renal mass. Eur Urol 2021; 80: 575–588 - PubMed
1. Campi R, Stewart GD, Staehler M et al. Novel liquid biomarkers and innovative imaging for kidney cancer diagnosis: what can Be implemented in our practice today? A systematic review of the literature. Eur Urol Oncol 2021; 4: 22–41 - PubMed
1. Marconi L, Dabestani S, Lam TB et al. Systematic review and meta‐analysis of diagnostic accuracy of percutaneous renal tumour biopsy. Eur Urol 2016; 69: 660–673 - PubMed

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'BJUI Clinical Dilemma': the incidental small renal mass in a solitary kidney

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'BJUI Clinical Dilemma': the incidental small renal mass in a solitary kidney

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