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Bilateral Renal Oncocytoma: Active Surveillance Versus Partial Nephrectomy
Abha Sathe1, David Lindars1, Pranav Sathe1
1Urology, California Northstate University College of Medicine, Elk Grove, USA.
Cureus
|March 30, 2022
Summary
Renal oncocytomas (ROs) are benign kidney tumors that are difficult to diagnose. Active surveillance with core renal biopsy offers a promising, less invasive approach for diagnosis and management.
Area of Science:
- Urology
- Oncology
- Pathology
Background:
- Renal oncocytomas (ROs) constitute 16% of renal masses and present diagnostic challenges due to overlapping features with chromophobe renal cell carcinoma (RCC).
- Lack of specific clinical, laboratory, and imaging characteristics (CT scans) complicates the definitive preoperative diagnosis of ROs.
Observation:
- A case report details a 66-year-old male with flank pain found to have bilateral ROs, necessitating bilateral partial nephrectomies.
- ROs are benign small renal masses that frequently pose diagnostic difficulties, hindering accurate preoperative assessment.
Findings:
- Preoperative diagnosis of ROs remains challenging due to their indistinct appearance from RCCs on CT scans.
- Advancements in technology suggest active surveillance combined with core renal biopsy as a viable strategy for RO diagnosis and conservative management.
Implications:
- Accurate diagnosis and conservative management of ROs can reduce the need for invasive surgeries, benefiting patient outcomes.
- Implementing active surveillance and core biopsy techniques for ROs can lead to more cost-effective patient management strategies.
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