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Updated: May 26, 2026

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses
Published on: March 30, 2015
Evaluation and management of small renal masses: looking beyond the tumor margin
Michael Garcia-Roig1, Michael A Gorin, Merce Jorda
1Department of Urology, University of Miami Miller School of Medicine, Miami, FL 33136, USA. mgarciaroig@med.miami.edu
Abstract:
In an effort to preserve renal function, nephron-sparing approaches such as partial nephrectomy are now routinely performed for the treatment of small renal masses (SRMs). To date, several groups have studied the utility of examining the renal parenchyma contained beyond the tumor margin of partial nephrectomy specimens for histopathologic evidence of non-neoplastic disease processes. The diagnosis of progressive renal disease through the study of this tissue allows for early medical intervention with possible further preservation of renal function. In this review, we discuss the management of SRMs with an emphasis on the emerging role of evaluating tumor specimens for non-neoplastic pathologic abnormalities. We believe that the thorough study of tissue contained beyond the tumor margin of partial nephrectomy specimens is the next step in preserving renal function and improving survival for patients with SRMs.
Insights
Examining kidney tissue beyond the tumor in partial nephrectomy specimens can reveal non-cancerous diseases. Early diagnosis of these conditions aids in preserving kidney function and improving patient survival for small renal masses (SRMs).
Area of Science:
- Nephrology
- Oncology
- Pathology
Background:
- Partial nephrectomy is standard for small renal masses (SRMs) to preserve kidney function.
- Analyzing tissue beyond the tumor margin in surgical specimens is an emerging area of study.
- Histopathologic examination of non-neoplastic tissue may offer diagnostic and therapeutic insights.
Purpose of the Study:
- To review the management of SRMs.
- To emphasize the role of evaluating tumor specimens for non-neoplastic abnormalities.
- To highlight the importance of examining tissue beyond the tumor margin.
Main Methods:
- Review of current literature on SRM management.
- Discussion of histopathologic findings in renal parenchyma beyond the tumor.
- Analysis of the diagnostic utility of non-neoplastic tissue examination.
Main Results:
- The study of renal parenchyma beyond the tumor margin can identify non-neoplastic disease processes.
- Diagnosis of progressive renal disease in this tissue allows for early medical intervention.
- This approach has the potential to further preserve renal function.
Conclusions:
- Thorough study of tissue beyond the tumor margin in partial nephrectomy specimens is crucial.
- This practice represents a significant advancement in preserving renal function for SRM patients.
- It is a key step towards improving survival rates in patients with SRMs.
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