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Updated: May 3, 2026
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In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses
Published on: March 30, 2015
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[Renal unilateral oncocytis: case report].
A Gryn1, M Roumiguié1, C Mazerolles2
1Département d'urologie, CHU Rangueil, 1, avenue du Pr-Jean-Poulhès, TSA 50032, 31059 Toulouse cedex, France.
Summary
Renal oncocytoma, a rare benign kidney tumor, is often found incidentally. This case highlights a unique unilateral renal oncocytosis with multiple nodules in one kidney and a healthy contralateral kidney.
Area of Science:
- Nephrology
- Oncology
- Pathology
Background:
- Renal oncocytomas are rare, benign kidney tumors, accounting for approximately 5% of all renal neoplasms.
- These tumors are typically discovered incidentally in asymptomatic patients.
- Renal oncocytosis, characterized by multiple bilateral tumors, is an uncommon presentation.
Observation:
- This report details a rare case of unilateral renal oncocytosis.
- The patient presented with multiple renal oncocytoma nodules affecting the right renal parenchyma.
- The left kidney was unaffected and appeared normal.
Findings:
- The study describes a unique instance of right-sided renal oncocytosis.
- Histopathological examination confirmed the presence of oncocytoma in the right renal nodules.
- The contralateral kidney demonstrated no evidence of oncocytoma or oncocytosis.
Implications:
- This case expands the understanding of the clinical spectrum of renal oncocytoma.
- It underscores the possibility of unilateral multifocal oncocytoma, a rare variant of renal oncocytosis.
- Further research may elucidate the specific mechanisms and clinical significance of unilateral renal oncocytosis.
