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Oncocytomas of the kidney
S Krizanac1, D Vranesić, B Oberman
1Department of Pathology and Cytology, General Hospital Dr. Josip Kajfes, Zagreb, Yugoslavia.
British Journal of Urology
|September 1, 1987
Summary
This study reports seven kidney oncocytoma cases, with four initially misdiagnosed as renal carcinoma. Electron microscopy analysis confirmed oncocytoma, highlighting diagnostic challenges in renal tumors.
Area of Science:
- Nephrology
- Oncology
- Pathology
Background:
- Oncocytomas are benign kidney tumors.
- Distinguishing oncocytoma from renal cell carcinoma can be challenging.
- Histological review is crucial for accurate diagnosis.
Purpose of the Study:
- To report seven cases of renal oncocytoma.
- To highlight diagnostic discrepancies between initial and reviewed histological diagnoses.
- To present electron microscopy findings in renal oncocytoma.
Main Methods:
- Histopathological review of renal tumors.
- Electron microscopy analysis of oncocytomas.
- Case series reporting.
Main Results:
- Seven cases of kidney oncocytoma were identified.
- Four oncocytomas were reclassified from initial diagnoses of renal carcinoma.
- Electron microscopy provided detailed ultrastructural analysis.
- One case also presented with adrenal adenomas.
Conclusions:
- Renal oncocytoma diagnosis requires careful histological evaluation.
- Misdiagnosis of oncocytoma as carcinoma can occur.
- Electron microscopy aids in characterizing renal oncocytomas.