Renal oncocytoma: Difference between revisions
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Revision as of 15:47, 12 September 2012
| Renal oncocytoma | |
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| PET: Renal oncocytoma |
For patient information, click here
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Renal oncocytoma Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Renal oncocytoma On the Web |
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American Roentgen Ray Society Images of Renal oncocytoma |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Renal oncocytomas are relatively rare, and benign tumors (3%-6% of all renal neoplasms).
Usually present in the 6th or 7th decade of life and usually have no symptoms. Large tumors frequently have a central scar. This scar is seen on CT scans and sonograms in about one-third of cases.
Diagnostic Findings
Renal oncocytomas exhibit homogeneous enhancement on CT scans, and one-half of them have a radiating arterial arrangement on angiograms.
- The presence of a central scar in an otherwise homogeneous solid tumor on CT or ultrasound suggests oncocytoma.
- The presence of a spoke wheel pattern of enhancement also suggests an oncocytoma.
(Images courtesy of RadsWiki)
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CT: Renal oncocytoma -
PET: Renal oncocytoma -
PET: Renal oncocytoma
Differential Diagnosis
The main differential diagnosis for renal oncocytoma is renal cell carcinoma. Oncocytoma and renal cell carcinoma can not be accurately differentiated by imaging.
See Also
External Links
References
- J Laperriere, and M Lafortune. Case of the day. General. Oncocytoma of the right kidney. RadioGraphics 1990 10: 1105-1107.