Fat-containing renal lesions
Last revised by Henry Knipe on 28 Nov 2023
Citation, DOI, disclosures and article data
Citation:
Rezaee A, Knipe H, Niknejad M, et al. Fat-containing renal lesions. Reference article, Radiopaedia.org (Accessed on 19 Apr 2024) https://doi.org/10.53347/rID-38941
rID:
38941
Article created:
12 Aug 2015,
Amir Rezaee
Disclosures:
At the time the article was created Amir Rezaee had no recorded disclosures.
View Amir Rezaee's current disclosures
Last revised:
Disclosures:
At the time the article was last revised Henry Knipe had the following disclosures:
- Integral Diagnostics, Shareholder (ongoing)
- Micro-X Ltd, Shareholder (ongoing)
These were assessed during peer review and were determined to not be relevant to the changes that were made.
View Henry Knipe's current disclosures
Revisions:
15 times, by
9 contributors -
see full revision history and disclosures
Systems:
Sections:
Synonyms:
- Fat containing lesion within the kidney
- Fat containing lesion within the kidneys
- Fat containing lesions within the kidneys
- Differentials for fat containing renal lesions
There are numerous fat-containing renal lesions, including:
- renal angiomyolipoma
- renal cell carcinoma (often has calcifications when contains macroscopic fat)
- Wilms tumor
- renal oncocytoma
- renal or perirenal lipoma/liposarcoma
Non-mass lesions may also occasionally contain fat:
- renal junction line
- fat in a renal scar
- renal sinus lipomatosis
- xanthogranulomatous pyelonephritis
Practical points
Fat-containing lesions in the perinephric space may also mimic a fat-containing renal lesion, including:
Quiz questions
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References
- 1. Hélénon O, Merran S, Paraf F et-al. Unusual fat-containing tumors of the kidney: a diagnostic dilemma. Radiographics. 1997;17 (1): 129-44. doi:10.1148/radiographics.17.1.9017804 - Pubmed citation
- 2. Ellingson JJ, Coakley FV, Joe BN et-al. Computed tomographic distinction of perirenal liposarcoma from exophytic angiomyolipoma: a feature analysis study. J Comput Assist Tomogr. 2008;32 (4): 548-52. doi:10.1097/RCT.0b013e3181507534 - Free text at pubmed - Pubmed citation
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