Renal replacement lipomatosis is a condition characterized by varying degrees of renal parenchymal atrophy and perirenal fibrofatty proliferation secondary to chronic inflammation such as xanthogranulomatous pyelonephritis. In severe cases, imaging findings can be misdiagnosed as retroperitoneal liposarcoma.
CITATION STYLE
Ando, S. de M., Moreno, R. A., Viana, P. C. C., & Yamauchi, F. I. (2018). Extensive renal sinus lipomatosis in xanthogranulomatous pyelonephritis simulating liposarcoma. International Braz J Urol, 44(3), 642–644. https://doi.org/10.1590/S1677-5538.IBJU.2017.0509
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