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Case Reports
. 2019 Mar;23(3):427-428.
doi: 10.1007/s10157-018-1640-9. Epub 2018 Sep 3.

Symmetric nephromegaly

Chia-Lin Shen  1 , Chin-Chen Pan  2   3 , Chih-Yu Yang  4   5   6
Affiliations
Case Reports

Symmetric nephromegaly

Chia-Lin Shen et al. Clin Exp Nephrol. 2019 Mar.

Abstract

We report a lady with bilateral symmetrical xanthogranulomatous pyelonephritis (XPGN) presented with acute kidney injury and sepsis, in which both CT and MRI mimicked an infiltrative disease, except that the infiltration was not very homogenous. Eventually, the pathological diagnosis turned out to be XPGN. Most XPGN were unilateral, and there have been a few publications of bilateral involvement. Moreover, this case lacked typical manifestations, such as renal calculus, contracted renal pelvis, or obstructive nephropathy. This image reminds us that bilateral renal infiltrative disease could not completely exclude the possibility of XPGN, in which the inhomogeneity of the infiltration pattern on CT/MRI may be a clue.

Keywords: Acute kidney injury; Bilateral XPGN; Kidney pathology; Symmetric nephromegaly.

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