File:Acute pyelonephritis and emphysematous pyonephrosis (Radiopaedia 27893-28128 renal cortical phase 9).jpg

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Description	Radiopaedia case ID: 27893 Image ID: 6032791 Image stack position: 9/14 Aux modality: renal cortical phase Modality: CT System: Urogenital Findings: A double J stent is in situ. It has fallen into the upper ureter (as seen on the coronal MIP delayed contrast) but is not associated with ureteric obstruction (i.e. contrast is being normally excreted albeit the proximal ureter is a little dilated). The stone has been pushed back into the lower pole calyx. The renal pelvis contains gas and the upper ureter is thick-walled indicating inflammation/infection. Emphysematous pyonephrosis is a concern in this setting. The renal parenchyma on the cortical phase shows areas of both cortical and medullary swelling with reduced enhancement indicative of edema due to inflammation/infection (pyleonephritis). Note swelling in the perinephric fat.
Date	Published: 26th Feb 2014
Source	https://radiopaedia.org/cases/acute-pyelonephritis-and-emphysematous-pyonephrosis
Author	Chris O'Donnell
Permission (Permission-reusing-text)	http://creativecommons.org/licenses/by-nc-sa/3.0/

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current	21:15, 18 April 2021		512 × 512 (93 KB)	Fæ (talk \| contribs)	Radiopaedia project rID:27893 (batch #1073-65 C9)

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