Renal-related perinephric fluid collections: MRI findings

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Date

2005

Authors

Balcı, Numan Cem
Akun, Elif
Ertürk, Mehmet
Sağlam, Sezer
İnan, Nagihan
Balcı, Yeşim

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Publisher

Elsevier Science Inc

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Abstract

We retrospectively reviewed MR studies on 10 patients with renal-related perinephric fluid collections who underwent MRI in three institutions between January 2001 and August 2004. All patients underwent MRI of the abdomen and T1-weighted T2-weighted and serial contrast-enhanced images including delayed-phase contrast-enhanced images 10-12 min after contrast injection were obtained. Perinephric fluid collections in 5 patients revealed MRI findings of simple fluid content (i.e. hypointense on T1-weighted images and hyperintense on T2-weighted images). In another 5 patients a complex perinephric fluid content (i.e. mixed hyper/hypointense on T1-weighted images and mixed hypo/hyperintense on T2-weighted images compatible with blood breakdown products and pus) was observed. In 5 patients contrast extravasation on late-phase images that was compatible with urine leak was demonstrated. Our results suggest that MRI may determine the content of perinephiic fluid collections on noncontrast T1-weighted and T2-weighted images and that contrast extravasation on late-phase images is associated with urine extravasation from renal collecting systems. (c) 2005 Elsevier Inc. All rights reserved.

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Keywords

Kidney, Hemorrhage, Urinoma, Urine extravasation

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Citation

5

WoS Q

Q3

Scopus Q

N/A

Source

Volume

23

Issue

5

Start Page

679

End Page

684