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CC BY-NC-ND 4.0 · Journal of Gastrointestinal and Abdominal Radiology 2021; 4(03): 240-242
DOI: 10.1055/s-0041-1723924
Case Report

Spontaneous Perinephric Urinoma Secondary to Drug Induced Acute Interstitial Nephritis: A Case Report

Rajesh Kumar Varatharajaperumal
1   Department of Radiology, Kovai Medical Center and Hospital, Coimbatore, India
,
Rupa Renganathan
1   Department of Radiology, Kovai Medical Center and Hospital, Coimbatore, India
,
V Mangalakumar
2   Department of Nephrology, Kovai Medical Center and Hospital, Coimbatore, India
,
Sriman Rajasekaran
1   Department of Radiology, Kovai Medical Center and Hospital, Coimbatore, India
,
Venkatesh Kasi Arunachalam
1   Department of Radiology, Kovai Medical Center and Hospital, Coimbatore, India
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Abstract

Urinoma is defined as the extravasation of urine from any part of the urinary collecting system, which causes lipolysis of the surrounding fat, resulting in an encapsulated collection. The most common cause of urinoma is the direct obstruction of the urinary system. The other etiologies include trauma and postinstrumentation/surgery. Parenchymal cause for spontaneous urinoma is exceedingly rare. We present a case of a 30-year-old gentleman who presented with lower abdominal pain and was treated with a Diclofenac injection. The pain got better temporarily, but he presented again with right loin pain after 3 days. His computed tomography scan images revealed bilateral perinephric urinoma. As there was significant deterioration of renal function, he underwent a renal biopsy. The histopathology was reported as acute interstitial nephritis (AIN). Drug-induced AIN is very rarely presented with acute loin or abdominal pain due to spontaneous perinephric urinoma, as it was seen in our case.

Keywords

spontaneous urinoma - NSAID-induced Nephritis - acute kidney injury - acute interstitial nephritis


Publication History

Article published online:
25 March 2021

© 2021. Indian Society of Gastrointestinal and Abdominal Radiology. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

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