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Updated: Aug 29, 2026
Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition
Published on: June 21, 2024
A spontaneous giant urinoma: a cause of abdominal mass
Cabir Alan1, Mehmet Kalkan, Hakki Uzun
1Department of Urology, Cerrahpasa School of Medicine, University of Istanbul, Istanbul, Turkey. cabir1@yahoo.com
Objectives:
To report a case of unilateral ureteral obstruction associated with giant retroperitoneal urinoma which was treated successfully by percutaneous drainage.
Methods:
A 19G ultrasound guided needle was introduced into the mass and after dilatation procedure, a 14 Fr nephrostomy catheter was placed and 5.5 of liquid were drained.
Results:
Drainage from the nephrostomy catheter stopped 24 hours later. Patient was discharged with the nephrostomy tube. One week later, on control tomography, absence of left renal suprahilar posteromedial focal cortical contour was seen.
Conclusions:
A minor cortical or forniceal rupture with no urinary extravasation on radiographic examination is thought to be the cause of this urinoma. Percutaneous drainage may be considered as an alternative treatment option to surgical intervention in the treatment of urinomas, especially when there is no persistent ureteral obstruction or communication between the collecting system and the urinoma.
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