Ureteric calculus

Case contributed by Assoc Prof Frank Gaillard


Left sided colicky abdominal / loin pain.

Patient Data

Age: 40 years
Gender: Male

X-ray KUB

KUB (frontal and oblique) demonstrate a density just above the transverse process of L3, suspicious for a calculus. 

Annotated image

Annotated image

Small calculus (blue arrow) is seen on bone projections, in line with the likely course of the ureters. 



Non contrast CT KUB confirms the presence of a small left ureteric calculus at the level of L3. The collecting system proximal to it is normal in appearance. The stone measure 3 x 4 x 7mm and has a density of 480HU. 

Case Discussion

This patient went on to pass the stone spontaneously, without additional imaging. 

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Case information

rID: 16699
Published: 12th Feb 2012
Last edited: 31st Jul 2021
System: Urogenital
Inclusion in quiz mode: Included