Prone CT-KUB: passed ureteric stone

Case contributed by Ian Bickle


Left loin to groin pain.

Patient Data

Age: 50 years
Gender: Female

Intense left perinephric stranding.

5 mm stone in the bladder.

Case Discussion

Features of left ureteric stone passage.

Many centers acquire CT-KUB studies in the prone position.  

Many stones lie at the VUJ or the dependent position of the bladder if the stones have already passed into the bladder.

The prone acquisition allows, as in this case, to confirm if the stone has already passed into the bladder.


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