Vesico-ureteric junction calculus
? Left renal colic
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There is a 5.0 x 5.5 mm obstructing left ureteric stone at the vesicoureteric junction. Associated hydroureter and hydronephrosis which is mild to moderate in severity. Left perinephric fat stranding.
Typical CT appearance of renal colic with an obstructing stone at the left vesicoureteric junction associated with a degree of hydroureter, hydronephrosis and perinephric fat stranding. This is a very common location for a ureteric calculus to lodge. The vast majority of stones that are 4mm or less will pass naturally into the bladder. This stone measures 5.5mm and therefore there is a possibility this stone will require surgical extraction.