Chronic pelviureteric junction obstruction
Impaired renal function. Right hydronephrosis on ultrasound scan.
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Severe right sided hydrophrosis to the level of the PUJ. Ureter normal in caliber.
Advanced cortical thinning of the right kidney to 3mm.
No meaningful excretion in the right collection system.
Normal left kidney.
A late presentation of a PUJ obstruction. Abrupt caliber change at the PUJ, with severe obstruction and cortical thinning.
The minimal excretion from the right kidney suggests this has minimal residual function. A MAG-3 scan would clarify this.