Lake In the Hills, IL
A 35-year-old female asked:

Pain on left kidney. ct scan shows nothing and ultrasound shows mild hydronephrosis. what would cause this?

2 doctor answers2 doctors weighed in
Dr. James Krick
Urology 38 years experience
Hydronephrosis: Conflicting imaging findings with persistent symptoms. Time to see a urologist. You may need retrograde ureteropyelography or ureteroscopy. Both outpatient procedures.
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Dr. Steven Chmielewski
Diagnostic Radiology 32 years experience
UPJ stenosis: Ultrasound may detect early obstruction better than ct, and sometime the other way around. It depends. Anyway, left flank pain with mild hydronephrosis, and no stone is usually due to a narrowing of the joint between the ureter (pipe to the bladder) and the renal pelvis (holding area for urine). If there is a mild or partial "blockage" that could explain everything.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Jan 26, 2018

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