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Imaging recommendation · Abdomen · Pelvis

Hydronephrosis on US, etiology unknown

Recommended: CT Urogram or MR Urogram is the preferred imaging study for hydronephrosis on us, etiology unknown. Excretory phase delineates ureteral cause.

Recommended study

CT Urogram or MR Urogram

CT IV contrast Preferred Abdomen · Pelvis OutpatientAcute inpatient Reviewed

Excretory phase delineates ureteral cause. Renal scan (MAG3) for functional assessment.

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