Use of intravenous pyelography after noncontrast computed tomography
Use of intravenous pyelography after noncontrast computed tomography
Axial noncontrast CT showing mild left hydronephrosis and perinephric stranding (A). Coronal noncontrast CT showing the obstructing mid-left ureteral stone (B; arrow). Follow-up IVP scout (C) and 10-minute (D) KUBs showing no stone and normal bilateral kidney function confirming stone passage.