Preferred Label : negative pyelogram;
Definition : Dilated collecting system is filled with unopacified urine, producing reverse image
of normal pyelogram. Suggests hydronephrosis.;
Source : RadioGraphics 2004;24:S247-S280;
Origin ID : RID35396;
Associated condition(s)
Dilated collecting system is filled with unopacified urine, producing reverse image
of normal pyelogram. Suggests hydronephrosis.
