Preferred Label : deflected calyx sign;
Definition : Calyx is displaced by adjacent pseudotumor on an intravenous urogram or retrograde
urogram. Suggests renal tuberculosis; narrowing of the infundibulum causes dilation
and filling of obstructed minor calyx, which then displaces the adjacent calyx.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35138;
Associated condition(s)
Calyx is displaced by adjacent pseudotumor on an intravenous urogram or retrograde
urogram. Suggests renal tuberculosis; narrowing of the infundibulum causes dilation
and filling of obstructed minor calyx, which then displaces the adjacent calyx.
