Preferred Label : stipple sign;
Definition : Scattered dots contrast on an intravenous pyleogram or a retrograde pyelogram resemble
a pointillistic painting. Best seen in papillary bladder tumor, but may be seen wherever
urothelial tumor expresses papillary form.;
Source : RadioGraphics 2004;24:S247-S280;
Origin ID : RID35586;
Associated condition(s)
Scattered dots contrast on an intravenous pyleogram or a retrograde pyelogram resemble
a pointillistic painting. Best seen in papillary bladder tumor, but may be seen wherever
urothelial tumor expresses papillary form.