Preferred Label : kidney crescent sign;
RADLEX synonyms : crescent sign kidney; crescent sign of kidney;
Definition : Thin, curvilinear collections of contrast, arranged parallel to kidney surface, are
seen adjacent to dilated, nonopacified calyces on an intravenous pyelogram. Suggests
chronic obstructive uropathy with intact excretory function.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35122;
Associated condition(s)
Thin, curvilinear collections of contrast, arranged parallel to kidney surface, are
seen adjacent to dilated, nonopacified calyces on an intravenous pyelogram. Suggests
chronic obstructive uropathy with intact excretory function.
