Preferred Label : notched ureter sign;
Definition : Ureter appears sharply scalloped on an intravenous pyelogram, caused by external compression.
May suggest renal artery stenosis, in which collateral arteries develop around the
ureter; enlarged adjacent lymph nodes; venous obstruction, leading to increased flow
through collateral vessels.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35399;
Associated condition(s)
Ureter appears sharply scalloped on an intravenous pyelogram, caused by external compression.
May suggest renal artery stenosis, in which collateral arteries develop around the
ureter; enlarged adjacent lymph nodes; venous obstruction, leading to increased flow
through collateral vessels.
