Diagnostic Ultrasound - Abdomen and Pelvis

Urolithiasis
(Left) Intravenous pyelogram
(IVP) shows markedly delayed
right nephrogram ſt and right
hydroureteronephrosis st
caused by an obstructing
distal ureteral stone within
a ureterocele (outpouching
of distal ureter into bladder).
In addition, a contralateral
ureterocele is present .
(Right) Transverse US of the
bladder shows a bladder stone
ſt with posterior acoustic
shadowing .
Diagnoses: Urinary Tract
(Left) Transverse US of the
bladder shows a hyperechoic
stone in the left UVJ.
Notice the surrounding halo of
edema ſt, which can yield a
pseudoureterocele
appearance on IVP. (Right)
Transverse color Doppler US of
the bladder in the same
patient shows a left UVJ stone
with halo of edema ſt and
twinkling artifact .
(Left) Longitudinal US of the
bladder shows a shadowing
st bladder calculus .
(Right) Longitudinal color
Doppler US in the same
patient shows twinkling
artifact st and acoustic
shadowing ſt posterior to the
bladder stone .
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