PURPOSE: Perinatal identification of children with congenital urinary obstruction has
challenged our understanding of the pathophysiology and clinical treatment of many …

Reports of the spontaneous resolution of many cases of urinary tract dilatation detected
before and after birth, even of severe degree, are increasing. Furthermore, differentiating …

PURPOSE: A combination of nuclear medicine, ultrasound and voiding cystourethrography
is typically used to investigate hydronephrosis in children. A major problem is the lack of an …

Ureteropelvic junction obstruction (UPJO) is the most common cause of postnatal
hydronephrosis. However, hydronephrosis now is usually diagnosed antenatally and affects …

Ultrasound is the main imaging study used to diagnose ureteropelvic junction (UPJ)
obstruction. On ultrasound, abnormal dilatation of the pelvicalyceal system of varying …

PURPOSE: The intrarenal resistive index is a physiological parameter that indirectly reflects
the degree of resistance in the intrarenal vasculature. Resistive index measurements have …

Conventional ultrasound of the kidney is used commonly to depict structural abnormalities. It
is limited, however, by a lack of functional and vascular information. Doppler sonography …

The objective of the study was to determine the values of Doppler resistance indices (RIs) in
intrarenal arteries in healthy children. Color duplex Doppler sonography of intrarenal …

PURPOSE: To evaluate contrast agent–enhanced harmonic ultrasonographic (US) imaging
and Doppler hemodynamics during acute urinary obstruction. MATERIALS AND METHODS …

Objective To measure the renal resistive index (RI, an estimate of renal vascular resistance,
used to assess upper tract obstructive uropathy) from the last trimester of pregnancy to the …