Archivio italiano di urologia, andrologia : organo ufficiale [di] Societa italiana di ecografia urologica e nefrologica · 2002
US and MRI in renal obstruction evaluation.
Оценочное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Budau Marina, Onu Mihaela, Jinga Viorel, Braticevici Bogdan, Pop Tiberiu
Аннотация
OBJECTIVE: To explore the renal obstruction using MRI (Magnetic Resonance Imaging) for anatomical evaluation and Doppler US (Ultra Sound) for functional evaluation.
MATERIALS AND METHODS: Thirty-two patients with renal obstruction were investigated. The presence of renal obstruction was subsequently established by excretory urography or surgery. US studies were performed using a B&K Medical ultrasound system Panther 2002 equipped with 3 Mhz transducer. MR urography was done with a magnetic resonance imaging system 0.28T, Tomikon R28-Bruker, Germany.
RESULTS: All 30 patients presented increased renal vascular resistance as determined by US evaluation (Resistive Index = 0.74 +/- 0.02). The MR urography proved dilated urinary collecting system in only 20 patients of the group.
CONCLUSIONS: Doppler US has a very good sensitivity in detecting the renal obstruction before the dilatation of the collecting system be installed. Used together these methods (US and MR urography) are important for proving anatomical as well as functional changes in renal obstruction. Both methods could be useful mainly in patients with known intolerance to contrast media.
MATERIALS AND METHODS: Thirty-two patients with renal obstruction were investigated. The presence of renal obstruction was subsequently established by excretory urography or surgery. US studies were performed using a B&K Medical ultrasound system Panther 2002 equipped with 3 Mhz transducer. MR urography was done with a magnetic resonance imaging system 0.28T, Tomikon R28-Bruker, Germany.
RESULTS: All 30 patients presented increased renal vascular resistance as determined by US evaluation (Resistive Index = 0.74 +/- 0.02). The MR urography proved dilated urinary collecting system in only 20 patients of the group.
CONCLUSIONS: Doppler US has a very good sensitivity in detecting the renal obstruction before the dilatation of the collecting system be installed. Used together these methods (US and MR urography) are important for proving anatomical as well as functional changes in renal obstruction. Both methods could be useful mainly in patients with known intolerance to contrast media.