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Magnetic Resonance Urography and X-ray Urography Findings of congenital megaureter

Chinese Medical Sciences Journal 2011年第2期26卷 103-108页

作者： Tian-ran Li Xiang-ke Du Tian-long Huo Department of Radiology Peking University People＇s Hospital Beijing 100044 China

Objective To observe the imaging findings of congenital megaureter in order to enhance the understanding of this disease. Methods Image data of 5 patients with congenital megaureter and 2 misdiagnosed patients were analyzed, and image findings of congenital megaureter were summarized. Elscint Prestig 2.0T superconductive magnetic resonance urography （MRLI） with conventional sequence （spin-echo, T 1W1560 ms/16 ms; fast spin-echo, T2WI 9600 ms/96 ms） was performed. Raw data were acquired with fast spin-echo sequence from heavy T2-weighted image （9600 ms/120 ms）. Post-processing method of MRH was the maximum in- tensity projection with three-dimensional reconstruction in the workstation. Intravenous pyelography （IVP） was conducted, in which X-ray films were taken 7 minutes, 15 minutes, and 30 minutes after injecting contrast agent, except that in 2 patients the films were taken delayed at 60 and 90 minutes. X-ray retrograde pyelography was performed on 2 patients, successful in one but failed in the other. Results The dilated ureter showed hypointensity on T1-weighted images and hyperintensity on T2-weighted images in conventional MRI. The mass wall was intact, uniform in thickness, and showing hy- pointensity on Tl-weighted and T2-weighted images. The MRH images showed a retroperitoneal mass appearing as an elongated tubular cystic structure spreading from kidney to bladder. MRLI also revealed dilated calices and renal pelvis, pelviureteric obstruction, and renal duplication. The main signs of congenital megaureter in X-urography was significant dilatation of ureter, or normal renal pelvis with ureter dilatation, hydronephrosis, deformity, and displacement. Conclusions MRH with X-urography could visualize the characteristics of congenital megaureter, including the dilation of renal pelvis and ureter, calculi, urinary tract duplication, and stenosis location. The two techniques can complement each other in disease diagnosis and provide more detailed information for

关键词： congenital megaureter magnetic resonance urography intravenous pyelo-graphy

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iagnosis and treatment of congenital megaureter inadults (Report of 11 cases)

iagnosis and treatment of congenital megaureter inadults (Re...

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第十五届全国泌尿外科学术会议

作者： ZHANG Zong-wu,YAN jun,CHEN Li-li Department of Urology,Anhui provincial Xin’an hospital 230022

Objective To evaluate and review the diagnosis and treatment of the congenital megaureter (CM) in adults. Methods The diagnosis and treatment of 11 cases of CM (4 men and 7 women;mean age,32 years) in adults in our hospital from 1998.10 to 2006.9 were analysed retrospectively. Of the 11 cases, The anomaly was on the left side in 6cases,on the right side in 3 cases,and bilateral

关键词： congenital megaureter Diagnosis Treatment

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Diagnosis and treatment of congenital megaureter inadults (RePort of 15cases)

Diagnosis and treatment of congenital megaureter inadults (R...

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第十六届全国泌尿外科学术会议

作者： ZHANG Zong-wu,YAN jun,CHEN Li-li,Guo yi DePartment of Urology,Anhui Provincial Xin’an hosPital 230022

Objective To evaluate and review the diagnosis and treatment of the congenital megaureter(CM) in *** The diagnosis and treatment of 15 cases of CM(5 men and 10 women:mean age,34 years) in adults in our hosPital from 1998.10 to 2008.10 were analysed *** the 15 cases,The anomaly was on the left side in 7 cases,on the right side in 5 cases,and bilateral in 3 cases.B-ultrasonic scan(BUS),intravenous PyelograPhy (IVU),retrograde PyelograPhy(RGP) and CT urograPhy (CTU) or magneitic resonance urograPhy(MRU) revealed whole ureter distension and Pelvis hydroPs in 7 cases,lower ureter distension in 8 cases,renal calculi in 2 cases,lower ureteral calculi in 3 *** ureter stricture was found. Urodynamics and MCUG showed no neurogenic bladder and vesicoureteral *** Patients were treated by ureteroPlasty reimPlantation after control of urinary tract *** All Patients were followed-uP from 0.5-5 *** were found that the hydronePhrosis and hydroureter of the oPerated side of the Patients had reduced obviously by BUS and IVU,the symPtoms of the Patients had reduced and the symPtoms of the Patients *** were no significant change on the none-oPerated side. Conclusions Imaging examinations of BUS,IVU,RGP, MRU,MCUG and urodynamics are the oPtimal methods for the diagnosis of CM in *** accurate control of infection and careful Procedure have significance,ureter tailoring and bladder reimPlantation is an effective surgical method for conserving rena function of CM.

关键词： congenital megaureter Diagnosis Treatment

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