Method 17 patients with non-opaque ureterolith calculi were treated with ESWL by intravenous urography(IVU) and retrogradeurography(RGU) location.
方法采用顺行加逆行造影联合定位ESWL治疗输尿管阴性结石17例。
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METHODS the data of the routine B - us, diuretic us, the retrogradeurography, the percutaneous puncture contrast examination, ct were analyzed in 78 cases with the negative ureteral calculous.