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目的:探讨64排容积CT尿路成像在输尿管结石中的诊断价值。方法:分析200例输尿管结石的患者,其被临床或者手术判定为输尿管结石,所有入选的患者行64排容积CT尿路成像,并采用不同图像后处理:多平面重组、曲面重组、最大密度投影、容积再现、表面成像。结果:在入选的200例患者中,结石最小的直径为1.5 mm,结石位于输尿管上段的有70例,位于下段的有83例,位于中段的有35例,位于输尿管上中下段的有12例。同时还发现合并输尿管畸形的患者,其中,合并肾囊肿的100例,输尿管囊肿的5例,膀胱憩室的4例,合并肾结石的30例,合并膀胱结石的10例,合并输尿管及肾积脓的2例,肾盂及输尿管畸形的20例。结论:64排容积CT对于输尿管结石的定位、大小、形态、数量及其周围情况的诊断具有重要的价值,同时可显示泌尿系统是否合并畸形及肾结石、膀胱结石。
Objective: To investigate the diagnostic value of 64-row plethysmography urography in ureteral calculi. Methods: A total of 200 patients with ureteral calculi underwent ureteral calculi underwent clinical or surgical evaluation. All patients underwent CT urography with 64-row plethysmography and post-treatment with different images: multiplanar reorganization, surface recombination, maximum density projection Volume reproduction, surface imaging. RESULTS: Of the 200 patients enrolled, the smallest diameter of the stone was 1.5 mm, the stones were 70 in the upper ureter, 83 in the lower, 35 in the middle, and 12 in the middle and lower ureter . Also found in patients with ureteral deformity, including 100 cases of renal cysts, ureteral cysts in 5 cases, 4 cases of bladder diverticulum, 30 cases of renal stones combined with bladder stones in 10 cases, combined ureteral and pyogenic 2 cases of renal pelvis and ureter deformity in 20 cases. Conclusion: The 64-row volumetric CT has important value for the diagnosis, location, size, shape, quantity and surrounding area of ureteral calculi. It also shows whether the urinary system is associated with deformity, kidney stones or bladder stones.