64层螺旋CT泌尿系成像在泌尿系病变中的应用

目的探讨多层螺旋CT泌尿系成像（MSCTU）在泌尿系病变中的应用价值。方法采用64层螺旋CT对60例临床疑诊泌尿系病变患者行泌尿系容积扫描及三维重建,评价MSCTU对泌尿系病变的诊断价值。结果泌尿系肿瘤14例,输尿管息肉2例,泌尿系结核9例,泌尿系结石13例,良性狭窄并积水13例,邻近器官病变累及输尿管致积水2例,泌尿系外伤性病变2例,肾梗死1例,术后随访复查者4例,未见异常2例。其中28例经手术病理证实,MSCTU诊断泌尿系肿瘤的敏感度100%（14/14）,特异度85.71%（12/14）,准确率92.86%（26/28）。结论 MSCTU能够直接清晰显示肾脏、输尿管、膀胱病变,可作为临床疑诊泌尿系病变患者、特别是肿瘤患者的首选检查方法。

Application of 64-slice spiral CT urography in diagnosis of urologic diseases

Objective To investigate the value of 64-slice CT urography (CTU) in diagnosis of urologic diseases. Methods Sixty patients with suspected urinary system diseases underwent 64-slice CT volume scanning and 3D reconstructions. The diagnostic value of 64-slice CTU was evaluated. Results There were 14 patients with urinary system cancers, 2 with ureter polyp, 9 with tuberculosis of urinary system, 13 with urinary system calculus, 13 with nonmalignant ureterostenosis combined with hydronephrosis, 2 with ureterostenosis and hydronephrosis induced by nearby organic damage, 2 with traumatism, 1 with renal occlusion, as well as 4 after urinary tract surgeries and 2 without abnormality. Totally 28 cases was confirmed with surgery and pathology, the sensitivity, specificity and accuracy of MSCTU for upper tract tumor was 100% (14/14), 85.71% (12/14) and 92.86% (26/28), respectively. Conclusion MSCTU is able to directly and clearly show urologic diseases. It can be regarded as the first choice in patients with clinically suspected urinary tract diseases, especially tumors.