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作者选择了欲行肝门恶性肿瘤梗阻切除术的19例患者,男10例、女9例,年龄43～73岁。其中胆管癌15例,胆囊癌3例,肝细胞癌1例。病例均行血管造影、CT动脉性门脉造影(CTAP)及彩色和光谱多普勒超声检查,各方法分别与手术所见及病理结果比较。以5～7ml/s的速度将30～40ml对比剂(Renografin30或Iohexol 140)分别注入腹腔动脉和肠系膜上动脉行血管造影。数字减影采用Digitron2(西门子公司)。导管置于肠系膜上动脉顶部,对比剂同前,速度1.5ml/s,总量150ml,延迟20～30s后10mm连续横扫,过肝门时5mm层厚,使用GEHiLite Advantage或GE HiSpeed Advantage行动态
The authors selected 19 patients who wanted to perform hepatic portal neoplasms obstruction surgery. There were 10 males and 9 females aged 43-73 years. There were 15 cases of cholangiocarcinoma, 3 cases of gallbladder carcinoma, and 1 case of hepatocellular carcinoma. All patients underwent angiography, CT arterial portography (CTAP), color and spectral Doppler ultrasonography, and each method was compared with the pathology results seen by surgery. 30 to 40 ml of contrast agent (Renografin 30 or Iohexol 140) were injected into the celiac artery and superior mesenteric artery for angiography at a rate of 5 to 7 ml/s. The digital subtraction uses Digitron2 (Siemens). The catheter was placed on the top of the superior mesenteric artery with the same contrast agent as before. The speed was 1.5 ml/s. The total volume was 150 ml. After a delay of 20-30 s, the tissue was continuously swept at 10 mm. The thickness of the liver was 5 mm and the GEHiLite Advantage or GE HiSpeed Advantage was used.