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可切除性评估
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  assessment of resectability
     Pancreatic Carcinoma:Diagnosis and Assessment of Resectability by using CT
     CT对胰腺癌的诊断及手术可切除性评估
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     Assessment of resectability of pancreatic head and periampullary tumors by color Doppler flow imaging
     彩色多普勒血流显像在胰头和壶腹周围癌可切除性评估中的应用价值
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     Objective To evaluate the value of spiral computed tomography (CT) in the preoperative detection of hepatic metastases and assessment of resectability.
     目的 评价螺旋CT对于结肠癌肝转移术前检出与可切除性评估价值。
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  resectability evaluation
     TNM staging and resectability evaluation were made in 18 patients before surgery.
     18例手术患者,术前进行TNM分期和可切除性评估
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     Dukes staging and resectability evaluation were made in 32 patients before surgery and meanwhile the results were compared with pathology.
     32例手术患者 ,术前进行Dukes分期和可切除性评估 ,并与病理进行对照。
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  “可切除性评估”译为未确定词的双语例句
     Sensitivity and specificity was 66.7%,78.2%,76.9% for the assessment of tumor resectability by CT.
     可切除性评估的敏感度66.7%,特异度78.2%,诊断准确度76.9%。
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     Pancreatic Carcinoma: Diagnosis and Preoperative Resectability Assessment by Using Gd-DTPA 3D FSPGR Dynamic MR Imaging
     Gd-DTPA 3D FSPGR MR动态增强在胰腺癌诊断和术前可切除性评估中的价值
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     The accuracy of evaluating surgical respectability was 84.62%.
     可切除性评估的准确性为84. 62%。
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     Utility of Enhanced Spiral CT Combined with Carbohydrate Antigen 19-9 in Determining Resectability of Pancreatic Cancer
     螺旋CT增强扫描结合糖链抗原19-9检测对胰腺癌可切除性评估的价值
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     Objective To study the value of Gd-DTPA three dimension fast spoiled gradient-echo (3D FSPGR) dynamic MRI in the diagnosis and preoperative respectability assessment of pancreatic carcinoma.
     目的 探讨钆喷酸葡胺三维快速扰相梯度回波(Gd DTPA 3D FSPGR)MR动态增强成像在胰腺癌诊断和术前可切除性评估中的价值。
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  相似匹配句对
     MRI Imaging in Determining Resectability of Esophageal Carcinoma
     食管癌手术可切除性的MRI评估
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     The accuracy of evaluating surgical respectability was 84.62%.
     可切除性评估的准确性为84. 62%。
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     Evaluation Method of Wetting Agents
     润湿剂的评估
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     5) assessing;
     ⑤评估;
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  assessment of resectability
Assessment of resectability of pancreatic carcinoma by endoscopic ultrasonography
      
For different reasons (previous operations, assessment of resectability, use of interventional techniques etc.) laparoscopic palliation obviously is realized only in a small number of patients.
      
Primary malignant liver tumors in childhood: Assessment of resectability with high-field MR and comparison with CT
      
Hilar cholangiocarcinoma: radiological assessment of resectability
      
Assessment of resectability of pancreatic cancer with dynamic contrast-enhanced MR imaging: technique, surgical correlation and
      
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Purpose: To optimize spiral CT angiography (SCTA) technique and to widen the range of its clinical applicability. Materials and methods: Thirty patients with SCTA were divided into three groups: vascular diseases, relationship of tumor to adjacent vessels, imaging of portal vein system. Contrast material was injected intravenously with a power injector via the antecubital vein. The bolus timing, injective rate, the delay time and the scanning technique varied with the type of study location of the lesions and...

Purpose: To optimize spiral CT angiography (SCTA) technique and to widen the range of its clinical applicability. Materials and methods: Thirty patients with SCTA were divided into three groups: vascular diseases, relationship of tumor to adjacent vessels, imaging of portal vein system. Contrast material was injected intravenously with a power injector via the antecubital vein. The bolus timing, injective rate, the delay time and the scanning technique varied with the type of study location of the lesions and the scanning range. MIP and SSD reconstruction were used as three dimensional models. Results: High quality vascular images could be obtained by optimizing scanning technique and contrast agent administration. The 3D presentation could clearly display the vascular anatomy, its pathological conditions including artery stenosis, aortic aneurysm. Also, the 3D images could accurately depict and evaluate relationship of tumor to vessels such as pad effect, encasement and involvement. Even with peripheral injection of contrast agent, the portal venous system could also be demonstrated effectively with this technique providing the surgeon with information about resectability and a “road map” for planning the hepatic and pancreatic tumor operation. These views could also provide a 3D map of the hepatic venous and intrahepatic portal venous system to allow planning of transjugular intrahepatic portal systemic shunt (TIPSS) procedure and confirm the patency of portacaval and mesocaval shunts postoperatively. Conclusion: Spiral CT angiography was found to be a noninvasive fast and effective method to image complex vascular structures, and to compensate for the limitation of conventional CT and MRI. To some extent, the technique can be as an alternative to DSA.

目的:探讨合理的螺旋CT血管造影(spiralCTangiography,SCTA)技术,扩大其临床应用范围,并对其临床价值作一初步评估。材料与方法:30例SCTA检查分为三组:血管性病变、肿瘤与邻近血管关系、门静脉系统成像。扫描技术和造影剂参数按受检部位、范围和病变性质具体设置。三维重建采用最大强度投影(MIP)或(和)表面成像显示(SSD)。结果:合适的扫描和增强技术可获得良好的血管成像,能可靠地显示血管形态和病变,如动脉狭窄、动脉瘤等;术前准确评估肿瘤与邻近血管关系:推移、压迫、包绕或浸润。外周静脉注射造影剂,门静脉结构和分布可充分显示,有利于肝癌、胰腺癌的术前可切除性评估和术中导向,TIPS空间定位、门静脉或肠系膜静脉与下腔静脉分流术后通畅性评估。结论:SCTA是有效的无创伤性血管成像术,可弥补横断面CT和MRA的不足,在某种程度上可替代创伤性的血管造影(或DSA)。

Objective: To evaluate the low field MR imaging in diagnosing of gastric carcinoma. Materials and Methods: Multiplanar and multisequence MR scanning, before and after contrast enhanced, were performed in 50 normal subjects who took different volume of water, GdDTPA solution or air. The same MR scanning was conducted in 30 patients with advanced gastric cancer, who were fasted for 48 hours and given 20mg of 6542 ten minutes before study, and drank 6001,000ml water immediately before study. TNM staging and resectability...

Objective: To evaluate the low field MR imaging in diagnosing of gastric carcinoma. Materials and Methods: Multiplanar and multisequence MR scanning, before and after contrast enhanced, were performed in 50 normal subjects who took different volume of water, GdDTPA solution or air. The same MR scanning was conducted in 30 patients with advanced gastric cancer, who were fasted for 48 hours and given 20mg of 6542 ten minutes before study, and drank 6001,000ml water immediately before study. TNM staging and resectability evaluation were made in 18 patients before surgery. Results: Gastric anatomy was clearly demonstrated on MRI. The thickness of normal gastric wall was 46mm, showing homogeneous signal. The gastric wall presented isointensity signal on both T1WI and T2WI, a little highintensity signal on GRL and homogeneous enhanced after injection of contrast. The detecting rate of advanced gastric cancer was 100%. The accuracy of staging with MRI was 94.5%. The accuracy of preoperative evaluation for the resectability was 89%. Conclusion: MRI can well show the gastric wall thickness, anatomic structure and surrounding anatomy. For the advanced gastric cancer, MRI can demonstrate not only all its morphologic features, such as mass, thickened wall and invasion of adjacent organs, but also adenopathy, metastasis in abdominal cavity and viscera. MRI is very helpful in the diagnosis and staging of gastric

目的:探讨低场强MR成像技术在胃癌诊断中的作用。材料与方法:50例正常成人服用不同量的水和造影剂(GdDTPA)溶液、空气,注射或不注射低张药物后,进行多方位、多系列MR增强前后扫描以资对照。30例进展期胃癌患者,空腹4~8小时,检查前10分钟肌注654220mg,检查前即刻喝水600~1000ml,行多方位、多系列增强前后扫描。18例手术患者,术前进行TNM分期和可切除性评估。结果:MRI可清晰显示胃的解剖结构,邻近器官的毗邻关系;正常胃壁厚度与胃充盈的程度和扩张关系密切,在不同部位胃壁的厚度也不一致,在适度充盈下,正常胃壁厚度<4~6mm,正常胃壁的MRI信号均匀一致,T1WI、T2WI均呈等信号,GRL呈稍高信号,增强扫描,轻度均匀强化。进展期胃癌MRI检出率为100%。胃癌的MRI分期准确性94.5%,术前可切除性估价的准确性为89%。结论:MRI能清晰显示胃壁的厚度、解剖结构和毗邻关系。在进展期胃癌的诊断中,MRI不仅能显示胃腔内外和胃壁内肿块、胃壁增厚、邻近器官的侵犯,还能显示淋巴结肿大,肝、脾、胰、网膜、腹腔的转移。其异常信号改变颇具特异性。MRI在进展期胃癌的诊断、分期和术前评...

目的:探讨低场强MR成像技术在胃癌诊断中的作用。材料与方法:50例正常成人服用不同量的水和造影剂(GdDTPA)溶液、空气,注射或不注射低张药物后,进行多方位、多系列MR增强前后扫描以资对照。30例进展期胃癌患者,空腹4~8小时,检查前10分钟肌注654220mg,检查前即刻喝水600~1000ml,行多方位、多系列增强前后扫描。18例手术患者,术前进行TNM分期和可切除性评估。结果:MRI可清晰显示胃的解剖结构,邻近器官的毗邻关系;正常胃壁厚度与胃充盈的程度和扩张关系密切,在不同部位胃壁的厚度也不一致,在适度充盈下,正常胃壁厚度<4~6mm,正常胃壁的MRI信号均匀一致,T1WI、T2WI均呈等信号,GRL呈稍高信号,增强扫描,轻度均匀强化。进展期胃癌MRI检出率为100%。胃癌的MRI分期准确性94.5%,术前可切除性估价的准确性为89%。结论:MRI能清晰显示胃壁的厚度、解剖结构和毗邻关系。在进展期胃癌的诊断中,MRI不仅能显示胃腔内外和胃壁内肿块、胃壁增厚、邻近器官的侵犯,还能显示淋巴结肿大,肝、脾、胰、网膜、腹腔的转移。其异常信号改变颇具特异性。MRI在进展期胃癌的诊断、分期和术前评估等方面具?

Objective To evaluate dual phase spiral CT scanning in assessing the resectability of pancreatic cancer.Materials and Methods The resectability and diagnosis were prospectively evaluated in 42 patients with suspicious pancreatic cancer who underwent surgery later. Pathologic results confirmed pancreatic cancer in 33 cases and not confirmed pancreatic cancer in 9 cases. Dual phase CT scans were obtained with the delayed time of 25 or 60 seconds, respectively. A comparison of CT diagnosis with surgical findings...

Objective To evaluate dual phase spiral CT scanning in assessing the resectability of pancreatic cancer.Materials and Methods The resectability and diagnosis were prospectively evaluated in 42 patients with suspicious pancreatic cancer who underwent surgery later. Pathologic results confirmed pancreatic cancer in 33 cases and not confirmed pancreatic cancer in 9 cases. Dual phase CT scans were obtained with the delayed time of 25 or 60 seconds, respectively. A comparison of CT diagnosis with surgical findings was made.Results Of total 42 cases, 39 (93%) were correctly diagnosed on spiral CT. For prediction of resectability, spiral CT carries an accuracy of 91%, sensitivity of 89% and specificity of 92%. CT detected liver metastases in 8 of 10 cases (80%) and peritoneal carcinomatosis in 5 of 9 cases (56%), and correct judgement as whether the peripancreatic vessels were invaded was obtained in 19 of 21 cases (91%).Conclusion (1) Spiral CT scanning exhibits high accuracy both in diagnosing pancreatic cancer and in assessing the peripancreatic vascular invasion, therefore, it is the most valuable and precise imaging technique for preoperative assessment of pancreatic cancer. (2) Dual phase thin slice spiral CT scanning can accurately assess the peripancreatic vessels, though it has limited value in detecting small liver metastases and peritoneal carcinomatosis.

目的 评价螺旋CT双期扫描对胰腺癌可切除性的价值。材料与方法 对 42例拟诊胰腺癌随后又行手术治疗的患者作出前瞻性的诊断和可切除性的评估。病理结果 :胰腺癌 3 3例 ,非胰腺癌 9例。CT双期延迟扫描时间分别为 2 5s和 60s。并将CT判断的结果与手术结果作对比。结果  42例中 ,螺旋CT正确诊断 3 9例 ( 93 % )。螺旋CT判断可切除性的敏感性为 89% ,特异性为92 % ,准确性为 91%。 10例肝转移癌 ,CT诊断 8例 ( 80 % ) ;9例腹膜癌变 ,CT诊断 5例 ( 5 6% ) ;关于胰周血管是否受侵 ,2 1例中CT判断正确 19例 ( 91% )。结论 螺旋CT不仅诊断胰腺癌的准确性高 ,而且判断其可切除性的准确性也高 ,因而是诊断和术前评估胰腺癌最全面而准确的影像学手段之一。螺旋CT双期薄层扫描判断胰周血管是否受侵的准确性较高 ,从而提高了可切除性判断的准确性 ,但对肝内小转移灶和腹膜癌变的诊断存在局限性

 
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