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calculi
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    Value of Hounsfield unit on CT in prediction of stone-free rate of upper urinary calculi after extracorporeal shockwave lithotripsy
    CT值对上尿路结石体外冲击波碎石后结石排空率的预测价值
短句来源
    A total of 100 IVP films was digitized on a laser scanner, included calculi (29 cases), tumor (42 cases), cyst (5 cases), tuberculosis (2 cases), congenital anormalies (5 cases), benign prostatic hyperplasia (9 cases) and other diseases (8 cases).
    将IVP胶片通过扫描仪转换为数字化图像,对100例泌尿系统疾病的诊断数字化图像与原始IVP的比较,其中结石29例、肿瘤42例、囊肿5例、结核2例、先天性畸形5例、前列腺增生9例、其它8例。
短句来源
    for calculi recognition (n=30) was 73.3% (88.1%), 93.3% (92.9%) and 66.7% (81.0%), respectively;
    对胆管结石定性的准确率 (特异性 )分别为 73 .3 % ( 88.1% )、93 .3 %( 92 .9% )和 66.7% ( 81.0 % ) ;
短句来源
    When combined with all imaging sequences, the sensitivity (and specificity) for tumor and calculi definition was 90.5% (93.3%) and 96.7% (95.2%), respectively.
    结合所有的序列对结石诊断的准确率 (特异性 )为 96.7% ( 95 .2 % ) ,对肿瘤定性诊断的准确率 (特异性 )为 90 .5 % ( 93 .3 % )。
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    Results In the 39 cases, seophageal calculi in one case,gastric calculi in 37 cas- es,duodenal calculi in one case.
    结果39例中食管结石一例,同结石37例,十二指肠结石一例。
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  “calculi”译为未确定词的双语例句
    CT Diagnosis of Intrahepatic Calculi
    肝内胆管结石的CT诊断
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    X- ray diagnosis and therapy of vegetal digestive calculi(report of 39 cases)
    植物性消化道结石的X线诊断(附39例分析)
短句来源
    A pilot case of multiple renal calculi and hypersensitive β receptor returned to flight for 3 years after successful treatment
    飞行员多发性肾结石和β受体高敏愈后飞行3年一例
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    The value of diagnosing acute ureteric calculi by nonenhanced helical CT
    螺旋CT平扫诊断急性输尿管结石的价值
短句来源
    Multislice spiral CT in the detection of urinary calculi
    多层螺旋CT对显示泌尿系微小结石的实验研究
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  calculi
A further generalization to the setting when there is no group action present is also discussed, and the various settings in which similar operator calculi appear are briefly surveyed.
      
This accomplishes the first of a possible, two-step process in solving the problem raised (LNCS, 1991, 530: 16-33; Domains and lambda-calculi, Cambridge Univ.
      
The notion of meta-variable plays a fundamental role when we define formal systems such as logical and computational calculi.
      
The influence of amino acids on the formation of particles of synthetic analogs of hydroxyapatites of renal calculi with different degrees of nonstoichiometry is investigated.
      
The results obtained allow the assumption that, under the normal physiological conditions, free amino acids are natural inhibitors for the formation of renal calculi in the human organism.
      
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A total of 100 IVP films was digitized on a laser scanner, included calculi (29 cases), tumor (42 cases), cyst (5 cases), tuberculosis (2 cases), congenital anormalies (5 cases), benign prostatic hyperplasia (9 cases) and other diseases (8 cases). The diagnostic accuracies were 88 % for digital images and 91 % for original IVP films, there was no statistical difference (P>0.05). The reliabilities in the dignosis were 4.6 and 4.77 (P<0.01) while the image qualifies were 4.6 and 4.77 (P<0.01) respectively....

A total of 100 IVP films was digitized on a laser scanner, included calculi (29 cases), tumor (42 cases), cyst (5 cases), tuberculosis (2 cases), congenital anormalies (5 cases), benign prostatic hyperplasia (9 cases) and other diseases (8 cases). The diagnostic accuracies were 88 % for digital images and 91 % for original IVP films, there was no statistical difference (P>0.05). The reliabilities in the dignosis were 4.6 and 4.77 (P<0.01) while the image qualifies were 4.6 and 4.77 (P<0.01) respectively. The dignostic difficulties were 1.74 and 1.54 (P<0. 01) foreach, They all had evidently statistical differences. The authors think there were no evident differences in the diagnostic accuracy of urinary disease between digital image and original IVP film.

将IVP胶片通过扫描仪转换为数字化图像,对100例泌尿系统疾病的诊断数字化图像与原始IVP的比较,其中结石29例、肿瘤42例、囊肿5例、结核2例、先天性畸形5例、前列腺增生9例、其它8例。诊断正确率为88%和91%,差别无统计学意义(P>0.05)。诊断可信度为4.6分和4.77分(P<0.01),图像质量为4.6分和4.77分(P<0.01),差别均有明显的统计学意义。作者认为数字化图像与原始IVP胶片对泌尿系统疾病诊断正确率无明显差别。

Objective:To evaluate the accuracy of three dimensional helical CT cholangiography in the diagnosis of biliary disease.Methods:After infusion of Biliscopin,42 patients with suspected biliary disease underwent single breath hold upper abdominal helical CT acquisition.With prototype software,three dimensional CT cholangiography was reconstructed.They then underwent Endoscopic Retrograde Cholangiography examinations within two days.The results of helical CT cholangiography were compared with that at Endoscopic...

Objective:To evaluate the accuracy of three dimensional helical CT cholangiography in the diagnosis of biliary disease.Methods:After infusion of Biliscopin,42 patients with suspected biliary disease underwent single breath hold upper abdominal helical CT acquisition.With prototype software,three dimensional CT cholangiography was reconstructed.They then underwent Endoscopic Retrograde Cholangiography examinations within two days.The results of helical CT cholangiography were compared with that at Endoscopic Retrograde cholangiography.Results:Helical CT cholangiography correctly diagnosis normal,normal variant of the biliary tree and biliary obstruction in all the patients.But the number of the biliary calculi was underestimated at CT choloangiography in two patients.In the patient with gallbladder carcinoma,the diagnosis was not obtained at only three dimensional CT cholangiography,but the carcinoma could be demonstrated clearly on source image.The lesions could be visualized at the VE in a more realistic fashion.Conclusion:Helical CT Cholangiography could be a noninvasive accurate procedure in the diagnosis of biliary disease.

目的:评价三维螺旋CT胆道造影的诊断价值。方法:在静脉输入胆道造影剂Biliscopin后,42个病人进行了上腹部螺旋CT扫描,利用三维重建技术对胆道系统正常、正常变异及部分病变进行分析研究,并将其结果与两天之内进行的ERCP进行比较。结果:三维螺旋CT胆道造影准确地诊断胆道系统所有的正常、正常变异及所有的胆道梗阻、胆道结石,但在胆道结石的定量诊断方面有2(2/6)个病人的结石数量被低估;一个病人三维螺旋CT胆道造影仅诊断出胆总管结石而未能诊断出胆囊癌,但轴位图象可以清楚地显示出胆囊癌。模拟内窥镜方式可以更加直观地显示病变。结论:三维螺旋CT胆道造影可以作为一种准确而无创性的胆道系统检查方法。

Objective To assess the clinical application and limitation of True FISP sequences in the diagnosis of biliary and pancreatic tract diseases.Materials and Methods Breath hold True FISP and HASTE MRCP were performed in 98 patients with suspected pancreaticobiliary disease and 12 normal volunteers. Imaging findings on True FISP and HASTE MRCP were correlated with direct cholangiographic, surgical and/or pathologic findings (72 patients). All images were interpreted by two radiologists on a blinded basis.Results...

Objective To assess the clinical application and limitation of True FISP sequences in the diagnosis of biliary and pancreatic tract diseases.Materials and Methods Breath hold True FISP and HASTE MRCP were performed in 98 patients with suspected pancreaticobiliary disease and 12 normal volunteers. Imaging findings on True FISP and HASTE MRCP were correlated with direct cholangiographic, surgical and/or pathologic findings (72 patients). All images were interpreted by two radiologists on a blinded basis.Results Images of diagnostic quality were obtained in all 110 cases with True FISP (100%). All sequences showed 100% sensitivities in recognizing the dilated tracts. In 72 proved patients, the sensitivity (and specificity) for lesion location by True FISP, MRCP and MRCP MIP was 94.4%, 83.3% and 86.1%, respectively; for calculi recognition (n=30) was 73.3% (88.1%), 93.3% (92.9%) and 66.7% (81.0%), respectively; for tumor diagnosis (n=42) was 85.7% (90.0%), 61.9% (83.3%) and 57.1% (76.7%), respectively. When combined with all imaging sequences, the sensitivity (and specificity) for tumor and calculi definition was 90.5% (93.3%) and 96.7% (95.2%), respectively.Conclusion With its good delineating ability, HASTE MRCP can accurately evaluate pancreaticobiliary diseases. The True FISP sequence is good at revealing the pancreaticobiliary tract wall lesions as well as the tumor invasion. More accurate diagnosis will be obtained if these two imaging techniques are applied together.

目的 评价TrueFISP序列在胰胆管疾病中的应用价值与限度。材料与方法 对 98例怀疑胰胆管疾病的患者和 12例正常志愿者做TrueFISP与HASTE MRCP扫描。结果 TrueFISP像、MRCP断层像和MRCPMIP像显示胰胆管扩张的准确性均达到了10 0 % ;对病变定位的准确率分别为 94.4%、83 .3 %和 86.1% ;对胆管结石定性的准确率 (特异性 )分别为 73 .3 % ( 88.1% )、93 .3 %( 92 .9% )和 66.7% ( 81.0 % ) ;对肿瘤的定性准确率 (特异性 )分别为 85 .7% ( 90 .0 % )、61.9% ( 83 .3 % )和 5 7.1% ( 76.7% )。结合所有的序列对结石诊断的准确率 (特异性 )为 96.7% ( 95 .2 % ) ,对肿瘤定性诊断的准确率 (特异性 )为 90 .5 % ( 93 .3 % )。结论 TrueFISP序列对胰胆管疾病的管壁和管周病变的显示良好。HASTE MRCP有利于胰胆管的整体显示 ,结合两者可对胰胆管疾病作出更准确的评价并有利于治疗方式的选择。

 
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