欧洲尝试在不必为信贷违约掉期合同埋单的情况下削减希腊主权债务，这更加剧了下行螺旋。
This downward spiral may have been exacerbated by Europe's efforts to cut the value of Greek sovereign debt without triggering a payout on credit-default-swap contracts.
结论螺旋CT双期扫描对原发性肝癌的诊断和鉴别诊断具有重要价值。
Conclusion Dual - phase spiral - CT have important value for the diagnosis and the differential diagnosis of the primary liver cancer.
前言：目的：分析肝转移瘤三期螺旋CT扫描的影像表现，并评价其诊断价值。
Objective: To evaluate the manifestations of liver metastasis by spiral ct with three-phase scanning.
材料和方法：回顾性分析经手术、病理证实的11例小肠间质瘤的多层螺旋CT平扫和双期增强扫描及3D-CTA表现。
Materials and Methods:Both plain, dual-phase contrast enhanced MSCT and 3D-MSCTA were performed for 11 cases with pathologically proved stromal tumors in small intestine.
结论：螺旋CT双期扫描对门静脉海绵样变性有一定诊断价值，可为临床治疗提供重要信息。
Conclusion:Spiral CT dual phases scanning may have some value in the diagnosis of portal cavemoma and supply important information for clinic treatment.
目的：探讨弹性包绕式垫加螺旋扩弓器矫治替牙期后牙反的适用性及治疗前后的牙颌结构变化。
Objective:To evaluate the maxillary expansion effects of posterior crossbite patients treated with elastic wrapping bite guard and screw expansion mechanic in the mixed dentition.
目的：探讨螺旋CT肝双期扫描对原发性肝癌门静脉、肝静脉及下腔静脉癌栓的诊断价值。
Objective: to discuss the value of spiral ct dual phase scanning for diagnosis of tumor thrombosis of venous system of hepatocellular carcinoma.
目的观察多层螺旋CT双期增强扫描对小胰腺癌的诊断。
Objective To study the diagnosis of small pancreatic cancer by dual-phase contrast enhanced multislices spiral CT.
目的探讨小肝癌(SHCC)在螺旋ct三期增强扫描中的不典型表现及其病理学基础。
Objective to investigate the atypical appearances of small hepatocellular carcinoma (SHCC) with triple-phase spiral ct enhanced scan, and its correlation with the histopathology.
结论螺旋CT肝双期扫描是诊断与评价老年人原发性肝癌的有效方法。
Conclusions Hepatic helical dual phase ct scanning is an effective method in diagnosing and evaluating the elderly primary liver cancer.
目的探讨螺旋ct双期增强扫描对门静脉癌栓的诊断价值。
Objective To evaluate the usefulness of dual-phase enhanced spiral ct in the diagnosis of portal vein cancer embolus.
方法：回顾性分析了7例外生性肝癌螺旋CT肝双期扫描的CT表现。
Methods: The hepatic dual phase helical ct scanning of 7 cases of pedunculated hepatocellular carcinoma were reviewed retrospectively.
目的探讨螺旋ct双期扫描对肝脏占位性病变的诊断价值。
Objective To evaluate dual phase helical ct in the diagnosis of hepatic lesions.
目的评价螺旋ct双期动态扫描在肝脏占位性病变中的诊断价值及其限度。
AIM To evaluate the diagnostic value and the limitation of spiral CT dual phase dynamic scanning in the diagnosis of hepatic neoplasms.
结论螺旋CT动态三期扫描可以反映fnh的血供和病理特点，在诊断和鉴别诊断中起重要作用。
Conclusion helical ct dynamic three phases scanning can reflect the blood supplying and pathologic features of FNH, and, therefore, it is of great value in diagnosing and differentiating FNH.
方法对98例肝内占位性病变的病人进行螺旋CT双期增强扫描。
Methods Dual phase scanning of the liver in 98 patients with lesions was carried out with a helical CT scanner.
目的探讨多层螺旋CT胰腺双期血管成像的可行性及其临床应用。
Objective To evaluate the feasibility and clinical application of dual phases angiography of pancreas with multi slice helical ct.
目的：探讨原发性肝癌(PHCC)边缘螺旋CT肝双期扫描表现特点。
Purpose: to discuss the CT feature of the tumor border of primary hepatocellular Carcinoma (PHCC) on helical dual phases CT.
目的探讨螺旋ct双期扫描在急性胰腺炎诊断中的价值。
Objective To evaluate the diagnostic value of spiral ct dual-phase scan on acute pancreatitis.
目的研究肝小血管瘤(SHHE)在螺旋CT多期(动脉期、门脉期和延迟期)增强扫描中的表现，提高诊断水平。
Objective To investigate the features of the enhancement of small hepatic hemangioma (SHHE) at multiphase spiral ct scanning and improve the diagnosis.
目的评价螺旋ct双期增强扫描在胰腺癌诊断中的应用价值。
Objective To evaluation the application value of two-phase enhanced spiral ct in pancreatic adenocarcinoma.
目的探讨肝细胞癌(HCC)在螺旋CT三期扫描中的不典型表现，并分析其产生原因。
Objective to analyze the cause of atypical manifestation of hepatocellular carcinoma (HCC) in triple-phase spiral ct enhanced scan.
目的探讨64排螺旋CT脑容积灌注成像在超急性期脑梗死的应用价值。
Objective to evaluate the application of 64-multidetector spiral ct cerebral perfusion imaging in patients with hyperacute infarct.
所有患者均行16层螺旋CT平扫及增强三期扫描。
All patients underwent 16-slice spiral CT plain scan and three phases enhancement scan.
方法：回顾性分析6 3例患者36 5个肝转移瘤病灶的三期螺旋CT扫描图像。
Methods:The three-phase scanning of spiral CT was performed in 63 patients with 365 lesions of liver metastasis.
结论螺旋ct三期增强扫描对肝腺瘤的诊断与鉴别诊断有重要价值，尤其是动脉期扫描。
Conclusion Triphasic contrast enhanced spiral ct scan, especially the arterial phase scan, is valuable in detecting and differentiating hepatocellular adenoma.
结论螺旋CT双期增强扫描是诊断门静脉癌栓的有效方法，可以完整地提供门静脉癌栓的全部资料。
Conclusion Dual - phase enhanced spiral ct scan is an effective tool for the diagnosis of TTPV and can also provide comprehensive information in primary hepatic carcinoma with TTPV.
目的探讨多层螺旋CT（MSCT）胰腺三期增强扫描的临床价值。
Objective To discuss the clinical application of multislice spiral CT (MSCT) triple-phase enhanced scanning of pancreas.
材料与方法对97例患者行肝区多层螺旋ct三期血管成像扫描。
Materials and Methods: 97 cases were performed tri-phase enhanced MSCT of whole hepatic region.
材料与方法对97例患者行肝区多层螺旋ct三期血管成像扫描。
Materials and Methods: 97 cases were performed tri-phase enhanced MSCT of whole hepatic region.
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