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Which is the Best Imaging Method in Pancreatic Adenocarcinoma Diagnosis and Staging

机译:胰腺癌诊断和分期的最佳影像学方法

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Introduction. Imaging has a decisive role in the diagnosis and staging of pancreatic cancer, the most used imaging methods being computed tomography, magnetic resonance imaging and endoscopic ultrasonography. Material and method. They were studied retrospectively over a 3 years period, 140 patients with pancreatic cancer. Aim of the study: This study aims to determine the effectiveness of CT, MRI and EUS in diagnosis and staging of panceatic cancer. Results. CT showed a diagnostic accuracy of 83.3%, with sensitivity and specificity of 81.4% and 43% respectively. MRI showed superior diagnostic accuracy compared to CT (89,1%). However, EUS demonstrated the best diagnostic value in PC (accuracy of 92,7%). Concerning the locoregional staging, the 3 diagnostic methods showed similar result. There were no significant differences concerning the diagnosis of intra-abdominal metastases. Differences have appeared in the case of extra-abdominal. Thus, there were 4 cases of lung metastases which have been identified only on CT and MRI. Conclusion. EUS is the most effective technique used in the diagnosis of pancreatic cancer, the present study demonstrating an accuracy of 92.7%. Moreover, EUS offers the possibility to collect samples for cytological examination by EUS guided fine needle aspiration. However, there are some limitations of EUS in identifying extra-abdominal metastases. Thus, the assessment of tumor extension must be completing by performing CT or MRI.
机译:介绍。成像在胰腺癌的诊断和分期中起着决定性的作用,最常用的成像方法是计算机断层扫描,磁共振成像和内窥镜超声检查。材料和方法。他们在3年的时间里对140例胰腺癌患者进行了回顾性研究。该研究的目的:本研究旨在确定CT,MRI和EUS在诊断和分期为肺癌之前的有效性。结果。 CT显示诊断准确性为83.3%,敏感性和特异性分别为81.4%和43%。 MRI显示出比CT高的诊断准确性(89.1%)。但是,EUS在PC中显示出最佳的诊断价值(准确度为92.7%)。关于局部分期,这三种诊断方法显示出相似的结果。关于腹腔内转移的诊断没有显着差异。腹部以外的情况已出现差异。因此,仅在CT和MRI上发现了4例肺转移病例。结论。 EUS是诊断胰腺癌最有效的技术,本研究表明其准确性为92.7%。此外,EUS提供了通过EUS引导的细针抽吸收集样本进行细胞学检查的可能性。但是,EUS在识别腹外转移方面存在一些局限性。因此,必须通过执行CT或MRI完成对肿瘤扩展的评估。

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