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Value of three-dimensional reconstructions in pancreatic carcinoma using multidetector CT:Initial results

查看全文 作　　者：Miriam [1]Klauβ;Max Sch[2]binger;Ivo [2]Wolf;Jens [3]Werner;Hans-Peter [2]Meinzer;Hans-Ulrich [1]Kauczor;Lars [1]Grenacher 高影响力作者 机构地区：[1]Department of Diagnostic and Interventional Radiology,University of Heidelberg;[2]Department of Medical and Biological Informatics,German Cancer Research Center(DKFZ);[3]Surgical Clinic,University of Heidelberg高影响力机构 出　　处：《World Journal of Gastroenterology》索引2009年第15卷第46期,共6页高影响力期刊 摘　　要：AIM:To evaluate the use of three-dimensional imaging of pancreatic carcinoma using multidetector computed tomography(CT)in a prospective study.METHODS:Ten patients with suspected pancreatic tumors were examined prospectively using multidetec-tor CT(Somatom Sensation 16,Siemens,Erlangen,Germany).The images were evaluated for the pres-ence of a pancreatic carcinoma and invasion of the peripancreatic vessels and surrounding organs.Using the isotropic CT data sets,a three-dimensional image was created with automatic vascular analysis and semi-automatic segmentation of the organs and pancreatic tumor by a radiologist.The CT examinations and the three-dimensional images were presented to the sur-geon directly before and during the patient's operation using the Medical Imaging Interaction Toolkit-based software 'ReLiver'.Immediately after surgery,the value of the two images was judged by the surgeon.The operation and the histological results served as the gold standard.RESULTS:Nine patients had a pancreatic carcinoma(all pT3),and one patient had a serous cystadenoma.One tumor inf iltrated the superior mesenteric vein.The inf iltration was correctly evaluated.All carcinomas were resectable.In comparison to the CT image with axial and coronal reconstructions,the three-dimensional image was judged by the surgeons as better for operation planning and consistently described as useful.CONCLUSION:A 3D-image of the pancreas repre-sents an invaluable aid to the surgeon.However,the 3D-software must be further developed in order to be integrated into daily clinical routine. 关 键 词：三维重建 癌组织 CT 胰腺 价值
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