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Bifid pancreatic tail as cause of acute pancreatitis

Hepatobiliary & Pancreatic Diseases International 2018年第5期17卷 480-481页

作者： Hanna Rafaela Ferreira Dalla Pria Rafael Andrade Santiago fernanda garozzo velloni Giuseppe D’ippolito Department of Imaging Universidade Federal de Sao PauloSao PauloBrazil Diagnos ticos da Ametica S.A.DASA. Sao PauloBrazil Grupo Fleury Sao PauloBrazil

To the Editor:Wepresentacaseofa22-year-oldwomanwithrecurrent episodes of acute pancreatitis. The patient had no known risk factors such as history of alcoholism, smoking, pre-existing medical conditions, family member... 详细信息

关键词： pre-existing medicall dilatation or cholelithiasis

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Focal liver lesions:Practical magnetic resonance imaging approach

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World Journal of Hepatology 2015年第16期7卷 1987-2008页

作者： António P Matos fernanda velloni Miguel Ramalho Mamdoh AlObaidy Aruna Rajapaksha Richard C Semelka Department of Radiology University of North Carolina Chape Hill Department of Radiology Hospital Garcia de Orta Department of Radiology King Faisa Specialist Hospital and Research Center

With the widespread of cross-sectional imaging, a growth of incidentally detected focal liver lesions(FLL) has been observed. A reliable detection and characterization of FLL is critical for optimal patient management. Maximizing accuracy of imaging in the context of FLL is paramount in avoiding unnecessary biopsies, which may result in post-procedural complications. A tremendous development of new imaging techniques has taken place during these last years. Nowadays, Magnetic resonance imaging(MRI) plays a key role in management of liver lesions, using a radiation-free technique and a safe contrast agent profile. MRI plays a key role in the non-invasive correct characterization of FLL. MRI is capable of providing comprehensive and highly accurate diagnostic information, with the additional advantage of lack of harmful ionizing radiation. These properties make MRI the mainstay for the noninvasive evaluation of focal liver lesions. In this paper we review the state-of-the-art MRI liver protocol, briefly discussing different sequence types, the unique characteristics of imaging non-cooperative patients and discuss the role of hepatocyte-specific contrast agents. A review of the imaging features of the most common benign and malignant FLL is presented, supplemented by a schematic representation of a simplistic practical approach on MRI.

关键词： Malignant Benign Magnetic resonanceimaging Focal liver lesions Hepatobiliary contrastagents

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Magnetic resonance imaging of the cirrhotic liver: An update

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World Journal of Hepatology 2015年第3期7卷 468-487页

作者： Agnes Watanabe Miguel Ramalho Mamdoh Al Obaidy Hye Jin Kim fernanda G velloni Richard C Semelka Department of Radiology University of North Carolina at Chapel HillChapel Hill

Noninvasive imaging has become the standard for hepatocellular carcinoma(HCC) diagnosis in cirrhotic livers. In this review paper, we go over the basics of MR imaging in cirrhotic livers and describe the imaging appearance of a spectrum of hepatic nodules marking the progression from regenerative nodules to low- and high-grade dysplastic nodules, and ultimately to HCCs. We detail and illustrate the typical imaging appearancesof different types of HCC including focal, multifocal, massive, diffuse/infiltrative, and intra-hepatic metastases; with emphasis on the diagnostic value of MR in imaging these lesions. We also shed some light on liver imaging reporting and data system, and the role of different magnetic resonance imaging(MRI) contrast agents and future MRI techniques including the use of advanced MR pulse sequences and utilization of hepatocyte-specific MRI contrast agents, and how they might contribute to improving the diagnostic performance of MRI in early stage HCC diagnosis.

关键词： Magnetic resonance imaging Hepatocellularcarcinoma Hepatic nodules Liver imaging reportingand data system Dysplastic nodules Regenerativenodules

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