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Magnetic resonance imaging of pancreatitis: An update

World Journal of Gastroenterology 2014年第40期20卷 14760-14777页

作者： Sriluxayini Manikkavasakar Mamdoh AlObaidy Kiran K Busireddy Miguel Ramalho Viragi Nilmini Madhavi Alagiyawanna Richard C Semelka Department of Radiology University of North Carolina at Chapel Hill Chapel Hill NC 27599-7510 United States

Magnetic resonance(MR)imaging plays an important role in the diagnosis and staging of acute and chronic pancreatitis and may represent the best imaging technique in the setting of pancreatitis due to its unmatched soft tissue contrast resolution as well as nonionizing nature and higher safety profile of intravascular contrast media,making it particularly valuable in radiosensitive populations such as pregnant patients,and patients with recurrent pancreatitis requiring multiple follow-up *** advantages include the ability to detect early forms of chronic pancreatitis and to better differentiate adenocarcinoma from focal chronic *** review addresses new trends in clinical pancreatic MR imaging emphasizing its role in imaging all types of acute and chronic pancreatitis,pancreatitis complications and other important differential diagnoses that mimic pancreatitis.

关键词： Magnetic resonance imaging Acute pancreatitis Chronic pancreatitis Autoimmune pancreatitis Chronic pancreatitis Revised Atlanta classification motion-resistant imaging

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Pancreatitis-imaging approach

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World Journal of Gastrointestinal Pathophysiology 2014年第3期5卷 252-270页

作者： Kiran K Busireddy Mamdoh AlObaidy Miguel Ramalho Janaka Kalubowila Liu Baodong Ilaria Santagostino Richard C Semelka Department of Radiology University of North Carolina at Chapel Hill

Pancreatitis is defined as the inflammation of the pancreas and considered the most common pancreatic disease in children and adults. imaging plays a significant role in the diagnosis, severity assessment, recognition of complications and guiding therapeutic interventions. In the setting of pancreatitis, wider availability and good image quality make multi-detector contrastenhanced computed tomography(MD-CECT) the most used imaging technique. However, magnetic resonance imaging(MRI) offers diagnostic capabilities similar to those of CT, with additional intrinsic advantages including lack of ionizing radiation and exquisite soft tissue characterization. This article reviews the proposed definitions of revised Atlanta classification for acute pancreatitis, illustrates a wide range of morphologic pancreatic parenchymal and associated peripancreatic changes for different types of acute pancreatitis. It also describes the spectrum of early and late chronic pancreatitis imaging findings and illustrates some of the less common types of chronic pancreatitis, with special emphasis on the role of CT and MRI.

关键词： Computed tomography Magnetic resonance imaging Acute pancreatitis Chronic pancreatitis Autoimmune pancreatitis Chronic pancreatitis Revised Atlanta classification motion-resistant imaging

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