Hepatic neuroendocrine tumors: gadoxetic acid-enhanced magnetic resonance imaging findings with an emphasis on differentiation between primary and secondary tumors

Hepatic neuroendocrine tumors: gadoxetic acid-enhanced magnetic resonance imaging findings with... specificity of 82%, and an accuracy of 88%, with a value Purpose: To describe the findings of magnetic resonance of the area under the ROC curve of 0.931. (MR) imaging of hepatic neuroendocrine tumors Conclusion: Using these specific MR imaging criteria, (hNET) and to identify the features that differentiate secondary hNETs could be differentiated from primary secondary from primary tumors. hNETs with a high degree of accuracy in patients with Methods: This retrospective study was approved by the histopathologically proven hNETs. institutional review board, and the requirement for informed consent was waived. Between August 2008 Key words: Liver—Neuroendocrine tumor—Magnetic and December 2014, 50 patients with pathologically resonance imaging—Diagnosis—Imaging criteria proven hNETs who underwent gadoxetic acid-enhanced MR imaging with diffusion-weighted images were included. The patients were divided into two groups Abbreviations according to whether they had primary (n = 17) or NET Neuroendocrine tumor secondary (n = 33) hNETs. Qualitative values based on WHO World Health Organization a consensus between two observers [morphologic find- CT Computed tomography ings, signal intensity, and enhancement pattern (poor or MR Magnetic resonance indeterminate; hepatocellular carcinoma-like or cholan- PET Positron-emission tomography giocarcinoma-like)], and quantitative values (apparent DWI Diffusion-weighted image diffusion coefficient) were evaluated as predictors http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Abdominal Radiology Springer Journals

Hepatic neuroendocrine tumors: gadoxetic acid-enhanced magnetic resonance imaging findings with an emphasis on differentiation between primary and secondary tumors

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Publisher
Springer US
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Medicine & Public Health; Imaging / Radiology; Gastroenterology; Hepatology
ISSN
2366-004X
eISSN
2366-0058
D.O.I.
10.1007/s00261-018-1653-6
Publisher site
See Article on Publisher Site

Abstract

specificity of 82%, and an accuracy of 88%, with a value Purpose: To describe the findings of magnetic resonance of the area under the ROC curve of 0.931. (MR) imaging of hepatic neuroendocrine tumors Conclusion: Using these specific MR imaging criteria, (hNET) and to identify the features that differentiate secondary hNETs could be differentiated from primary secondary from primary tumors. hNETs with a high degree of accuracy in patients with Methods: This retrospective study was approved by the histopathologically proven hNETs. institutional review board, and the requirement for informed consent was waived. Between August 2008 Key words: Liver—Neuroendocrine tumor—Magnetic and December 2014, 50 patients with pathologically resonance imaging—Diagnosis—Imaging criteria proven hNETs who underwent gadoxetic acid-enhanced MR imaging with diffusion-weighted images were included. The patients were divided into two groups Abbreviations according to whether they had primary (n = 17) or NET Neuroendocrine tumor secondary (n = 33) hNETs. Qualitative values based on WHO World Health Organization a consensus between two observers [morphologic find- CT Computed tomography ings, signal intensity, and enhancement pattern (poor or MR Magnetic resonance indeterminate; hepatocellular carcinoma-like or cholan- PET Positron-emission tomography giocarcinoma-like)], and quantitative values (apparent DWI Diffusion-weighted image diffusion coefficient) were evaluated as predictors

Journal

Abdominal RadiologySpringer Journals

Published: Jun 1, 2018

References

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