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- W2347291165 abstract "Objective: To investigate the atypical imaging features of pancreatic neuroendocrine neoplasms(P-NENs),so as to improve its diagnostic accuracy.Methods: The CT and(or) MRI manifestations of 4 patients with P-NENs confirmed by pathology were analyzed retrospectively.Results: On CT plain imaging,the tumors showed isodensity in 1 case,mild density in 3 cases,and calcification could find in 1 case.On the post-contrast imagings,all the 4 cases showed slight or moderate enhancement(isodensity or slightly density as compared with normal pancrease).Among the 4 cases,partial capsule could find in 1 case after contrast medium injection.Three of the 4 patients underwent MRI examination.Two cases with homogenous hypointensity on T1WI and mild homogenous hypointensity on T2WI.Another case showed heterogeneous hypointensity on T1WI,and hypo-to hyper-intensity on T2WI.On DWI images,all the tumors showed marked hyperintensity as compared with normal pancrease,and the calcification part within the mass showed hypointensity.After Gd-DTPA injection,three masses showed mild to moderate enhancement,in which 1 case was heterogenous.Two cases showed partial capsule(ring shape enhanced).Conclusion: P-NENs are characterized by marked enhancement with capsule marked ring-like enhancement during contrast scanning.But,it suggested that the multiple and atypical imaging features of P-NENs should be known well to improve the diagnostic accuracy." @default.
- W2347291165 created "2016-06-24" @default.
- W2347291165 creator A5042056113 @default.
- W2347291165 date "2013-01-01" @default.
- W2347291165 modified "2023-09-24" @default.
- W2347291165 title "Atypical CT,MRI Findings of the Pancreatic Neuroendocrine Neoplasms" @default.
- W2347291165 hasPublicationYear "2013" @default.
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