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- W2357754302 abstract "Objective To analyze the CT and MRI features of hepatic epithelioid hemangioendothelioma(EHE),and improve the understanding of imaging findings and diagnostic level.Methods Seven cases with hepatic EHE confirmed by pathology were studied retrospectively.All cases underwent plain and dynamic contrast-enhanced multi-slice CT examination.Four cases underwent additional MRI including plain T1-weighted imaging(T1WI),T2-weighted imaging(T2WI) and dynamic contrast-enhanced scanning and three cases underwent selective hepatic arteriography.Results A total of 162 lesions and diameter ranging from 3.0 mm to 150 mm were found in various segments of livers.75 out of the 162 lesions grew adjacent to the hepatic capsule.162 hypodense nodules in 7cases were shown on unenhanced plain CT,and 47 of them were confluent.Calcification was found in 1 case.Capsular retraction sign was found in 6 cases.64 lesions demonstrated halo sign on post-contrast CT,and this sign was more clearly demonstrated on the portal venous phase.In 4 cases underwent MRI,66 lesions were found with low signal intensity on T1WI,intermediate to high signal intensity on T2WI.Thecapsular retractionsign was found in all 4 cases.43 lesions showed halo sign on post-contrast MRI.Selective hepatic arteriography showed patchy stain in the peripheral area of liver parenchyma with small vessels around them in three cases.Conclusion Hepatic EHE may manifest as diffuse nodular lesions with predilection of peripheral subcapsular growth,nodular confluence,together with halo sign and capsular retraction sign.MRI is better than CT in depict ion of halo sign." @default.
- W2357754302 created "2016-06-24" @default.
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- W2357754302 date "2013-01-01" @default.
- W2357754302 modified "2023-09-25" @default.
- W2357754302 title "CT and MRI appearances of hepatic epithelioid hemangioendothelioma" @default.
- W2357754302 hasPublicationYear "2013" @default.
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