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ECR 2019 / C-0267
Assessment of post radiofrequency ablation of HCC with addition of MRI subtraction
Congress: ECR 2019
Poster No.: C-0267
Type: Educational Exhibit
Keywords: Neoplasia, Diagnostic procedure, MR, Abdomen
Authors: M. M. A. Rezk1, H. Nafady1, G. Abdelrazek1, M. T. El-Diasty2, A. Nazeer1, W. Mohammed1, A. Sabry3; 1Cairo/EG, 2Jeddah/SA, 3Doha/QA

Findings and procedure details

·         Cases should be subjected to full clinical assessment, laboratory investigations with the revision of their previous radiological investigations.

·         Suggested protocol that could be used: Axial T1, T2, T2 SPAIR sequences and dynamic imaging using 3D fat-suppressed T1-weighted gradient echo sequence. The dynamic study is performed after contrast injection consisting of one pre-contrast series followed by at least four successive post-contrast series.

·         Subtraction imaging is performed by subtracting the pre-contrast series from the late arterial phase or any phase of choice.

·         Images procession could be performed in the workstation.

·         Suggested interpretation could be started with reading the conventional dynamic MRI and blinded to the subtraction.

·         Then consecutive reading of both dynamic and subtraction MRI images.


·         The patients could be categorized into two groups: resolved (well ablated) & unresolved residual) groups. 

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