Abstract #3583
The role of gadoxetic acid-enhanced MR imaging in characterizing atypical hepatocellular carcinoma in dynamic CT studies
Chen-Te Chou 1,2 and Ran-Chou Chen 3
1
Radiology, Chang-Hua Christain Hospital,
Chang-Hua, Taiwan, Taiwan,
2
Biomedical
Imaging and Radiological Science, National Yang-Ming
Medical University, Taipei, Taiwan, Taiwan,
3
Biomedical
Imaging and Radiological Science, National Yang-Ming
Medical University, Taiwan, Taiwan
Diagnosis of HCC can be made by tumor showing typical
features of HCC (hypervascularity in the arterial phase
and washout in the venous/delayed phase) on dynamic
study in stead of pathology. However, some HCCs may
present atypical features in dynamic studies. These
atypical HCCs are diagnostically challenging in our
daily practice. Our study was to evaluate the efficacy
of gadoxetic acid-enhanced hepatocyte-phase imaging in
characterizing HCCs with atypical enhancing pattern in
CT dynamic studies. In our results, gadoxetic
acid-enhanced hepatocyte-phase imaging provided higher
diagnostic performance than other MR characteristics in
characterization of the atypical nodules among high HCC
risk patients.
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