Clinical Study

Hepatocellular Adenoma: Evaluation with Contrast-Enhanced Ultrasound and MRI and Correlation with Pathologic and Phenotypic Classification in 26 Lesions

Figure 3

Steatotic HCA. (a) The 2.2 cm lesion, hyperechoic in B mode, has a very slight arterial enhancement, (b) which becomes isoechoic in the delayed phase after microbubble contrast agent injection. (c) The lesion (black arrow) appears isointense on T1W images with (d) an important drop-out signal on the chemical shift sequence, and (e) is hypointense on T2W images with (f) a slight arterial enhancement and (g) an apparent wash out in delayed phases. (h) Macroscopic picture shows a well limited tan-colour lesion. (i, j) Pathologic examination shows important proliferation of hepatocytes with extensive macro- and microvesicular steatosis.
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