Clinical Study

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

Table 3

Radiological (CEUS and MRI) features considering HCA subtype.

Inflammatory HCA (typical on imaging) Inflammatory HCA (less typical on imaging) Steatotic HCA Atypical HCA values*

CEUSB modeHypoE3 (43%)5 (56%)01 (25%)
IsoE2 (29%)1 (11%)1 (17%)1 (25%)0,2958
HyperE2 (29%)3 (33%)5 (83%) (1 heterogeneous)2 (50%)
Arterial enhancementNone001 (17%)0
Slight03 (33%)2 (33%)2 (50%) 0,1514
Moderate3 (43%)3 (33%)3 (50%)0
Intense4 (57%)3 (33%)02 (50%)
Delayed enhancementPersistent6 (86%)002 (50%)
IsoE1 (14%)6 (67%)3 (50%)1 (25%)0,0019
HypoE03 (33%)3 (50%)1 (25%)
Homogeneousness enhancementHomogeneous7 (100%)5 (56%)5 (83%)2 (50%) 0,0517
Heterogeneous04 (44%)1 had no enhancement2 (50%)
Filling directionCentripetal6 (86%)7 (78%)1 (17%)2 (50%)0,1012
Indifferent1 (14%)2 (22%)4 (67%)1 had no enhancement2 (50%)0,0273**

MRIT1HypoS1 (14%)3 (33%)3 (50%)1 (25%)
IsoS4 (57%)2 (22%)3 (50%)3 (75%)0,2253
HyperS2 (29%)4 (33%)00
IN/OUTNo drop out7 (100%)6 (67%)02 (50%) 1,79E−04
Drop out03 (44%)6 (100%) included 1 heterogeneous2 (50%) included 1 heterogeneous
T2HypoS7 (100%)3 (33%)3 (50%)1 (25%)
IsoS01 (11%)1 (17%)2 (50%) 0,1012
HyperS05 (56%)2 (33%)1 (25%)
Arterial enhancementNone001 (17%)1 (25%)
Slight02 (22%)3 (50%)0 0,0026
Moderate02 (22%)2 (33%)2 (50%)
Intense7 (100%)5 (56%)01 (25%)
Delayed phasePersistent6 (86%)3 (33%)02 (50%)
IsoS1 (14%)1 (11%)000,005
HypoS05 (56%)6 (100%)2 (50%)

*Test made with 4 categories of HCAs (inflammatory typical on imaging, inflamm less typical on imaging, steatotic and atypic),
**Test made with 3 categories of HCAs (inflammatory, steatotic and atypic).