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. Author manuscript; available in PMC: 2020 May 22.
Published in final edited form as: Eur Radiol. 2019 May 15;29(7):3348–3357. doi: 10.1007/s00330-019-06214-8

Table 4.

Features ranked by mean relevance score for the features for test lesions in each class. Percentages do not sum to 100% because some lesions only have a subset of the features listed above

Lesion class Feature 1 Feature 2 Feature 3 Feature 4
Benign cyst Thin-walled mass (67.1%) Hypoenhancing mass (46.6%) N/A N/A
Cavernous hemangioma Progressive centripetal filling (48.6%) Hyperenhancing mass on delayed phase (34.0%) Nodular/discontinuous peripheral hyperenhancement (21.6%) N/A
Focal nodular hyperplasia Isointense on venous/delayed phase (79.4%) Arterial phase hyperenhancement (65.8%) Central scar (37.4%) N/A
Hepatocellular carcinoma Capsule/pseudo-capsule (49.5%) Heterogeneous lesion (48.5%) Washout (40.3%) Arterial phase hyperenhancement (38.4%)
Intrahepatic cholangiocarcinoma Progressive hyperenhancement (58.2%) Heterogeneous lesion (47.3%) Infiltrative appearance (43.8%) Nodularity (37.2%)
Colorectal carcinoma metastasis Progressive hyperenhancement (67.2%) Hypoenhancing core (52%) Enhancing rim (46.9%) N/A