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Table 1 Data of nodules

From: FNH-like nodules: Possible precursor lesions in patients with focal nodular hyperplasia (FNH)

Cases Imaging techniques (results) Total number of nodules (imaging + slicing): size / aspect Histological diagnosis
1 a: 2.5 cm nodule (LL), FNH b: 1.5 cm adjacent triangular lesion c: not detected d: not detected a: 2.5 cm, aspect of FNH b: 1.5 cm / yellow c: 5 mm / yellow d: 2 mm / yellow a: FNH (typical) b: steatotic nodule (type 1–2 lesion) c: steatotic nodule (type 2–3 lesion) d: steatotic nodule (type 2–3 lesion)
2 a: 2.5 cm nodule (LL) probable adenoma a: nodule difficult to identify from the surrounding tissue a: partly type 2–3 lesion, partly subtle FNH (type 4 lesion)
3 a: 6 cm nodule (RL), FNH or adenoma b: not detected a: 6 cm, aspect of FNH b: 5 mm whitish nodule a: FNH (typical) b: dilatation of thin wall vessels (type 1 lesion)
4 a: 4 cm nodule (LL), probable adenoma b: not detected a: 4 cm, aspect of FNH b: 1 × 2 cm whitish nodule a: FNH (typical and telangiectatic type) b: type 2, 3, 4 lesions
5 a: 3.5 cm nodule (III and IV), adenoma or HCC b: not detected c: not detected d: not detected a: 3.5 cm, aspect of FNH b: 1.5 cm c: 3 mm yellow d: 2 mm hemorrhagic a: FNH (typical but steatotic) b: FNH (typical but steatotic) c: type 3 lesions d: dilatation of thin wall vessels (type 1 lesion)
6 a: 3 cm nodule (VIII), adenoma or FNH a: 3 cm, aspect of FNH a: typical FNH with type 2–3 lesion at the periphery
7 a: 7 cm nodule (V, VI), FNH b: not detected a: 7 cm, aspect of FNH b: 1.1 × 1.8 cm pale a: FNH (typical) b: steatotic (type 3 lesion)
8 a: 2 cm nodule (V, VI), suspicion of HCC a: 2 cm, aspect of FNH a: subtle FNH (type 4 lesion) with type 2–3 lesion at the periphery
  1. Cases 1 to 7 are women. Letters a, b, c, d identify different nodules for a same case. Roman numbers indicate the segments of the liver. LL: left lobe; RL: right lobe.