Table 5 Shear wave elastography median (min-max) stiffness values (kPa) of different categories of benign and malignant hepatic focal lesions, and the surrounding liver parenchyma

All lesions

75

18.37 (0.0–37.51)

6.47 (4.38–18.20)

< 0.001*

Malignant lesions

52

20.22 (14.04–37.51)

7.86 (4.48–18.20)

2.69 (0.83–5.50)

< 0.001*

Hepatocellular carcinoma

21 (28%)

17.6 (15.3–20.5)

13.2 (9.6–18.20)

1.37 (0.83–1.93)

< 0.001*

Metastasis

21 (28%)

25.5 (21.9–28.9)

5.7 (4.5–13.6)

4.2 (2.1–5.5)

< 0.001*

Lymphoma

6 (8%)

14.5 (14.04–14.7)

5.8(4.8–9.2)

2.5 (1.5–2.9)

0.004*

Cholangiocarcinoma

4 (5.3 %)

35.9 (35.3–37.5)

7.9 (7.3–12.6)

4.6 (2.8–4.98)

0.021*

Benign lesions

23

10.68 (0.0–27.76)

5.97 (4.38–7.08)

2.69 (0.83–5.50)

< 0.001*

Hemangioma

6 (8 %)

10.5 (9.04–11.02)

5.84 (4.8–7.08)

1.66 (1.6–2.39)

0.004*

Focal nodular hyperplasia

5 (6.7%)

26.7 (25.1–27.8)

6.64 (5.50–6.74)

4.18 (3.9–4.82)

0.009*

Simple cyst

2 (2.7%)

0.00 (0.0–0.0)

6.08 (5.3–6.86)

0.00 (0.0–0.0)

0.102

Hydatid cyst

3 (4%)

8.79 (8.1–13.76)

5.77 (5.41–6.86)

1.41 (1.2–2.54)

0.05*

Fatty infiltration

4 (5.3%)

10.3 (8.23–11.32)

5.57 (4.4–6.20)

1.81 (1.7–2.08)

0.021*

Abscess

3 (4%)

12.67 (12.6–12.8)

5.97 (5.83–6.43)

2.12 (1.9–2.21)

0.05*