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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

From: Role of shear wave sono-elastography (SWE) in characterization of hepatic focal lesions

VariablesNMedian kPa stiffness value (min-max) ZP value
Focal lesionsLiver parenchymaLesion/parenchymal stiffness ratio median
All lesions7518.37 (0.0–37.51)6.47 (4.38–18.20) < 0.001*
Malignant lesions5220.22 (14.04–37.51)7.86 (4.48–18.20)2.69 (0.83–5.50)< 0.001*
Hepatocellular carcinoma21 (28%)17.6 (15.3–20.5)13.2 (9.6–18.20)1.37 (0.83–1.93)< 0.001*
Metastasis21 (28%)25.5 (21.9–28.9)5.7 (4.5–13.6)4.2 (2.1–5.5)< 0.001*
Lymphoma6 (8%)14.5 (14.04–14.7)5.8(4.8–9.2)2.5 (1.5–2.9)0.004*
Cholangiocarcinoma4 (5.3 %)35.9 (35.3–37.5)7.9 (7.3–12.6)4.6 (2.8–4.98)0.021*
Benign lesions2310.68 (0.0–27.76)5.97 (4.38–7.08)2.69 (0.83–5.50)< 0.001*
Hemangioma6 (8 %)10.5 (9.04–11.02)5.84 (4.8–7.08)1.66 (1.6–2.39)0.004*
Focal nodular hyperplasia5 (6.7%)26.7 (25.1–27.8)6.64 (5.50–6.74)4.18 (3.9–4.82)0.009*
Simple cyst2 (2.7%)0.00 (0.0–0.0)6.08 (5.3–6.86)0.00 (0.0–0.0)0.102
Hydatid cyst3 (4%)8.79 (8.1–13.76)5.77 (5.41–6.86)1.41 (1.2–2.54)0.05*
Fatty infiltration4 (5.3%)10.3 (8.23–11.32)5.57 (4.4–6.20)1.81 (1.7–2.08)0.021*
Abscess3 (4%)12.67 (12.6–12.8)5.97 (5.83–6.43)2.12 (1.9–2.21)0.05*