Abstract
To investigate the diagnostic accuracy of shear-wave elastography (SWE) for assessing malignant and benign kidneymasses. Forty patients with solid renal masses underwent US elastographic evaluation. SWEvalues of the lesions and adjacent cortical renal parenchyma and SWER were detected prospectively. Malignant tumors wererecorded as group 1 and benign tumors were recorded as group 2. The highest elasticity values were 27.27±25.66 kPa for group 1 and 16.13±8.89 kPa for group 2. The mean±SD elasticity values for adjacent renal cortex for groups 1 and 2were 2.7±2.08 and 2.75±1.35, respectively. For group 1, a negative correlation was observed between the age of the patientsand SWER value (p=0.047, rs=‑0.401). There was also a negative correlation between the SWER value and the SWE value ofadjacent renal cortex (p=0.004, rs=‑0.555). SWE is a noninvasive method that provides quantitative elasticity informationon tissues. Overlaps among different types of renal lesions may be due to heterogeneity of the lesions. Larger studygroups may clarify the other factors affecting SWE values under both normal and pathological conditions.
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