“…Echotexture was classified as homogeneous or heterogeneous. Although interpretation of an ultrasonographic texture is subjective, it has been proposed that an echotexture is homogeneous when dots size and spacing is uniform or regular, and heterogeneous when is nonuniform or irregular (Matton and Nyland, 2015). To diminish this parameter of subjectivity and as ultrasonography is operator dependent, the ultrasonographic studies were always performed by the same persons in both centers were the study was carried out.…”