Fig. 2From: Comparison of computed tomography features between follicular neoplasm and nodular hyperplasiaA 62-year-old man with nodular hyperplasia in the left thyroid lobe (largest diameter, 3.5 cm). In non-enhanced (a) and contrast-enhanced (b) axial CT images, nodular hyperplasia (arrows) in the left thyroid lobe shows inhomogeneous iso-attenuation, ovoid shape, homogeneous iso-enhancement, and absence of the CT halo signBack to article page