Fig. 3From: Ultrasonographic prevalence and characteristics of non-palpable thyroid incidentalomas in a hospital-based population in a sub-Saharan countryTIRADS 3 thyroid incidentalomas. Hyperechoic nodule with sharp margins, peripheral hypoechoic halo and peripheral vascularization on the left lobe (a, b). Isoechogenic nodule with peripheral hypoechoic halo and peripheral vascularization (c)Back to article page