Fig. 2From: Ultrasonographic prevalence and characteristics of non-palpable thyroid incidentalomas in a hospital-based population in a sub-Saharan countryTIRADS 2 thyroid incidentalomas. Anechoic cyst with small parietal calcification (a). Colloid cysts of the left lobe (b) cystic formations containing hyperechoic pits with comet tail artefacts characteristic of colloid granulations (b). Spongiform nodule of the right lobe (c)Back to article page