Figure 2

Images in a 31-year-old woman with an 8-mm papillary thyroid carcinoma in the left thyroid lobe. (a) Conventional US shows features of slight hypo-echogenicity and no macro-cacification. (b) Color Doppler US shows predominately peri-nodular blood flow. (c) Histologic examination (haematoxylin-eosin staining, ×200) confirms the diagnosis of papillary thyroid carcinoma.