Figure 2From: Neurofibromatosis type 1 associated with papillary thyroid carcinoma incidentally detected by thyroid ultrasonography: a case report Transverse ultrasonography images of thyroid nodules. (a) In the right lobe, a 0.79 × 0.75cm hypoechoic and homogeneous nodule with a halo was observed. (b) In the left lobe, a markedly hypoechoic 1.25 × 1.38cm nodule with irregular margins, microcalcification, and extracapsullar extension was observed in the middle portion.Back to article page