International Journal of Thyroidology

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Fig. 2.

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Fig. 2. Image and histopathological findings of patient 2. Neck CT (A) show a large well-demarcated low-dense nodule in the left lobe. In addition, the transverse image of neck ultrasonography (B) shows a large heterogeneous hypoechoic nodule in the left lobe, which was confirmed as a follicular variant of papillary carcinoma after surgery. Transverse image (C) shows diffuse ill-defined hypoechogenicity in the subcapsular area; it looks taller than wide and has a speculated margin. FNAC was performed at the hypoechoic nodule, and the result showed AUS. In the follow-up ultrasonographic image (D), the hypoechoic nodule has significantly and the subcapsular diffuse hypoechogenicity has improved. (E) (H&E stain, ×40) and (F) (H&E stain, ×400) show papillary carcinoma with encapsulated follicular variant. (G) (H&E stain, ×100) and (H) (H&E stain, ×100) show granulomatous inflammation and interstitial fibrosis with multinucleated giant cells, which suggest subacute thyroiditis.
Int J Thyroidol 2021;14:180-5
© 2021 Int J Thyroidol