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. 2019 Apr 4;19:28. doi: 10.1186/s12880-019-0328-2

Fig. 5.

Fig. 5

Echogenic foci associated with malignancy. 70-year-old female with thyroid nodule. Ultrasound image shows a 1.0 cm hypoechoic, solid nodule with peripheral curvilinear echogenic foci (Type 5, arrow). Biopsy result was papillary carcinoma and was confirmed at surgery