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Figure 2: (a) Grayscale ultrasound image of the right thyroid lobe showing a well-defined, predominately low echogenic lesion with multiple minute cysts located peripherally. There are multiple echogenic foci with distal acoustic shadows representative of calcifications. (b) The contour of the lesion is regular and shows hypervascularity on color Doppler imaging. These features are consistent with a suspicious thyroid lesion. Fine-needle aspiration interpretation revealed several papillary clusters of follicular cells that are suspicious for papillary thyroid carcinoma

Figure 2: (a) Grayscale ultrasound image of the right thyroid lobe showing a well-defined, predominately low echogenic lesion with multiple minute cysts located peripherally. There are multiple echogenic foci with distal acoustic shadows representative of calcifications. (b) The contour of the lesion is regular and shows hypervascularity on color Doppler imaging. These features are consistent with a suspicious thyroid lesion. Fine-needle aspiration interpretation revealed several papillary clusters of follicular cells that are suspicious for papillary thyroid carcinoma