International Journal of Thyroidology

Fig. 2.

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Fig. 2. Pre-tracheal hydrodissection-assisted core needle biopsy (CNB) of entirely calcified nodule. (A) A 57-year-old female patient presented with an entirely calcified nodule (*) with dimension of 7×12×13 mm on the left side of the thyroid gland near the trachea. (B) Pre-tracheal hydrodissection was performed to create safe margin (dotted lines) between the trachea and the target nodule (*). (C) Two CNB specimen were acquired and underwent subsequent mammography magnification examination, which demonstrated a thick calcified line (arrow). The normalized SI values of calcification (arrow) was 2.2 and non-calcified portion was 1.4.
Int J Thyroidol 2023;16:195-9
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