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Patient 6. Transversal (a) and longitudinal (b) scans of the normoechogenic thyroid gland revealed formation of the nodule 6 9/12 years since referral and since last ultrasound assessment. The growth of the nodule was fast from 6.3 × 7.3 × 4.2 mm to 12.2 × 7.4 × 8.9 mm in 7 months (316% increase). The nodule was surrounded by a hyperechogenic border
