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(A) Multi loculated hypoechoic collections arising from right thyroid lobe extending into the isthmus; (B) largest hypoechoic collection occupying the right lobe.
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Neck ultrasound demonstrated heterogenous appearance of both thyroid lobes, with heterogenous hypoechoic mass occupying the right lobe, extending towards the left isthmus-thyroid junction (Figures 1A and 1B).
(A) Multi loculated hypodense rim enhancing collection at right thyroid bed, trachea deviated to the left. Left thyroid gland appears normal; (B) Collection extends posterosuperiorly into the prevertebral space.
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In addition, there were multiple enhancing bilateral cervical lymph nodes in all levels, with the largest measuring 0.9 x 0.6 cm (Figures 2A and 2B).