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(a-c) Gray scale transverse ultrasound neck images done before thyroid scan showed homogenous thyroid tissue in the right para-midline location in the cervical region with absent thyroid tissue in thyroid bed, color Doppler showed increased vascularity in thyroid tissue (thin arrow); (d) Repeat ultrasound of upper neck region showed additional small homogenous soft tissue nodule, similar in echogenicity to thyroid tissue (thick arrow)
