This looks like remnants of thyroid tissue left after surgery (to preserve voice nerves, perhaps), which was later destroyed by RAI. The recurrent cancer does not look this way (according to the literature); it presents itelf as abnormal lump evolving from lymph node.
Ultrasound reads thyroid tissue observed. Right lobe 1.1 x 0.5 x 0.5 cm. left lobe 1.1 x 1.3 x 0.4 cm. isthmus is .2 cm in thickness. The visualized thyroid tissue is homogeneous in echotexture with no nodule identified. Small thyroid gland present.
The answer for your question depends what biopsy will show.
Can you post an ultrasound report?
It's definitely there. I go for fna biopsy in two weeks. I'm still confused if I should leave it in or not?
"Repeat ultrasound two weeks ago revealed whole new thyroid gland with a mass on each side"
Any visual evidence of the masses??
any possibility of misplaced ultrasound?
In any rate the another ultrasound needed to reveal whats going on before doing anything else!!