I recently had my 4 cm thyroid nodule looked at by a general surgeon and he said it was concerning because it was "vascular" -which I know had to do with blood, but I don't totally understand what that means. I'm having a hard time finding any info on that - do you have an explanation?
The nodule with blood supply is composed from the living tisue (as opposed to the nodule composed from scar-like dead tissue). If that nodule is not taking up iodine (cold) it means increased chance for malignancy up to 20%.
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