I had an ultrasound done on my thyroid on 12/31/09 for left solitary nodule measuring 3.6cmx2.2cmx2.0cm. FNAsupported a benign nodule and dr. told me to wait six months and have another ultrasound to see if there was any new growth. In the interim I was diagnosed with breast cancer and am undergoing the end of my treatments now, so needless to say I forgot about my 6 month thyroid scan and it has been a year. The thyroid seemed to get larger so I spoke to my oncologist who sent me for another ultrasound. The nodule now measures 6.6cmx2.8cmx2.7cm. My oncologist told me not to worry about it, but of course I am. How large is too large for a nodule (I do have some difficulty swallowing when I lie down) Also I am scheduled for my next pet scan next week. Would thyroid cancer show up it there was any on this scan? Thank you, Lisa
That is a significant enlargement and a repeat FNA should be perfomed.
Thyroid cancer does not always show up on PET scan, but if the PET shows increased uptake, it is 40% rate of cancer.
If the nodule has truly grown to 6.6cm from 3.6cm, would consider removal - but first repeat the FNA.
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