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Thyroid Ultrasound Meaning (?)

A 0.8 x 0.7 x 0.8 cm well-circumscribed, isoechoic nodule with a hypoechoic rim in the mid right thyroid lobe contains internal vascularity and small microcalcifications.
IMPRESSION:
Poorly-circumscribed subcentimeter nodule in the mid right thyroid lobe.
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Hi November1917,

Most thyroid nodules are benign (90-95%).  Your nodule has some characteristics (internal vascularity, microcalcifications, and a hypoechoic rim) that make it a bit more suspicious.  Most doctors will not do a biopsy on thyroid nodules until they are at least 1 cm in size, regardless of what characteristics are present.  Partly because thyroid nodules (and most thyroid cancers) are very slow growing, and partly because it is difficult to get enough cells or get cells from the nodule using ultrasound guided fine needle biopsy on small nodules.

Depending on the doctor, they may recommend a follow-up ultrasound in 6 months to a year to see if the nodule is growing.  It is unlikely, but possible, that they might recommend a fine needle biopsy, since there are some suspicious characteristics present.

Again, most thyroid nodules are benign, and a single, small nodule has a low risk of being cancer, but it is good to monitor it once you know it is there.

Helpful - 0
4 Comments
Thank you so much for your response.  I really appreciate it!
Also, what do you think of the first description that states "well-circumscribed," and the "Impression" that states "Poorly-circumscribed?"
I am not a medical professional, this is just my opinion on this...

I think the "poorly-circumscribed" in the "Impression" is a mistake/error since it is the exact opposite of what is described above. The fact that it has a hypoechoic rim and that the description states it has a well defined border makes me think that is probably the right one.    Poorly circumscribed means the border is less distinct/more blurry.  

This is something you could ask your doctor about; I don't know what they do about inconsistencies on reports like this.  I saw this the first time I read your report, but I went with what was included in the description (well-circumscribed) because the description has more specific details and seemed more likely to be the right.
Thank you!  I appreciate your input!  
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