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Finding the right tests…
Sonography
USG GUIDED DIAG. is an ultrasound-guided sampling procedure, used when a solid area of concern needs a tissue or cell sample rather than fluid drained from it. A radiologist watches the target on screen and guides a thin needle directly into it, removing cells or a small core of tissue for lab examination. That's a different job from a guided aspiration, also in this catalogue, which withdraws fluid from a cyst instead of sampling solid tissue. For a thyroid nodule specifically, this kind of needle sampling is close to 95% accurate for producing a readable result. Bleeding and infection at the site are the main risks, and both are uncommon under direct imaging guidance.
This procedure guides a thin needle directly into a solid area your doctor has flagged, removing cells or a small tissue sample for lab examination. Your doctor watches the needle's position on ultrasound throughout, to keep it accurately placed within the target.
When a solid finding needs more than an image to explain it, a direct sample is the next step. USG GUIDED DIAG. uses real-time ultrasound to guide a thin needle straight into that finding, removing cells or a small piece of tissue for a lab to examine.
This procedure targets solid tissue specifically, unlike a guided aspiration, also listed in this catalogue, which drains fluid from a cyst instead. The needle used here is thin, closer in size to what's used for a blood draw than a larger surgical needle, and the sample goes to a lab rather than being read on the spot.
For a thyroid nodule specifically, this kind of needle sampling has been reported as close to 95% accurate at producing a result a lab can actually interpret. Occasionally a sample doesn't yield enough material and needs to be repeated.
A needle does enter the body, so there's a small risk of bleeding or infection at the site, along with a rare chance of affecting nearby structures. Complications are uncommon specifically because the procedure is done under direct imaging guidance with a fine needle, not without it.
This procedure takes a sample of solid tissue or cells from a finding. USG GUIDED ASPIRATION instead drains fluid from a cyst or collection. The two target different kinds of findings.
For a thyroid nodule specifically, this kind of sampling has been reported as close to 95% accurate at producing a result a lab can read. Occasionally a sample doesn't yield enough material and needs to be repeated.
No. It's done with a thin needle under ultrasound guidance, without cuts or stitches, and is far less invasive than a surgical biopsy.
A local anesthetic is used to numb the area first, so you may feel a brief sting followed by pressure rather than sharp pain.
This page is general information about the test, not medical advice. Your own report's reference ranges apply — please discuss your results with your doctor.
Bleeding and infection at the site are the main risks, along with a rare chance of affecting nearby structures. Complications are uncommon under direct imaging guidance with a fine needle.
No. It's guided by ultrasound, which uses sound waves rather than X-rays, so there's no radiation exposure.
There's no single preparation that applies to every patient. Ask your doctor or the centre directly what they'd like you to do beforehand.