ultrasound (thyroid gland)
ImagingNone (imaging) sampleResults Same dayNo fasting
Ultrasound (Thyroid Gland)
A thyroid ultrasound images the thyroid gland in the neck to check its size and structure. It helps detect nodules, cysts, and other changes.
Sample
None (imaging)
Results
Same day
Fasting
Not required
Follow-up
Optional add-on
What this test detects
Thyroid gland
Ultrasonography
Sonologist's descriptive report
When to get this test
Thyroid nodule
Evaluates a lump or nodule felt in the neck.
Enlarged thyroid
Assesses goiter or swelling of the thyroid.
Follow-up monitoring
Tracks known thyroid findings over time.
How to prepare
01
No special preparation needed.
Common questions
Does it hurt?
No. A probe is gently moved over the neck with no pain.
Is it safe?
Yes. Ultrasound uses sound waves and no radiation.
How long does it take?
The scan usually takes about 15 to 20 minutes.