What to expect during a neck ultrasound
A neck ultrasound is a safe, painless, and highly effective imaging test commonly used to examine the structures within the neck, such as the thyroid gland, lymph nodes, and surrounding soft tissues.
In this article, consultant radiologist Dr David Annan explains what a neck ultrasound involves, how you can prepare, what happens during the procedure, and what to expect afterwards.
What is a neck ultrasound?
A neck ultrasound, also known as a cervical ultrasound scan, uses high-frequency sound waves to create detailed images of the neck’s internal structures. It does not involve radiation and is one of the most commonly performed imaging tests in radiology.
This scan is typically recommended to:
- Assess the thyroid gland for nodules, cysts, or enlargement (goitre).
- Evaluate lymph nodes in cases of swelling, infection, or suspected cancer.
- Investigate unexplained neck lumps or pain.
- Guide procedures such as fine needle aspiration (FNA).
How to prepare for a neck ultrasound
One of the advantages of a neck ultrasound is that little preparation is required. You can eat, drink, and take your usual medications as normal. It’s best to wear a loose-fitting top or a shirt with an open collar so the neck area can be easily accessed. You’ll usually be asked to remove necklaces or scarves before the examination.
What happens during the procedure
You’ll be asked to lie on your back on an examination couch, usually with a small pillow or support placed under your shoulders to extend the neck slightly. The radiologist or sonographer will apply a clear, water-based gel to your neck, this helps the ultrasound probe (transducer) make good contact with your skin and produce clearer images.
The scan itself
The transducer is gently moved over the neck area while real-time images appear on a monitor. You may feel light pressure but it should not be painful. The radiologist may ask you to swallow or turn your head to the side during the scan to obtain different views of the structures.
The examination typically takes between 10 and 20 minutes. Once complete, the gel will be wiped away and you can return to your normal activities straight away.
After the ultrasound
There are no side effects or recovery time needed after a neck ultrasound. The images are reviewed and interpreted by a consultant radiologist, who prepares a detailed report for your referring doctor. Your doctor will then discuss the results with you and advise on any next steps, which may include further imaging, blood tests, or follow-up appointments.
Is a neck ultrasound safe?
Yes. Ultrasound scans are extremely safe procedures that use sound waves rather than radiation, making them suitable for all ages, including children and pregnant patients.
If you’ve been advised to have a neck ultrasound, rest assured that it is a safe and informative step towards understanding your condition and planning the right care.