Thyroid Ultrasound
Thyroid Scan
Essential information
A thyroid ultrasound is usually requested to assess a lump, swelling, or enlargement of the thyroid gland. It helps determine whether a lump is located within the thyroid or in the surrounding soft tissues of the neck.
A thyroid ultrasound can help assess nodules, goitre, cysts, inflammation, and other structural abnormalities of the thyroid gland. It can also support follow-up of previously known thyroid conditions or nodules that require monitoring.
Ultrasound may be one of several investigations you require, and you should consult your doctor to ensure that any additional tests or onward referrals are arranged.
Why should I choose MedicalUltrasound.co.uk for my thyroid ultrasound?
- Experienced Sonographer Led Thyroid Imaging
Your thyroid ultrasound is performed by an experienced Sonographer with specialist expertise in neck and endocrine imaging, ensuring accurate assessment of the thyroid gland and surrounding structures. - Focused Thyroid and Neck Assessment
The scan is specifically designed to assess thyroid size, structure, and nodules, as well as adjacent cervical lymph nodes, helping identify changes that may require monitoring or further investigation. - High Quality Real Time Ultrasound Imaging
We use modern ultrasound technology to produce clear, real-time images that allow detailed evaluation of thyroid tissue and nodules, supporting reliable clinical interpretation. - Safe, Non-Invasive and Radiation-Free Investigation
Thyroid ultrasound does not involve radiation and is non-invasive, making it suitable for initial assessment and repeat monitoring of thyroid nodules or enlargement. - Clear Clinical Reporting for Onward Care
A signed clinical report is produced following your scan and shared with your GP or referring clinician to support diagnosis, follow-up, further investigation, or referral where appropriate.
Medical Ultrasound provides structured thyroid imaging that supports accurate diagnosis and informed clinical decision-making within your wider healthcare pathway.
How long is the appointment?
The appointment usually takes around 20 minutes to complete.
How much does it cost?
The cost of this scan is £95.
You can combine this scan with any other scan for an additional £60
Please note that this may not be possible for certain packages, such as musculoskeletal scans, vascular scans, etc, because this is a specialist area and only Sonographers with a specific interest in this field will be able to carry out the examination.
When should you get a Thyroid Ultrasound?
You may be advised to have a thyroid ultrasound if you have symptoms or examination findings that require closer assessment. This scan is used to examine the structure of the thyroid gland and surrounding soft tissues in the neck.
A thyroid ultrasound may be appropriate if you have:
- A thyroid lump or swelling
- A sensation of fullness or pressure in the neck
- Visible enlargement of the thyroid gland
- Abnormal thyroid blood tests
- Symptoms that may relate to thyroid changes, such as heat or cold sensitivity, weight changes, or neck discomfort
- A history of thyroid nodules that require monitoring
- A family history of thyroid disease
- Recurrent throat discomfort without a clear cause
- A request from your GP or specialist for further assessment
- Follow up after previous thyroid imaging or treatment
A thyroid ultrasound is often the first-line investigation because it is safe, quick, and provides detailed, real-time information about the thyroid gland without radiation. It helps your clinician understand the cause of your symptoms and guides appropriate next steps in your care.
How should you prepare for the scan?
No preparation is required for a thyroid ultrasound. You may be asked to remove necklaces or clothing that covers the neck so the area can be easily examined.
What will I experience during the examination?
The examination will be carried out by a qualified Sonographer. The procedure is non-invasive and painless. The Sonographer will move a probe lubricated with warm gel over the front of your neck to obtain the necessary images of the thyroid gland and surrounding soft tissues.
You are welcome to ask questions at any point during your examination.
Thyroid Ultrasound FAQs
At MedicalUltrasound.co.uk, diagnostic accuracy, clinical clarity, and patient reassurance are central to every examination. This FAQ guide covers the most common questions about thyroid ultrasound, including when it is recommended, what the scan assesses, how thyroid nodules are evaluated, and what happens after your appointment.
The information explains how thyroid ultrasound is used to assess the size, structure, and appearance of the thyroid gland and to evaluate thyroid nodules, enlargement, or asymmetry. It also outlines the role of ultrasound in assessing nearby neck structures and lymph nodes, and how findings are interpreted alongside thyroid blood tests and clinical assessment.
Each question is presented in two parts.
A Short answer for quick reference
An In-depth answer to provide a clinical explanation and context
Whether you have been referred by your GP or are arranging a private scan, this guide is designed to help you understand the purpose of a thyroid ultrasound, what to expect during the examination, and how the results support diagnosis, monitoring, or onward care, delivered by experienced diagnostic Sonographers.
What is a thyroid ultrasound?
A thyroid ultrasound is a scan that assesses the thyroid gland and nearby neck structures.
What is a thyroid ultrasound?
A thyroid ultrasound is a scan that assesses the thyroid gland and nearby neck structures.
A thyroid ultrasound uses high-frequency sound waves to produce real-time images of the thyroid gland in the lower front of the neck. It is commonly used to investigate thyroid lumps, swelling, asymmetry, or abnormal blood test results. The scan evaluates thyroid size, structure, and nodules, and can also assess nearby lymph nodes. It does not use radiation and is non-invasive.
What does a thyroid ultrasound assess?
It assesses thyroid size, shape, and internal structure.
The scan evaluates the thyroid gland for enlargement, nodules, cysts, and changes in texture. It measures the size of the gland and any nodules present and assesses their appearance. Ultrasound findings are interpreted alongside thyroid blood tests and clinical symptoms to guide monitoring, further investigation, or referral.
Can a thyroid ultrasound detect thyroid nodules?
Yes. Ultrasound is the main imaging test for thyroid nodules.
Thyroid ultrasound is very effective at detecting thyroid nodules and assessing their size, composition, and appearance. It helps distinguish solid nodules from cystic ones and identifies features that guide whether monitoring or further tests are required. Many thyroid nodules are benign and common, especially with increasing age.
Can a thyroid ultrasound detect thyroid cancer?
It can identify suspicious features, but cannot diagnose cancer alone.
Ultrasound can identify nodules with features that may raise concern, such as irregular borders or internal characteristics. However, thyroid cancer cannot be diagnosed on ultrasound alone. If concerning features are identified, your GP may arrange further tests such as a biopsy or referral to an endocrine or ENT specialist for definitive assessment.
Is thyroid ultrasound a cancer screening test?
No. It is not a population screening test.
Thyroid ultrasound is used to assess symptoms, lumps, or abnormal findings rather than to screen the general population for cancer. It helps investigate specific clinical concerns and supports decision-making when nodules or enlargement are present. Results are always interpreted in a clinical context.
Can a thyroid ultrasound explain a lump in my neck?
Yes. It is commonly used to investigate neck lumps.
Thyroid ultrasound can assess whether a neck lump arises from the thyroid gland, nearby lymph nodes, or other soft tissue structures. It helps determine the origin, size, and characteristics of the lump, guiding whether reassurance, monitoring, or further investigation is required.
Does thyroid ultrasound assess lymph nodes?
Yes. Nearby cervical lymph nodes can be assessed.
Ultrasound can evaluate lymph nodes in the neck for size, shape, and internal structure. This is important when assessing thyroid nodules or neck lumps. Abnormal lymph nodes may require further investigation depending on appearance and clinical history.
Can a thyroid ultrasound assess an overactive or underactive thyroid?
It assesses structure, not hormone function.
Thyroid ultrasound evaluates the physical structure of the gland but does not measure hormone levels. Overactive or underactive thyroid conditions are diagnosed using blood tests. Ultrasound may still be useful to assess gland size, nodules, or inflammation that may be associated with thyroid dysfunction.
Is a thyroid ultrasound painful?
No. The scan is painless and well-tolerated.
Thyroid ultrasound is non-invasive and does not involve needles or injections. You may feel mild pressure as the probe is moved over the neck, but this should not cause discomfort. The scan is usually completed within 15 to 20 minutes.
Do I need to prepare for a thyroid ultrasound?
No special preparation is required.
You can eat and drink normally before a thyroid ultrasound and continue taking your usual medications. Wearing clothing that allows easy access to the neck area is helpful. You may be asked to remove jewellery from your neck during the scan.
Can thyroid ultrasound detect cysts?
Yes. Thyroid cysts are commonly identified.
Ultrasound can easily detect thyroid cysts and assess whether they are simple or complex. Simple cysts are usually benign and often require no treatment. Complex cysts may require follow-up depending on size and appearance. Findings are interpreted alongside symptoms and blood test results.
Can thyroid ultrasound detect goitre?
Yes. Thyroid enlargement can be assessed accurately.
Ultrasound can measure thyroid size and confirm the presence of a goitre. It can also assess whether enlargement is uniform or related to nodules. This information helps guide further investigation and management alongside thyroid blood tests.
Can thyroid ultrasound detect inflammation?
It can show features associated with thyroid inflammation.
Ultrasound may show changes in thyroid texture or vascularity that suggest inflammatory conditions such as thyroiditis. However, inflammation is diagnosed based on symptoms and blood tests. Ultrasound supports assessment but does not confirm inflammation on its own.
Can a thyroid ultrasound be repeated safely?
Yes. It is safe for repeat monitoring.
Thyroid ultrasound does not use radiation and can be repeated to monitor known nodules or changes over time. Follow-up intervals are determined based on nodule size, appearance, and clinical guidance.
Can thyroid ultrasound guide biopsy?
It supports decisions about whether a biopsy is needed.
Ultrasound helps identify which nodules may require biopsy based on size and appearance. While a biopsy is not performed as part of a standard diagnostic ultrasound at MedicalUltrasound.co.uk, ultrasound findings help guide appropriate referral where needed.
Can thyroid ultrasound detect parathyroid problems?
Sometimes, but it is not the primary test.
Ultrasound may identify enlarged parathyroid glands in some cases, but parathyroid disorders are primarily diagnosed using blood tests. Further imaging may be required if a parathyroid condition is suspected.
Is thyroid ultrasound safe in pregnancy?
Yes. It is safe and commonly used.
Ultrasound uses sound waves rather than radiation and is considered safe during pregnancy. Thyroid ultrasound may be performed if there are thyroid-related symptoms or concerns during pregnancy.
Will medication affect thyroid ultrasound results?
Most medications do not affect imaging.
Thyroid medications may influence gland size or appearance over time, but they do not interfere with the ultrasound itself. Findings are interpreted alongside your treatment history and blood test results.
Will the Sonographer tell me the results during the scan?
Results are provided in a written clinical report.
The Sonographer may explain what they are assessing, but does not usually provide a diagnosis. A signed report is sent to your GP or referring clinician, who will discuss the findings and next steps with you.
What happens after my thyroid ultrasound?
Your GP will review the findings and advise next steps.
After the scan, a signed clinical report is shared with your GP or referring clinician. They will explain the findings, advise whether monitoring, further tests, or referral is required, and ensure results are interpreted in the context of your symptoms and blood tests.
To book, call: 0141 221 2496 or email[email protected]
To book, call: 0141 221 2496 or email[email protected]
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MedicalUltrasound.co.uk
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Glasgow G1 1DA
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