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Thyroid ultrasound
A thyroid ultrasound (thyroid sonography) is a modern, quick, and completely painless examination used to visualize the internal structure of the thyroid gland and the surrounding tissues. Using high-frequency ultrasound, the physician can determine whether the gland is in a normal condition or whether it contains nodules, cysts, signs of inflammation, or other abnormalities.
This is a non-invasive procedure – no X-rays, contrast agents, or needle insertions are used. Ultrasound is entirely safe and suitable even for pregnant women and children.
What is thyroid ultrasound used for?
The examination helps to:
- detect thyroid nodules and cysts,
- assess the size and shape of the gland (goiter),
- evaluate tissue structure (inflammatory changes),
- monitor the development of already known findings over time,
- refine the diagnosis of thyroid dysfunction (hypothyroidism, hyperthyroidism),
- decide on further treatment or the need for a biopsy.
Ultrasound often complements blood tests (TSH, fT4, fT3) and significantly increases the accuracy of diagnosis.
When is thyroid ultrasound recommended?
The examination is recommended if:
- you have abnormal thyroid hormone levels,
- your doctor feels an enlargement or lump in your neck,
- you feel pressure, discomfort, or hoarseness,
- you have a family history of thyroid disease,
- you are monitoring a known lump or goiter,
- you are planning a pregnancy or are pregnant (as indicated).
How the ultrasound examination is performed
- The examination usually takes 10-15 minutes.
- It is performed while lying down with your head slightly tilted back.
- The doctor places an ultrasound probe on your neck.
- The examination is radiation-free, painless, and risk-free.
- The results are available immediately after the examination.
No special preparation is necessary.
What can be detected by ultrasound
Ultrasound can distinguish between:
- benign nodules (the most common finding),
- inflammatory changes (e.g., Hashimoto's thyroiditis),
- fluid-filled cysts,
- suspicious signs requiring further investigation.
Most nodules are benign, but regular monitoring is crucial.
Who will help you?
The medical team at Vasmedic consists of leading experts who will provide you with professional care with a personal touch.
A thyroid ultrasound is recommended in the following cases:
When there is a suspicion of:
- Enlarged thyroid gland (goiter)
- Palpable lump or mass in the neck (swelling, firm nodule)
- Hormonal disorders – hyperthyroidism or hypothyroidism
- Autoimmune diseases – Hashimoto’s thyroiditis, Graves’ disease
- Pain or pressure in the neck area, difficulty swallowing, or voice changes
- Enlarged lymph nodes in the neck region
It is also recommended for:
- Regular monitoring of known thyroid nodules
- Follow-up after thyroid surgery
- Monitoring patients after oncological treatment
- Preventive screening for individuals with a family history of thyroid disease
During the ultrasound examination, the physician assesses:
Thyroid structure
- Homogeneous vs. non-homogeneous echotexture
- Signs of inflammation or fibrosis
Noules and cysts
- Number, size, shape, and boundaries
- Presence of calcifications (calcium deposits)
- Blood supply to the nodule (using Doppler imaging)
Signs of malignancy risk
- Irregular margins, microcalcifications, increased vascular flow – these may indicate the need for a biopsy
Surrounding structures
- Adjacent lymph nodes
- Trachea, neck vessels, and any post-surgical remnants
- The patient lies down on the examination table with the neck slightly tilted back.
- A special gel is applied to the thyroid area to improve the transmission of ultrasound waves.
- The doctor places the probe on the neck and observes the image on the monitor in real time.
- During the examination, images may be taken and the size of various structures measured.
- The procedure usually takes about 20–30 minutes and is completely painless.
Thyroid diseases often develop without noticeable symptoms.
Early diagnosis is crucial for proper treatment and for preventing more serious complications, including metabolic disorders, fatigue, infertility, or thyroid cancer.
Schedule a Thyroid Ultrasound
The examination is performed painlessly, gently, and without waiting times.