Book your Colour Doppler Thyroid Ultrasound at Molecular Diagnostics and Therapy, a Diagnostic Centre accredited by NABL & NABH and committed to providing state-of-the-art Radiology and Diagnostics imaging services. Colour Doppler Thyroid, or Thyroid Evaluation and Doppler Ultrasound, is a non-invasive thyroid ultrasound examination that assesses the thyroid gland, its structure and blood flow in the thyroid gland, and selected thyroid nodules. This examination can help the doctor determine if there is an enlargement of the thyroid, swelling of the neck, thyroid nodules, or signs of inflammation. It is capable of adding extra vascularity information which can be used in conjunction with thyroid function tests and other investigations, in conjunction with conventional ultrasound.

About Colour Doppler Thyroid

Located right at the front of the neck, the thyroid produces hormones that control metabolism, body temperature, heart rate, and more. Colour Doppler Thyroid enables an examination of the thyroid's size, shape, texture, internal structure, and an assessment of the blood supply in its blood vessels with the help of high-frequency sound wave technology.

During the exam, the physician may be able to recognize thyroid enlargement, cysts, and changes in the appearance of the thyroid gland as well as nodules. In some circumstances, Doppler imaging can show that the blood flow is increased; in other circumstances, it will show a decrease. Experiments like this can be helpful in evaluating thyroid problems, but should be done in conjunction with symptoms, physical exam, thyroid hormone levels, and other tests.

What Is Colour Doppler Thyroid?

Colour Doppler Thyroid is an ultrasound diagnostic test that incorporates Doppler technology into the imaging of the thyroid gland, as well as selected abnormalities, to evaluate blood flow in the thyroid gland. In certain thyroid diseases, it can be useful to assess the blood flow of the thyroid glands and changes in their blood flow.

A sonographer/radiologist puts pressure against the front of the neck with the device and then places a probe over the area of the thyroid. The ultrasound generates images of the thyroid gland, and Doppler imaging shows the blood flow in the specific vessels and tissue regions. No needles/injections are normally required, no ionising radiation is used, and the procedure is generally quite painless.

Common Reasons for Colour Doppler Thyroid

• Thyroid enlargement: To evaluate an enlarged thyroid gland, also known as a goitre, and examine its structure.
• Thyroid nodules: To assess nodules detected during a physical examination or conventional ultrasound and evaluate their blood-flow patterns.
• Neck swelling: To investigate swelling or a lump in the front of the neck that may originate from the thyroid gland.
• Suspected thyroid inflammation: To assess changes in the gland's appearance and vascularity when thyroiditis is suspected.
• Abnormal thyroid function tests: To provide structural and vascular information when thyroid hormone levels are abnormal, and imaging is clinically indicated.
• Suspected hyperthyroidism: To assess increased thyroid blood flow in selected patients with an overactive thyroid.
• Monitoring known thyroid abnormalities: To evaluate selected thyroid nodules or other established conditions when follow-up imaging is recommended.
• Assessment of thyroid lesions: To provide additional imaging information that may help determine whether further evaluation, such as fine-needle aspiration, is required.

Conditions and Abnormalities Evaluated

Thyroid Nodules

Nodules are solid lumps, cysts, or a combination of solid and cystic with the thyroid gland. Use of Colour Doppler can confirm as well as rule out blood flow in or around a nodule and, in conjunction with conventional ultrasound, can provide a complementary diagnosis. But even the information as to whether a nodule is a benign or malignant tumor cannot be relied upon when considering vascularity only. Depending on its ultrasound appearance and clinical risk factors, some further evaluation may be suggested.

Goitre and Thyroid Enlargement

When the thyroid becomes enlarged, it's known as goitre. Colour Doppler ultrasound may be useful for determining the size, shape, internal texture, and vascular [blood circulation] activity of the gland. The results can assist physicians in the study of diffuse enlargement of the thyroid and deciding whether or not further tests are required.

Graves' Disease and Hyperthyroidism

In some instances, an existing autoimmune disease can lead to an overactive thyroid (hyperthyroidism), known as Graves' disease. Colour Doppler shows the increased blood flow in some patients throughout the gland. The discovery may assist physicians in the diagnosis and management of Graves' disease and other hyperthyroidism-causing conditions, but does not help them make a diagnosis on its own.

Thyroiditis

Thyroiditis is the condition that occurs when the thyroid is inflamed. Thyroiditis can present with varying appearances and blood flow changes of the thyroid. When combined with symptoms, thyroid function tests, and other clinical information, colour Doppler findings can give additional information.

Thyroid Cysts and Mixed Lesions

Patients with cystic, solid, and mixed lesions in the thyroid may benefit from the examination in evaluating the lesions. Ultrasound is done in the normal fashion to examine the lesion's composition and appearance, and Doppler imaging will give further information if it is present, about the vascularity of the lesion. Further investigation/ follow-up will be indicated based on the overall imaging findings.

Suspected Abnormal Thyroid Blood Flow

Colour Doppler is used to evaluate blood-flow patterns in a section of the thyroid and some blood vessels. In some types of inflammatory, autoimmune, and hormonal thyroid diseases, there may be changes to the vascularity. Findings in the laboratory should be taken into account, as well as information from the patient's medical history, in interpreting results.

Cervical Lymph Nodes and Surrounding Structures

Clinically, if needed, a check of nearby neck structures and the cervical lymph nodes is conducted. If the abnormality is detected, additional imaging or specialist opinion may be needed to determine if it is something that needs further investigation.

Why Choose Molecular Diagnostics and Therapy?

At Molecular Diagnostics and Therapy, patient care is the priority; using appropriate examination protocols and reporting is the key. We work to make it comfortable for patients to be examined and to give accurate imaging results that are discussed with the patient's symptoms, clinical examination, thyroid function tests, and medical history. The examination is carried out based on the clinical requirement, and the thyroid gland and other abnormalities are evaluated. The radiologist can compare the thyroid findings with any ultrasound reports and/or thyroid-related investigations which may have been performed previously, to give a more detailed assessment.

Book Your Colour Doppler Thyroid

If your doctor has advised you to have Colour Doppler Thyroid, you are eligible to have it at Molecular Diagnostics and Therapy. This examination can be helpful when trying to get a better idea of the condition of the thyroid gland, blood flow in portions of the thyroid, when the thyroid is enlarged, when there are nodules, or when there is suspected thyroid inflammation. Bring previous thyroid ultrasounds as well as any blood tests taken in the past (TSH, T3, T4). Depending on the imaging results and any symptoms, your doctor may suggest other tests.