THYROID/NECK ULTRASOUND SCAN
Also Known As
Lab Test
₹2100
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About The Test
What the Scan Is and Why It Matters
- Real-time imaging: Sound waves bounce off tissues to build live pictures on a screen.
- No radiation: Safe for babies, pregnant women, and the elderly.
- Early detection: Spots nodules as small as 2 mm—years before they can be felt.
How It Compares to Other Imaging Options
Imaging Type | Uses | Radiation | Imaging Depth | Typical Duration |
---|---|---|---|---|
Ultrasound | Sound waves | None | Superficial neck | 15-20 min |
CT | X-rays | Yes | Deep chest/abdomen | 10-30 min |
MRI | Magnets | None | Brain/spine | 30-60 min |
What Is a Thyroid/Neck Ultrasound Scan?
Definition and Technology Used
High-frequency sound waves (3–15 MHz) are sent into the neck by a handheld probe. Echoes return and are translated into a real-time image on the monitor.
Difference Between Thyroid and Full Neck Ultrasound
- Thyroid-focused: Examines only the thyroid gland (both lobes & isthmus).
- Full neck ultrasound: Includes salivary glands, lymph nodes, carotid arteries, and soft tissues.
Types of Thyroid/Neck Ultrasound Scan
Type | Purpose | Typical Use Case |
---|---|---|
Grayscale ultrasound | Anatomy & texture | Routine screening |
Doppler ultrasound | Blood flow in nodules | Differentiate cancer risk |
Contrast-enhanced ultrasound | Vascularity mapping | Selected complex cases |
List of Parameters
- Thyroid size & volume – >18 ml in women or >25 ml in men may signal goitre.
- Nodule characteristics – size, shape (round vs taller-than-wide), margins, calcifications.
- Cervical lymph nodes – size, cortex thickness, loss of fatty hilum.
- Vascularity patterns – peripheral vs central blood flow.
Why This Test
- Investigate palpable neck lumps felt by you or your doctor.
- Monitor known nodules every 6–12 months for growth.
- Guide fine-needle aspiration (FNA) biopsy with real-time needle tracking.
- Evaluate underlying causes of hyperthyroidism or hypothyroidism.
When to Take Test
Symptoms That Trigger Referral
- Palpable lumps or swelling
- Persistent hoarseness or trouble swallowing
- Visible neck asymmetry when looking in the mirror
High-Risk Groups
- Family history of thyroid cancer
- Abnormal TSH, T3, T4 on blood tests
- History of thyroiditis or goitre
Routine Screening Scenarios
- Annual follow-up for known nodules
- Pre-surgery mapping or post-surgery monitoring
Benefits
Benefits of Taking the Thyroid/Neck Ultrasound Scan
- Quick: 15–20 minutes door-to-door.
- Painless: Only gentle pressure from the probe.
- Cost-effective: Up to 50 % cheaper than CT/MRI.
- Zero downtime: Resume work or drive immediately.
Illnesses Diagnosed with a Thyroid/Neck Ultrasound Scan
- Thyroid nodules – distinguish benign colloid nodules from suspicious solid lesions.
- Goitre – diffuse or multinodular enlargement.
- Thyroiditis – Hashimoto’s shows heterogeneous “pseudonodular” pattern.
- Neck cysts or abscesses – anechoic (black) fluid-filled structures.
- Enlarged lymph nodes – reactive vs malignant signs.
Preparing for test
- Clothing: Wear a loose collar or V-neck; avoid turtlenecks.
- Jewellery: Remove necklaces and scarves before entering the scan room.
- Fasting: Not required—eat and drink normally.
Pre-Requisites
- Valid doctor referral or prescription.
- Previous thyroid reports (blood tests, prior scans) if available.
- Patient ID and updated contact details for digital report delivery.
Best Time to Take the Scan
- Any time of day – the thyroid does not fluctuate with meals or hormones.
- Preferably before invasive tests like FNA or surgery to plan next steps.
Eligibility
- All ages: Newborns with congenital hypothyroidism to elderly with multinodular goitre.
- Pregnancy & breastfeeding: 100 % safe—no radiation or contrast needed.
Procedure Step-by-Step
- Check-in & consent at Cadabams Diagnostics reception.
- Positioning: Lie on your back with a small pillow under your shoulders to extend the neck.
- Gel application: Warm, water-based gel ensures smooth probe contact.
- Scanning: The sonographer moves the transducer across your neck for 10–15 minutes.
- Wipe-off & report: Gel is removed; preliminary findings handed to you instantly.
Caution Before the Test
- Inform staff if you had recent neck surgery or biopsy—scar tissue may need special views.
- Report any contrast allergies if a contrast-enhanced study is planned (rarely required).
Test Results
Results and Interpretations
Finding / Observation | Description | General Interpretation / Significance |
---|---|---|
Normal homogeneous thyroid | Uniform mid-gray echoes, smooth outline | No action needed |
Hypoechoic nodule | Dark (less echo) solid spot >1 cm | May need FNA if ≥1 cm or high-risk features |
Enlarged lymph node | >1 cm, round shape, loss of fatty hilum | Follow-up or biopsy if suspicious |
Risks & Limitations
- No radiation exposure – safe for all ages and stages of pregnancy.
- Operator-dependency – image quality hinges on the sonographer’s skill; at Cadabams Diagnostics, every scan is done by certified specialists.
- Limitations – may miss microscopic lesions <2 mm or deep-seated parathyroid glands.
FAQs
Is the scan painful?
No—only light pressure on the neck.
How soon can I eat or drink?
Immediately after the scan.
Can I drive home?
Yes—no sedation is used.
Will I get a copy of the images?
Yes, a digital copy is emailed and stored on the Cadabams mobile app.
What if a nodule is found?
Your report will include TI-RADS score; our radiologists will guide you to the next step—often a simple FNA.
Cost and insurance coverage?
Transparent pricing starts at ₹1,200. We support cashless insurance and corporate tie-ups.