What Is the Thyroid?
The thyroid is a small, butterfly-shaped gland located at the front of the neck. Although small, it has a major impact on overall health by producing hormones that help regulate:
- Metabolism
- Heart rate
- Body temperature
- Energy levels
- Weight fluctuations
- Mood and cognitive function
When the thyroid is not functioning properly, it can affect nearly every system in the body.
What Is a Thyroid Ultrasound?
A thyroid ultrasound is a safe, non-invasive imaging exam that uses sound waves to create detailed images of the thyroid gland.
This exam helps physicians:
- Detect thyroid nodules or enlargement
- Evaluate the size, shape, and characteristics of nodules
- Monitor changes over time
- Assess findings that may require additional evaluation
- Guide next steps, including biopsy or specialty referral when appropriate
Unlike CT scans or X-rays, ultrasound does not use radiation.
Women & Thyroid Health
Thyroid disorders are significantly more common in women than men. In fact, women are estimated to be up to 5–8 times more likely to develop thyroid conditions during their lifetime. (American Thyroid Association)
Various hormonal changes can impact thyroid health and thyroid hormone balance.
Hormonal changes associated with:
- Pregnancy
- Postpartum changes
- Perimenopause and menopause
- Autoimmune conditions
Because symptoms are often subtle — or mistaken for stress, aging, or hormonal changes — many women may not realize a thyroid condition is developing.
Common symptoms may include:
- Fatigue or low energy
- Weight changes
- Brain fog or memory issues
- Hair thinning
- Anxiety or mood changes
- Sensitivity to cold or heat
- Neck fullness or swelling
Imaging can play an important role in identifying thyroid abnormalities early and helping guide appropriate follow-up care.
Why You May Need a Thyroid Ultrasound
Thyroid nodules are extremely common, especially with age. Most are benign, but some may require closer evaluation or follow-up.
Many thyroid conditions may not cause symptoms early on. Imaging can help identify abnormalities before they become more advanced — supporting earlier diagnosis, monitoring, and treatment planning.
Advanced imaging is especially important for:
- New or growing thyroid nodules
- Family history of thyroid disease or thyroid cancer
- Abnormal thyroid bloodwork
- Neck swelling or fullness
- Difficulty swallowing
- Voice changes or persistent hoarseness
- Follow-up evaluation of known thyroid conditions
The American Cancer Society estimates ~45,000 new U.S. cases of thyroid disease in 2026. About 1 in 8 women will develop a thyroid condition — rising to nearly 1 in 5 over age 60.
Advanced Imaging Enhanced by AI
RadNet utilizes advanced thyroid imaging technology enhanced by AI-powered analysis developed through DeepHealth.
This technology helps provide:
- More consistent evaluation of thyroid nodules
- Improved characterization of suspicious features
- Precise measurements for monitoring over time
- Standardized reporting to support clinical decision-making
- Greater diagnostic confidence for physicians and patients
By combining expert radiologist interpretation with advanced AI tools, we help bring greater clarity to thyroid imaging and follow-up care.
Expert Care You Can Trust
We combine compassionate care with innovative imaging technology — helping provide earlier answers and greater peace of mind.
Quick, comfortable exam (about 15–30 minutes)
No radiation or injections
Performed by experienced technologists
Results sent directly to your physician
What Happens If Something Is Found?
If a thyroid nodule or abnormality is identified, additional evaluation may be recommended depending on the size and imaging characteristics of the finding.
Next steps may include:
- Follow-up ultrasound imaging
- Thyroid lab testing
- Image-guided fine needle aspiration (FNA) biopsy
- Referral to an endocrinologist or specialist
Our teams can help coordinate additional imaging and image-guided biopsy services when needed — supporting a more seamless and connected patient experience.
Why Choose RadNet for Thyroid Imaging?
Advanced Technology
High-resolution ultrasound systems enhanced with AI-powered imaging analysis.
Expert Radiologists
Exams interpreted by experienced radiologists specializing in advanced diagnostic imaging.
Integrated Follow-Up Care
Access to coordinated imaging and image-guided biopsy services when needed.
Focus on Earlier Detection
A proactive approach designed to help identify potential concerns earlier — when more options may be available.
Frequently Asked Questions
Does a thyroid ultrasound hurt?
No. Thyroid ultrasound is painless, non-invasive, and typically takes less than 30 minutes.
Do I need special preparation?
Most patients do not need any special preparation before the exam.
Does insurance cover thyroid ultrasound?
Many insurance plans cover thyroid ultrasound when medically indicated. Coverage may vary by provider and plan.
Can thyroid nodules be cancerous?
Most thyroid nodules are benign. However, imaging helps determine whether additional evaluation or monitoring is needed.
Take a More Proactive Approach to Thyroid Health
Advanced thyroid imaging can help detect abnormalities earlier, provide clearer answers, and guide more informed next steps.