Thyroid nodules are lumps that can develop on the thyroid gland. They may be solid and look dark on an ultrasound scan. Most are benign, but there is a low risk of thyroid cancer. The thyroid is a ...

Doctors may recommend a biopsy to obtain a sample from a thyroid nodule. Testing the sample in a laboratory can help indicate whether the nodule is cancerous or benign. Though most tend to be benign, ...

To diagnose thyroid eye disease (TED), a doctor must examine your eyes to identify signs such as bulging or swelling. A CT or MRI scan may be necessary, along with bloodwork, to examine your thyroid ...

You may be looking to test your thyroid function if you’ve noticed concerning changes in your metabolism, digestion, body temperature, or fertility. At-home thyroid testing may be a less expensive ...

Anaplastic thyroid cancer is an extremely rare and fast-growing cancer. Just 500-800 people in the U.S. are diagnosed with it each year. It’s also very deadly. Anaplastic thyroid cancer makes up only ...

DEAR MAYO CLINIC: I recently read that thyroid issues affect women more often than men. Can you explain what the thyroid is and how it affects my body? Can I do anything to prevent having issues with ...

A widely prescribed thyroid medication called levothyroxine may cause bone loss and increase the risk of the bone disease osteoporosis, according to new research—but this does not mean Americans ...