Dear Dr. Roach: I'm set to have a CT scan of my lungs with iodine dye. I have hypothyroidism and am on 25 mg of levothyroxine. Should I take the medicine the day of the test? Or should I have the CT ...

Thyroxine (T4) is the main hormone your thyroid makes. Your thyroid hormones are important because they control how your body uses energy from the food you eat. (Photo Credit: iStock/Getty Images) T4 ...

A thyroid-stimulating hormone test measures the levels of this hormone in the body. The test helps determine whether or not the thyroid, a small gland in the throat, is functioning correctly. The ...

The thyroid gland produces two thyroid hormones, triiodothyronine (T3) and thyroxine (T4), and releases them as needed by the body. The hypothalamus and the pituitary gland help control the thyroid ...

An ultrasound is a painless procedure that uses sound waves to generate images of the inside of your body. Your doctor will often use an ultrasound to create images of a fetus during pregnancy. A ...

Of the four main types of thyroid cancer, the vast majority are differentiated thyroid cancer (DTC). Radioiodine (I-131) therapy has been used in the management of patients with DTC since the first ...

ORLANDO, Fla. — Steering clinicians toward a cascade approach for thyroid function testing cut unnecessary orders by a monthly average of 15% and concurrent orders by 19% per month, according to ...

Please provide your email address to receive an email when new articles are posted on . A 46-year-old Asian woman was seen in the endocrine clinic for evaluation of a goiter. She was originally from ...

What does your thyroid do? Your thyroid gland influences almost all metabolic processes in your body through the hormones it makes. Your thyroid gland is part of your endocrine system. When your ...