Medically reviewed by Isabel Casimiro, MD, PhD Thyroid nodules are lumps (growths) made up of abnormal cell clusters that ...

represent 15 to 37 percent of all surgical excised thyroid nodules. [1 5] CTNs include true or simple thyroid cysts, with an epithelial lining, and mixed nodules with a predominantly fluid component.

If they continue to grow larger, they can become a nodule cyst, Crutchfield says, which is usually painful. Nodules typically need stronger treatment than what over-the-counter products provide.

The median cost of PEI treatment of cysts was 238 (119 x 2) euros versus 2,500 euros for surgery. The median costs of PEI treatment of AFTN and toxic nodule were 476 and 595 euros, respectively ...