Thyroid Nodules- Types of Thyroid Nodules and Treatments
A thyroid "nodule" is a localized "swelling" or "lump" within the thyroid gland . A thyroid nodule can be single or multiple in which case it is part of a "multinodular goitre". Multinodular goitre is not uncommon in older people and often causes no symptoms. Single nodules are also common, affecting perhaps 5% of the population - although most of those affected are not aware that there is anything wrong with their thyroid gland. The percentage of the population with thyroid nodules is higher if ultrasound is used to detect their presence. There are many causes of single nodules in the thyroid gland. Although cancer is uncommon, it is the main reason to investigate thyroid nodules. Types of Thyroid Nodules The single thyroid nodule is usually one of four things: a fluid-containing cyst; a degenerated benign tumour/adenoma; a slowly growing adenoma; a small percentage is malignant(5-10 %). Because the rest of the thyroid gland is usu