Has a bad prognosis
Anaplastic
Spreads mainly via blood
Follicular (follicular flows)
Has a relationship with MEN
Medullary
Occurs in iodine rich areas of the thyroid gland
Papillary
Psammoma calcification is diagnostic
Papillary thyroid carcinoma
Associated with a raised calcitonin levels
Medullary
Affects younger patients, has a good prognosis
Papillary