in iodine trapping, iodide is brought into the __ __ by the sodium/iodide symporter (NIS)
follicular cells
iodine is transported out of the follicular cell into the lumen-colloid by
pendrin (transporter)
MC thyroid ca MC in young women that grows slowly and can be cured
papillary
2nd MC thyroid ca, women 50+ that grows slowly
follicular
uncommon thyroid ca of the C cells that grows slowly and involves gene RET change
medullary
least common thyroid ca in 60+ yo that grows FAST
anaplastic