(b) Intraductal papilloma shows papillary structure of ductal epithelial cells with fibrovascular cores and some background dispersed myoepithelial cells (×40). (c) Reparative changes in a case ...

Papillary thyroid carcinoma is the most common type of cancer to affect your thyroid-- a butterfly-shaped gland that sits just below your voice box. It's only about as big as a quarter, but the ...