Radiation exposure (papillary). Populations with low dietary iodine have a higher proportion of follicular and anaplastic cancers.
On April 26, 1986 at 1.23 a.m. the world's 1.23 a.m. the world's worst nuclear disaster worst nuclear disaster took place at the took place at the Chernobyl nuclear Chernobyl nuclear power station in power station in northern Ukraine
„ In differentiated thyroid carcinoma, several classification and In differentiated thyroid carcinoma, several classification and staging systems have been introduced. However, no clear staging systems have been introduced. However, no clear consensus has emerged favoring any one method over another consensus has emerged favoring any one method over another
T4a – includes invasion of subc tissue, trachea, esophagus and RLN T4b – invades prevertebral fascia or encases carotid or mediastinal vessels Level VI (pretracheal, paratracheal, prelaryngeal)
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