The most common histologic type of thyroid cancer is
Papillary carcinoma accounts for 80% of all thyroid malignancies in iodine-sufficient areas and is the predominant thyroid cancer in children and individuals exposed to external radiation." The incidence of primary malignant tumours of the thyroid gland Also, remember - Thyroid carcinoma is the most common malignancy of the endocrine system Ref : Schwaz 9/e p1361
Medullary type
Follicular type
Papillary type
Anaplastic type
Endocrinology and breast