Most common Thyroid CA post radiation exposure -
Papillary CA
Medullary CA
Follicular CA
None
Ans. is 'a' i.e., Papillary CA o Radiation induced thyroid carcinoma is papillary carcinoma."Papillary carcinoma accountsfor 80% ofall thyroid malignancies in iodine sufficient areas and is the predominant thyroid cancer in children and individuals exposed to external radiation
Thyroid and Parathyroid