In treatment of papillary carcinomas thyroid, radioiodine destroys the neoplastic cells predominantly by:
Ans. (b) Beta raysRef: Schwartz 10th edition, Page 1546* I-131 emits Beta radiation and penetrates the thyroid tissue up to 0.5mm without damaging the adjacent structures like parathyroid.
X-rays
Beta rays
Gamma rays
Alpha particles
Thyroid Gland