False about medullary cancer thyroid
Ans. (d) These cancers take up Radio iodineRef: Bailey and Love 27th Edition Page 820* Medullary thyroid cancers are not hormone dependent (Not TSH dependent)* They don't take up RAI* Differentiated thyroid Cancers - Papillary and follicular take up Radio active iodine and used in cases of treatment of high risk cases.
Secrete Calcitonin
20-25% are familial
Diarrhea are seen in 30%
These cancers take up Radioactive Iodine
Thyroid Gland