Which of the following statements regarding medullary carcinoma of the thyroid are true?
A. Approximately 75% of all cases are hereditary
B. The overall 10-year survival rate is less than 10%
C. Medullary carcinoma of the thyroid is associated with both multiple endocrine neoplasia IIa (MEN IIa) and multiple endocrine neoplasia IIb (MEN IIb) syndromes
D. Prophylactic total thyroidectomy is recommended for MEN IIa and MEN IIb patients after the age of 10 years
Answer:C
Which of the following statements regarding medullary carcinoma of the thyroid are true?
A. Approximately 75% of all cases are hereditary B. The overall 10-year survival rate is less than 10% C. Medullary carcinoma of the thyroid is associated with both multiple endocrine neoplasia IIa (MEN IIa) and multiple endocrine neoplasia IIb (MEN IIb) syndromes D. Prophylactic total thyroidectomy is recommended for MEN IIa and MEN IIb patients after the age of 10 years