Which of the following is not true about medullary carcinoma of thyroid -: (A) Origin is from `C' cells of thyroid, (B) Component of MEN-1, (C) Multicentric in origin, (D) Amyloid deposition
Answer is B. Medullary thyroid carcinoma is associated with MEN 2 (2A & 2B), and not with MEN-1.
When medullary thyroid carcinoma occurs as a part of MEN syndrome, it may be multicentric.