All of the thyroid tumor arises from follicular epithelial cell except:: (A) Papillary carcinoma, (B) Follicular carcinoma, (C) Medullary carcinoma, (D) Anaplastic carcinoma
Answer is C. - Medullary Cancer arises from parafollicular cells or 'C' cells of thyroid associated with secretion of calcitonin. - Remaining all variants ; papillary, follicular, anaplastic thyroid cancers arise from follicular epithelial cells of thyroid