FNAC is not useful in which thyroid cancer -: (A) Follicular Carcinoma, (B) Pappilary carcinoma, (C) Medullary Carcinoma, (D) Thyroid Lymphoma
Answer is A. Ans. is 'a' i.e., Follicular Carcinoma FNAC in Follicular carcinoma of thyroido It cannot distinguish between a Follicular Adenoma and a Follicular Carcinoma as this distinction is dependent not on cytology but on histological criteria such as capsular and vascular invasion. It thus cannot be used to diagnose follicular carcinomas