FNAC is least diagnostic in which thyroid carcinoma:
Ans. is 'c' Follicular CaFNAC is the best investigation for the diagnosis of all thyroid carcinomas except follicular carcinoma.It cannot differentiate b/w follicular carcinoma and follicular adenoma. The definitive diagnosis of carcinoma is made when capsular and vascular invasion by the carcinoma is revealed.
Anaplastic
Papillary
Follicular
Thyroiditis
Thyroid and Parathyroid