This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
FNAC is the IOC is given below thyroid conditions except 
Select and explain. 
A. Papillary carcinoma, B. Medullary carcinoma, C. Anaplastic carcinoma, D. None of the above
C: Anaplastic carcinoma
Answer: C: Anaplastic carcinoma 
Explanation: FNAC is the IOC for most of thyroid disorder except Anaplastic carcinoma. Thyroid lymphoma & Reidel's thyroiditis where "tru - cur biopsy" is the investigation of choice.