This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pathology
Best test to detect benign form malignant thyroid is 
Select and explain. 
A. FNAC, B. CT scan, C. Excision, D. MRI
C: Excision
Answer: C: Excision 
Explanation: Robbins basic pathology 9th edition page no, 729, Answer is option 3,excision Ultimately it is the morphological evaluation of a given thyroid nodule by fine needle aspiration, combined with histological study of surgically resected thyroid parenchyma, that provides the most defenitive information about its nature.