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: Medicine
Localisation of parathyroids in hyperparathyroidism is done best with 
Select and explain. 
A. X ray neck, B. USG neck, C. I131 scan, D. Technetium 99 labelled sestamibi scan
D: Technetium 99 labelled sestamibi scan
Answer: D: Technetium 99 labelled sestamibi scan 
Explanation: None