This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pancreas, Subject name: Surgery
[{'content': 'A patient presented with pentad of symptoms- i.e., kidney stones, painful bones, abdominal groans, psychic moans, and fatigue overtones. The imaging investigation done for him is shown below. What is this investigation \nSelect and explain. \nA. Tc 99 m Sestamibi scan, B. Sulphur Colloid Scan, C. MIBG scan, D. VMA scan', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Tc 99m Sestamibi scan* Scan used to localise the Parathyroid adenoma is Sestamibi scan.* This image shows Ectopic parathyroid adenoma in mediastinum', 'role': 'assistant'}]