This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Adrenal Gland, Subject name: Medicine
[{'content': 'Which is the best imaging modality in pheochromocytoma? \nSelect and explain. \nA. MIBG Scintigraphy, B. Somatostatin Scintigraphy, C. PET DOPA, D. MRI abdomen', 'role': 'user'}, {'content': 'Answer: D \nExplanation: MRI Abdomen has higher sensitivity than the remaining choices. Imaging Sensitivity Specificity CT ++++ +++ MRI ++++ +++ MIBG scintigraphy +++ ++++ Somatostatin receptor scintigraphy ++ ++ Fluoro - DOPA PET/CT +++ ++++', 'role': 'assistant'}]