This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Radiology
[{'content': "The below abnormality in x-ray skull can be seen in the following conditions except \nSelect and explain. \nA. Multiple Myeloma, B. Histiocytosis X, C. Hyperparathyroidism, D. Paget's disease", 'role': 'user'}, {'content': 'Answer: D \nExplanation: .', 'role': 'assistant'}]