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: Pathology
[{'content': 'Mosaic pattern of lamellar bone is seen in? \nSelect and explain. \nA. Achondroplasia, B. Osteogenesis Imperfecta, C. Osteitis deformans, D. Osteopetrosis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Mosaic pattern of lamellar bone is hall mark of Pagets disease (also called Osteitis deformans)', 'role': 'assistant'}]