This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Musculoskeletal system, Subject name: Anatomy
[{'content': 'Mosaic pattern of lamellar bone histology is found in \nSelect and explain. \nA. Osteopetrosis, B. Osteoid Osteoid, C. Osteitis deformans, D. Osteomalacia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Refer Robbins page no 1285 Paget Disease (Osteitis Deformans) Paget disease is a disorder of increased, but disordered and structurally unsound, bone mass. This unique skeletal disease can be divided into three sequential phases: (1) an initial osteolytic stage, (2) a mixed osteoclastic-osteoblastic stage, which ends with a predominance of osteoblastic activity and evolves ultimately into (3) a final burned-out quiescent osteosclerotic stage', 'role': 'assistant'}]