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
Osteosarcoma characteristically may develop in some cases of 
Select and explain. 
A. Osteopetrosis, B. Osteogenesis irnperfecta, C. Acromegaly, D. Osteitis deformans
D: Osteitis deformans
Answer: D: Osteitis deformans 
Explanation: None