Secondary osteosarcoma are associated with: (A) Paget's disease, (B) Osteogenesis imperfecta, (C) Melhoreostosis, (D) Ankylosing spondilitis
Answer is A. Answer- A. Paget's diseaseCauses of secondary osteosarcomaPagets DiseaseFibrous dysplasiaEnchondromatosisHereditary multiple exostosisRadiationChronicosteomyelitisBone infarction