Secondary osteosarcoma are associated with
Answer- A. Paget's diseaseCauses of secondary osteosarcomaPagets DiseaseFibrous dysplasiaEnchondromatosisHereditary multiple exostosisRadiationChronicosteomyelitisBone infarction
Paget's disease
Osteogenesis imperfecta
Melhoreostosis
Ankylosing spondilitis