Secondary osteosarcoma is associated with: (A) Paget's disease, (B) Osteogenesis imperfect, (C) Melhoreostosis, (D) Anklyosing spondylitis
Answer is A. Causes of secondary osteosarcomaPaget&;s DiseaseFibrous dysplasiaRadiationEnchondromatosisHereditary multiple exostosesChronic osteomyelitisBone infarction (Refer: Manish Kumar Varshney's Essential Ohopedics Principles & Practice, 1st edition, pg no. 191, 192)