All are predisposing factors of Osteogenic sarcoma except: (A) Pagets disease of bone, (B) Radiation, (C) Viral infection, (D) Bone infection
Answer is C. Causes of secondary Osteosarcoma Paget disease. Radiation Fibrous dysplasia Enchondromatosis Multiple osteochindroma Bone infraction Chronic osteomyelitis Refer Maheshwari 9th/e p 239