Which of the following condition is considered as a premalignant condition for secondary osteosarcoma?
Pre-malignant bone lesions of secondary osteosarcoma : Paget's disease Diaphyseal aclasis Enchondromatosis Post-radiation Fibrous dysplasia Reference: Maheshwari; Essential Ohopaedics 9th ed; Page no: 242
Paget's disease
Enchondromatosis
Diaphyseal aclasis
All of the above
Tumors