Osteosarcoma can develop in:
Ans: c (Paget's disease) Ref: Maheswari, 4th ed,p. 221Osteosarcoma can develop secondary to premalignant diseases of the bone.They are usually less malignant & seen in the older age group.Premalignant lesions are:* Paget's disease* Diaphyseal aclasis* Enchondromatosis* Post radiation
Osteoid osteoma
Osteoblastoma
Paget's disease
All of the above
Bone Tumour