Pediatrics Malignancies ddcbc5de Pre-cancerous lesion of bone- A Paget disease B Chronic osteomyelitis C Benign giant cell tumor D Ail of above High-Yield Explanation Ans. is 'd' i.e., All of above Pre-cancerous lesion of boneMultiple exostosesOllier's diseaseBenign giant cell tumorOsteoblastomaChondroblastomaChronic osteomyelitisPaget's disease