Radiology On 3 phase 99m Tc – MDP bone scan, which of the following bone lesions will show least osteoblastic activity – A Paget' disease B Osteoid osteoma C Fibrous dysplasia D Fibrous cortical defect 💡 Explanation On 3 phase 99m Tc - MDP bone scan, which of the following bone lesions will show least osteoblastic activity - ✓ Correct Answer: D. Fibrous cortical defect