A patient presents with pain in the thigh, relieved by aspirin. X-ray shows a radiolucent mass surrounded by sclerosis. Diagnosis is ?
Ans. is 'b' i.e., Osteoid osteoma Radiolucent lesion with surrounded sclerosis and pain relief by a salicylate (aspirin) are characteristics of osteoid osteoma.
Osteoma
Osteoid osteoma
Osteoblastoma
Osteoclastoma