A 19 yrs old male has a small circumscribed sclerotic swelling over diaphysis of femur, likely diagnosis is:: (A) Osteoclastoma, (B) Osteosarcoma, (C) Ewing's sarcoma, (D) Osteoid osteoma
Answer is D. Sclerotic lesion over diaphysis of a long bone in a young patient indicative of osteoid osteoma. Ref: Essential Ohopedics By Maheshwari 2nd Edition, Page 213