Co-Existence of Non-Ossifying Fibroma and Osteoblastoma of the Tibia

A 17-year-old male without previous trauma was admitted to the orthopedic outpatient clinic with the complaint of pain in the right knee. Plain radiography indicated a lobule-shaped, lytic lesion with a sclerotic rim in the proximal metaphyseal part of the tibia. Computed tomography revealed a soft tissue lesion …