<unk>  is an uncommon osteoid tissue-forming primary neoplasm of the bone. It has clinical and histologic manifestations similar to those of osteoid osteoma; therefore, some consider the two tumors to be variants of the same disease, with<unk>  representing a giant osteoid osteoma. However, an aggressive type of<unk>  has been recognized, making the relationship less clear. Although similar to osteoid osteoma, it is larger (between 2 and 6 cm).
Osteoblastoma
Osteoma
Osteochondroma
Osteosarcoma
Enchondroma
Bone cyst
Osteoid osteoma
Brown tumor