An<unk>  is a benign (noncancerous) bone tumor that usually develops in the paranasal sinus and facial bones, such as mastoid bone, frontal and maxillary sinus. Although<unk> s can cause pain and discomfort, they do not spread throughout the body.<unk> s can affect people of all ages but they occur more frequently adults.
Osteoma
Osteochondrosis
Osteochondroma
Osteoid osteoma
Osteoblastoma
Osteosarcoma
Osteopetrosis
Aneurysmal bone cyst