Osteoid Osteoma
Definition
Benign, bone-forming neoplasm
- characterized by a small nidus of neoplastic tissue
- surrounded by a wide zone of mature, reactive bone
Epidemiology
10% of benign bone tumours
Age 5-25
M:F 2:1
Aetiology
Unknown
- thought may be glomus tumour of bone
Pain secondary to prostaglandin production