A 10-year child presented with a mid tibial swelling which an x-ray revealed a lytic lesion with sclerotic margins. What is the most likely diagnosis?
An osteoid osteoma is a benign bone tumour that arises from osteoblasts and was originally thought to be a smaller version of an osteoblastoma.
Osteoid osteomas tend to be less than 1.5 cm in size.
A tumour can be in any bone in the body but are most common in long bones, such as the femur and tibia.
Eosinophilic granuloma
Osteoid osteoma
Fibrocortical defect
Fibrous dysplasia
Osteoid osteoma