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?
Correct Answer: Osteoid osteoma
Description: 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.
Category:
Orthopaedics
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