Presentation
Pain around left knee.
Patient Data
Age: Young adult
From the case:
Osteoblastoma
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An expansile lesion involving the proximal fibula has irregular periosteal reaction and is mostly lytic with a small area of central calcification. No involvement of the adjacent tibia. No convincing soft tissue mass.
From the case:
Osteoblastoma
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Delayed bone scan images demonstrate marked activity in the proximal fibula. No other lesions.
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Postoperative x-rays of the knee. The patient went on to have a curettage and bone graft of the lesion.
Case Discussion
This case demonstrates appearances of an osteoblastoma which was confirmed histologically.
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