Musculoskeletal #9 – Flashcard

12-year-old boy, asymptomatic:

Radiograph a

Radiograph b

What do you see?

Lytic lesion on distal fibular metaphysis with well-defined sclerotic borders is seen on both anteroposterior (a) and oblique (b) radiographs

What do you see?

NOF: non ossifying fibroma

– Most common fibrous bone lesion
– Same as fibrous cortical defect but larger version
– If large enough, may cause pathological fractures
– One of DON’T TOUCH lesions

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