Fibrous cortical defect (MRI)
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Diagnosis almost certain
Presentation
Leg pain
Patient Data
Age: 15 years
Gender: Male
From the case:
Fibrous cortical defect (MRI)
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Eccentric metaphyseal lesion is noted at distal of tibia which is hypointense in all pulse sequences. It is surrounded by peripheral hypointense rim in STIR from reactive sclerosis . No periosteal elevation or cortical destruction.
Case Discussion
Fibroxanthoma is a benign fibrous defect comprised of the fibrous cortical defect (< 2-3 cm) and non-ossifying fibroma NOF (> 2-3 cm).
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