Presentation
Incidental finding (x-rays not available).
Patient Data
Age: 12 years
Gender: Male
From the case:
Fibrous cortical defect
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Small well-defined lobulated cortical lesion of the lateral aspect of the distal tibial diaphysis (length = 22 mm) of heterogeneous low signal on T1 and T2, mixed signal on STIR with a peripheral sclerotic rim of low signal. No soft tissue component or periosteal reaction is seen. Normal appearance of the surrounding soft tissues.
Case Discussion
MRI features of a fibrous cortical defect.
Fibrous cortical defects (FCD) are one of the most common benign bone lesions. They are asymptomatic, discovered incidentally on x-rays, CT or MRI.
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