eMedicine Specialties > Radiology > Musculoskeletal
Fibrous Cortical Defect and Nonossifying Fibroma: Multimedia
Updated: Aug 18, 2009
Multimedia
 | Media file 1: Anteroposterior radiograph of the distal femur shows a solitary corticate lucent lesion within the posteromedial distal femoral cortex; this finding is consistent with a fibrous cortical defect. |
 | Media file 2: Oblique (45°) radiograph of the distal femur best depicts the fibrous cortical defect. No soft-tissue mass or periosteal reaction is present. |
 | Media file 3: Anteroposterior image of the distal femur in an 8-year-old boy. Pain in the distal femur led to imaging. Cortical irregularity is present at the distal medial femoral metaphyseal cortex, which suggests cortical avulsive injury rather than fibrous cortical defect. |
 | Media file 4: Coronal proton density–weighted MRI of the distal femur shows a fibrous cortical defect with a low signal intensity peripheral rim and its intracortical nature and subtle, central, intermediate signal intensity. |
 | Media file 5: Coronal inversion-recovery MRI of the distal femur shows a fibrous cortical defect with a low signal intensity border and a central area with heterogeneous high signal intensity. No edema or cortical irregularity is present. |
 | Media file 6: Anteroposterior radiograph of the distal tibia shows a solitary, small, well-defined lucent lesion in the lateral distal tibial metadiaphysis that abuts the cortex. This finding is consistent with a benign fibrous cortical defect or nonossifying fibroma. Note the lack of multiple lobulations in this early lesion. |
 | Media file 7: Anteroposterior radiograph of the distal tibia shows a lobulated well-circumscribed nonossifying fibroma that is eccentrically located within the distal tibia metadiaphysis. Peripheral sclerotic border with a central lucency is typical of this lesion. |
 | Media file 8: Anteroposterior radiograph of the distal tibia and fibula shows an expansile corticate lytic nonossifying fibroma within the distal fibular metaphysis with prominent expansion in the small tubular bones. A second nonossifying fibroma within the distal lateral tibial metaphysis in this patient with multiple nonossifying fibromas is noted. No clinical symptoms were present in this patient, and Jaffe-Campanacci syndrome could not be confirmed. |
 | Media file 9: Anteroposterior radiograph of the distal tibia and fibula obtained later in same patient as in Image 7 demonstrates increased sclerosis and thickening of the peripheral rim of both lesions and increased heterogeneous central opacity; this finding is consistent with the natural growth pattern of these fibrous lesions. |
More on Fibrous Cortical Defect and Nonossifying Fibroma |
| Overview: Fibrous Cortical Defect and Nonossifying Fibroma |
| Imaging: Fibrous Cortical Defect and Nonossifying Fibroma |
| Follow-up: Fibrous Cortical Defect and Nonossifying Fibroma |
 Multimedia: Fibrous Cortical Defect and Nonossifying Fibroma |
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| Further Reading |
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References
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Further Reading
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Keywords
fibrous cortical defect, nonossifying fibroma, fibroxanthoma, NOF, FCD, benign fibrous histiocytoma, metaphyseal fibrous defect, metaphyseal supracondylar cortical defect, developmental defect, cortical avulsive irregularity, subperiosteal desmoid, periosteal desmoid, periostitis ossificans, cortical desmoid, cortical avulsive injury
