BenignBone
Fibroma of Bone
Synonyms: Non-ossifying fibroma, fibrocortical defect
Benign self-limited lesion
Quick Facts
Behaviour
Benign
Category
Bone
Synonyms
- Non-ossifying fibroma
- fibrocortical defect
Category
Bone
Behaviour
Benign
Gender
M = F
Tissue of Origin
Fibrous
Epidemiology
- Common Benign Fibrous lesion in children and young adults
- Usually incidental finding
- Predilection for distal femur and proximal tibia
Clinical Features
- Usually asymptomatic
- Incidental finding on imaging
- Rarely pathological fracture
Location
- Distal femur
- Proximal tibia
- Other long bones
Imaging
- Plain radiograph: eccentric radiolucent lesion in metaphyseal cortex
- Well-defined sclerotic margin
Pathology
- Benign fibroblasts arranged in fascicles
- Absence of atypia
Genetics
Sporadic
Treatment
- Observation: most regress spontaneously
- Excision if symptomatic or causing pathological fracture
Prognosis
Excellent: typically involute by adulthood
Key Points
- Benign self-limited lesion
- Observation standard of care
Workup - Blood Tests
No blood tests required
Workup - Local Imaging
Plain radiograph: characteristic appearance sufficient
Workup - Biopsy
Rarely required
Workup - Staging
No staging required
Workup - Other
Follow-up imaging only if rapid growth or symptoms
Medical disclaimer
The content on Sarcopedia is for educational and informational purposes only and does not constitute medical advice. It is not intended to be a substitute for professional medical diagnosis or treatment. Always consult with a qualified physician regarding any health concerns or before starting any new treatment. Reliance on any information provided on this site is solely at your own risk.