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Polyostotic lesions compatible with osteofibrous dysplasia. A case report
1Department of Orthopaedic Surgery, Okayama University Medical School, Japan.
Archives of Orthopaedic and Trauma Surgery
|January 1, 1993
Summary
Osteofibrous dysplasia, a bone disorder, can affect multiple long bones. Lesions in a young girl resolved spontaneously or after treatment, suggesting systemic potential.
Area of Science:
- Orthopedic Surgery
- Pediatric Radiology
- Skeletal Dysplasias
Background:
- Osteofibrous dysplasia is a rare, benign bone lesion typically affecting the long bones of the lower extremities.
- It is characterized by a mixture of fibrous tissue and woven bone, often presenting with a "zonal architecture" on histopathology.
Observation:
- This report details an 18-month-old girl with cortical bone lesions in the bilateral tibiae and ulnae, and the right fibula.
- The lesion in the right tibia was treated with curettage and xenogeneic bone grafting.
- Other lesions resolved spontaneously by age 12.
Findings:
- Histopathological examination of the right tibia lesion revealed "zonal architecture" and osteoblast rim formation around trabeculae, consistent with osteofibrous dysplasia.
- The treated lesion demonstrated successful healing post-intervention.
- Spontaneous resolution of other lesions indicates a variable clinical course.
Implications:
- This case suggests that osteofibrous dysplasia may have a systemic distribution, potentially affecting multiple long bones.
- The findings support the possibility of spontaneous regression in some cases.
- Further research is warranted to understand the full spectrum and potential systemic involvement of osteofibrous dysplasia.