Fibrous dysplasia

Fibrous dysplasia
Benign (<1% become malignant) Most commonly in rib, proximal femur and proximal tibia. Pathological fractures can occur. Associated with Albrights syndrome. Lesions can occur in one (monostotic) or more (polyostotic) bones. X-ray – intramedullary lesion that blends with thinned and bulging cortex. May have angular deformity of bone at level of lesion.

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