Fig. 9From: Fibrous dysplasia for radiologists: beyond ground glass bone matrixThe significance of MRI with diffusion-weighted imaging (DWI) in the patient with polyostotic fibrous dysplasia (FD). CT (a), T2-weighted MRI (b) and DWI (c) show multiple rib lesions (green arrows). The left rib lesion (red arrow) demonstrates restricted diffusion, which requires further evaluation to rule out malignant transformationBack to article page