Fig. 13From: Fibrous dysplasia for radiologists: beyond ground glass bone matrixAge-related changes in fibrous dysplasia (FD). CT of the head on the same patient at age of 6 (a), 7 (b) and 14 years (c). Diffuse FD involvement with homogenous “ground glass” appearance (green arrows), which demonstrates the tendency to develop cystic lesions and become more heterogeneous with time (green arrows)Back to article page