Fibrous dysplasia of bone FD is caused by somatic mutations of the GNAS1. Here, patterns of osteoclastogenesis and bone resorption reflect not only the.FIBROUS DYSPLASIA FD is a sporadic developmental disorder characterized by. Biochemical indices of bone turnover are usually high particularly serum. Osteoclasts within the lesions is slightly higher than normal and the number of.Introduction: F...