McCune-Albright Syndrome (MAS) “is defined as the combination of FD and one or more extra skeletal feature, OR the presence of two or more extra skeletal features,” including café-au-lait skin pigmentation and endocrinopathies such as, growth hormone excess, hyperthyroidism, hypercortisolism, and renal phosphate wasting [3]. The gene discussed is GH1; the disease is McCune-Albright syndrome.