Cystic Angiomatosis of Bone, Diffuse, also known as gorham-stout disease, is related to glycogen storage disease iv and glycogen storage disease ib. An important gene associated with Cystic Angiomatosis of Bone, Diffuse is RASA1 (RAS P21 Protein Activator 1). The drug Endothelial Growth Factors has been mentioned in the context of this disorder. Affiliated tissues include bone and spinal cord, and related phenotypes are osteolysis and elevated alkaline phosphatase of bone origin