Diaphyseal Medullary Stenosis-Bone Malignancy Syndrome, also known as diaphyseal medullary stenosis-malignant fibrous histiocytoma syndrome, is related to diaphyseal medullary stenosis with malignant fibrous histiocytoma and malignant fibrous histiocytoma. An important gene associated with Diaphyseal Medullary Stenosis-Bone Malignancy Syndrome is MTAP (Methylthioadenosine Phosphorylase). Affiliated tissues include bone.