Monarch Disease Ontology identifier MONDO_0007205 (diaphyseal medullary stenosis-bone malignancy syndrome) can be described as follows. Diaphyseal medullary stenosis with malignant fibrous histiocytoma is a very rare autosomal dominant bone dysplasia/cancer syndrome characterized clinically by bone infarctions, cortical growth abnormalities, pathological fractures, and development of bone sarcoma (malignant fibrous histiocytoma). Also known as: DMS-MFH, Hardcastle syndrome, Hardcastle's syndrome, bone dysplasia-medullary fibrosarcoma syndrome, diaphyseal medullary stenosis-malignant fibrous histiocytoma syndrome.