Source:http://linkedlifedata.com/resource/umls/id/C0206645
MSH: A extremely rare bone tumor characterized by abundant collagen formation and a fibrous stroma, without evidence of mitosis or pleomorphism. It appears on x-rays as an osteolytic lesion with well-defined margins and must be differentiated from primary fibrosarcoma of bone. (DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1441),NCI: A benign neoplasm characterized by osteolysis and the presence of a rich collagenous stroma and spindle cells.,NCI: A rare benign osteolytic neoplasm. It is characterized by the presence of a rich collagenous stroma and spindle cells with minimal cellular atypia.