Malignant fibrous histiocytoma

Undifferentiated pleomorphic sarcoma, previously malignant fibrous histiocytoma, is a type of cancer, namely a soft-tissue sarcoma. It is considered a diagnosis of exclusion for sarcomas that cannot be more precisely categorized. [Source: Wikipedia ]

OrphaNet reference
Malignant fibrous histiocytoma 
May Cause
Abdominal wall mass
Anterior mediastinal lesion
Blow-out bone lesion
Bone blister
Bone lesion with fluid-fluid level
Bone sequestrum
Chest wall lesion
Cystic soft-tissue tumor
Diametaphyseal bone lesion
Diaphyseal bone lesion
Extratesticular tumor in scrotum
Fibrous tumor
Ill-defined lytic jaw lesion
Intramuscular soft-tissue tumor
Large destructive bone lesion
Localized soft-tissue calcification
Long rib lesion
Loss of inner cortical bone margin
Lytic vertebral lesion
Malignant primary bone neoplasm
Mass in inferior vena cava
Metaphyseal bone lesion
Nasopharyngeal lesion
Osteolytic lesion with calcium attenuation
Permeative osteolytic lesion
Radiolucent skull lesion
Renal parenchymal tumor
Sacral neoplasm
Scapular lesion in an infant or child
Sinonasal lesion
Sinus disease with bone destruction
Soft-tissue mass with adjacent bone erosion
Soft-tissue tumor in a child
Soft-tissue tumor in a young adult
Soft-tissue tumor in an older adult
Soft-tissue tumor with associated calcification
Soft-tissue tumor with fluid-fluid level
Soft-tissue tumor with prominent vascularity
Solid mesenteric lesion
Solitary bone lesion with expansile remodeling
Solitary ill-defined lytic metaphyseal lesion
Solitary large calcified soft tissue mass adjacent to bone
Solitary lytic diaphyseal bone lesion
Solitary osteolytic skull lesion
Solitary permeative metaphyseal lesion
Solitary poorly demarcated osteolytic bone lesion
Solitary well-demarcated lytic bone lesion
Subcutaneous tumor
T2-hypointense musculoskeletal lesion
Tumor-induced osteomalacia
Tumor-like bone destruction with little periosteal reaction
Tumor-like bone surface lesion
Vertebral neoplasm
May Be Caused by
Hardcastle syndrome