Chondrosarcoma. These tumors develop from cartilage cells. Ewing’s sarcoma. This subtype arises from very primitive cells in the body. It can start in either soft tissue or bone. Fibrosarcoma. This is cancer of fibrous tissue. Malignant peripheral nerve sheath tumor. These tumors arise out of nerves or related tissue outside of the brain and spinal cord.
The cause of Ewing sarcoma is unknown. Though Ewing sarcoma arises from specific types of cells, it doesn't appear to be inherited. Risk factors. No clear risk factors for Ewing sarcoma are known. Complications. Ewing sarcoma can spread from where it started to other areas, making treatment and recovery more difficult.
Fibroblastic sarcoma includes: Malignant fibrous histiocytoma; Myxofibrosarcoma; Fibrosarcoma; Dermatofibrosarcoma; Fibroblastic sarcoma develops in the fibrous tissues within the body. It is most commonly found in the limbs, skin (dermofibrosarcoma) and in the trunk.
Liposarcoma is a malignant tumor that arises from mesenchymal cells (specifically, abnormal fat cells in deep soft tissue that multiply in an unregulated manner), mainly affecting middle-age people at sites such as the thigh, gluteal region, retroperitoneum, and leg and shoulder area.
Undifferentiated Pleomorphic Sarcoma Research. The Liddy Shriver Sarcoma Initiative is pleased to support UPS/MFH research. UPS is a rare tumor that usually affects adults. Treatment options include surgery, radiation therapy and chemotherapy. These treatments can increase survival but can also be very hard on the body.