Pediatric soft tissue sarcoma

Soft tissue sarcoma is a malignant tumor that occurs in connective tissue, including subcutaneous tissue, muscles, tendons, blood vessels, connective tissue space, and cavity organ stroma. Except those that occur in bones, reticular endothelial system, and glial. The cells of soft tissue sarcoma originate from primitive mesenchymal stem cells and are located in non-segmented mesoderm, so they can grow in different parts of the body. The clinical manifestation of soft tissue sarcoma is a mass, but the mass itself is not functional, so symptoms only occur when the mass increases and compresses the surrounding tissue. Including fibrosarcoma, malignant fibrous histiocytoma, liposarcoma, muscle tissue tumor, hemangiopericytoma, angiosarcoma, synovial sarcoma, malignant peripheral nerve sheath tumor, acinar soft tissue sarcoma, epidermoid sarcoma, etc. Section, but without characteristic histochemical or immunological, biological markers. The treatment of soft tissue sarcoma is mainly surgical resection, and the degree of malignancy varies widely. The effects of radiotherapy and chemotherapy are different for each specific tumor.