What is a sarcoma

Sarcomas are malignant tumors of mesenchymal tissue, including connective tissue and muscle. Can occur in various parts of the body, common in the deep limb, such as subcutaneous, periosteum and long bone ends. If osteosarcoma with young people for many, good hair at limbs, rapid development, short course of disease. Common still have sarcoma of smooth flesh tumor, lymphatic, synovial membrane. Hematogenous metastasis can occur early. Sarcomas occur in 15-20% of childhood tumors and 1% of human tumors. Millions of patients and their families around the world are battling sarcoma. Due to lack of awareness of sarcomas, early clinical symptoms are not taken seriously, resulting in 60% of patients being treated at intermediate and advanced stages. And its early symptom is not obvious, and often misdiagnosed as damage or arthritis, etc., 50% of patients because of the norms cannot receive timely diagnosis and treatment and delay treatment, definite diagnosis, tumor often large, surgical removal of the difficulties or have shift, face because of postoperative local recurrence were forced to amputation or transfer occurs far life-threatening double threat. Sarcoma patient comes on inchoate limb often has irregular concealed pain unwell, have nothing to do with motion, painful at night apparent. Swelling, swelling, accompanied by skin temperature rise, vein rage, such as performance. When the tumor is increasing and the symptoms are aggravating, it is necessary to visit the bone tumor specialist in each hospital in time. Due to the complexity of classification and diagnosis of sarcoma, it is difficult to make a correct diagnosis only by clinical examination and imaging. Biopsy is the necessary way to diagnose most sarcoma, which can be said to be the "gold standard" of sarcoma diagnosis. Biopsy is divided into needle biopsy and open biopsy. Open biopsy is usually performed after the failure of the puncture biopsy, with an incision of about 6-8 cm. The wound is large and recovery is slow. In some hospitals, it is difficult to perform limb salvage surgery after open biopsy, which makes patients lose the opportunity of limb salvage. Puncture biopsy is the use of thick trocar, has the advantages of low cost, less trauma, quick recovery and other advantages, the second day after the puncture can be used chemotherapy drugs, this method is more popular. The earlier sarcoma is found, the higher the cure rate. Standardized comprehensive treatment is the key to cure sarcoma. The first diagnosis and treatment is directly related to whether patients can retain limb function, and the best time for treatment is the first operation. After surgery combined with radiotherapy and chemotherapy, the safe limb saving rate reached more than 90%.

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