Also known as bone cancer osteosarcoma, is the most common primary malignant bone tumor, osteosarcoma with highly malignant progression of the disease quickly. Appeared early metastasis and poor prognosis features. It is produced by malignant tumors of bone sarcoma cells directly and bone-like tissue as the main feature of the malignant bone tumor.
Status osteosarcoma, osteosarcoma is the first to propose the diagnostic criteria appear fully malignant mesenchymal and malignant tissue from the bone-like or directly from bone. Further stressed that osteosarcoma can be seen clearly, "malignant tissue samples directly from bone and bone tissue." But also highly anaplastic tumors, but not identifiable, although the bone-like tissue. However, other histological features were similar to osteosarcoma, also diagnosed with osteosarcoma.
The course of treatment of osteosarcoma, amputation alone rely solely on the past treatment of poor blood in Central Asia since the early clinical micrometastases exist, the survival rate after two years has hovered at around 20%. Osteosarcoma status quo, the 20th century, 80 years later, with improved diagnostic techniques, new development of effective anti-cancer drugs, the use of herbs to strengthen joint multi accumulation of clinical experience of chemotherapy, patients with osteosarcoma of the 2-year survival rate of a substantial increase up to 80%. Because reconstructive surgery and cancer surgery in patients with osteosarcoma of reservations limb surgery has become better and widely accepted method of treatment.
Status osteosarcoma, osteosarcoma accounts for 32.31%. Osteosarcoma is usually more common male, male to female ratio of about 1.6:1. 952 cases of osteosarcoma clinical statistics, 61% men, 39% female, male to female ratio is 1.5-2.1. Osteosarcoma can occur at any age, according to historical records the minimum age of 7 years old, maximum age was 70 years old, occurred in children and adolescents, the peak age of onset in the 1l-20-year-old, followed by 21-30 years of age, 30 years old After the incidence decreased gradually.