What is a malignant lymphoma, malignant lymphoma (malignant lymphoma) is the primary in the lymph nodes and other organs of the lymphatic tissue cancer, malignant disease of the hematopoietic system, sub-Hodgkin's lymphoma (Hodgkins lymphoma, HL) and non-Huo Odd lymphoma (Non-Hodgkin's lymphoma, NHL) two broad categories. In recent years, rapid increase in incidence of lymphoma. HL about 90% originated in the lymph nodes, only 10% originated from extranodal lymphoid tissue; the NHL is about 60% originated in the lymph nodes, 40% originated from extranodal lymphoid tissues. Such as the use of timely and reasonable treatment, HL cure rates of up to 80% or more, to the best current treatment of malignant tumors. NHL, the prognosis is poor, but also some can be cured. With the deepening of malignant lymphoma, the current pathological diagnosis of lymphoma type, stage, treatment and diagnosis of residual disease with a greater array of progress are many, to improve the cure rate of lymphoma great significance.
The incidence of NHL is approximately 8 times the HL 2004, new cases, the United States more than 50,000 cases, China is estimated that over 40,000 cases. The incidence of NHL increased rapidly, and this growth can not be explained by the prevalence of AIDS. Small lymphocytic lymphoma occurs mainly in the elderly; lymphoblastic lymphoma occurs mainly in young men and young adults; follicular lymphoma occurs mainly in middle-aged; Burkitt lymphoma occurs mainly in children and young adults.
What is a malignant lymphoma in the United States, there are around 7,000 new issue of HL patients, all of the new year about 1% of malignant tumors. Developed countries in Europe and America, HL age of onset showed two peaks, the first peak in the 20' – '"30-year-old age group, of which the most common nodular sclerosis, and the second peak appeared in the 50-year-old later. For developing countries, including China, HL incidence curves of age of a first peak is missing, but the boy suffering from mixed cell-type HL and HL lymphocytes reduce the incidence rate was significantly higher. 85% of children HL occurred in boys; HL nodular sclerosis in adults, women were slightly more than male patients; and other types of HL in adults, men will have much higher than the proportion of patients with female patients.