Lymphomas are tumours that develop in the lymphatics, which is part of the immune system. They are classified as either Hodgkin’s lymphomas or Non-Hodgkins lymphomas.
Most lymphomas are Non-Hodgkin’s, accounting for approximately 80%. Hodgkin’s lymphomas contain B lymphocytes, also known as Reed Sternberg cells which are a type of white blood cell that has become malignant.
The B lymphocytes multiply abnormally and collect in areas such as the lymph nodes. (Although lymphomas are rare in adults, they are the 3rd most common childhood cancer, accounting for 11% of all childhood cancers. The male to female ratio in children is 2:1 and the highest incidence is between the ages of 10 and 14 years. The lymphomas are 50% Hodgkin’s and 50% Non-Hodgkins, their treatment will vary from adults but it is still predominately chemotherapy).
There are two types of Lymphonas: