Cancer of the Lymphnodes
This report will describe the function and role of the Lymphatic System for a healthy person, and also the effect of the Lymphatic System when the Lymphnode are infected by cancer.
Blood consists of blood cells and plasma. Plasma is the straw coloured fluid part of the blood which blood cells use to travel around the body.
Blood Cells and Haemoglobin
Red cells contain haemoglobin, which transports oxygen from the lungs to all parts of the body. Haemoglobin also carries carbon dioxide to the lungs where it can be breathed out. Red cells are numerous in numbers and the quantity of the blood that is dominated by red cells is called the haematocrit.
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When an infection occurs for example a sore throat, you will notice that the lymph nodes under your jaw bone become swollen and tender. This is because the lymphocytes which live there become activated and multiply in reponse to the lymphocytes which live there become triggered and multiply in response to the virus or bacteria causing the infection.
Lymphoma is the general term for cancers that develop in the lymphatic system. Lymphoma originates in developing B-lymphocytes and T-lymphocytes, which have gone through a malignant change. This means that they multiply without any proper order, they form tumours which are a collection of cancer cells. These tumours cause swelling in the lymph nodes and other parts of the body. Over time, malignant lymphocytes called lymphoma cells crowd out normal lymphocytes and eventually the immune system becomes weakened and can no longer function properly.
The signs and symptoms of Lymhoma
Some people donâ€™t have any symptoms when they are first diagnosed with lymphoma. In these cases the disease may be picked up incidentally, for example during a routine chest x-ray.
Lymphoma normally presents as a firm usually painless swelling of a lymph node (swollen glands) usually in the neck, under the arms or in the groin. Swollen nodes often results from an infection, for example a sore throat. In this case the nodes in the neck are usually swollen and painful.
Other symptoms may include
* persistent fevers
* excessive sweating...