What Do Lymph Nodes Do?
Reviewed: Dr. Gromatzky
10. Lymphedema
Edema is a relatively common condition that is often caused by a problem with the cardiovascular system. It results in a swelling of the arms and/or legs as a result of excess fluids accumulating under the effect of gravity. Lymphedema is a very similar condition, with almost identical symptoms, but it is caused by a different mechanism.
Lymphedema occurs when there is a blockage of sorts in the lymphatic system. It can occur for a number of reasons, including diseases and injuries that can cause damage to the system. In cases of some cancers, some lymph nodes might be removed, and this can also lead to lymphedema.
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