Lymphoedema is a type of swelling. It is an accumulation of lymphatic fluid, caused by problem or blockage of the lymphatic system, that mostly occurs in the arms and legs and occasionally in other parts of the body.
Causes of lymphedema include:
- primary lymphoedema - when people are born with an abnormality of the lymphatic system
- secondary lymphoedema - when there is damage to the lymphatic system. Common causes include surgery (including surgical removal of lymph nodes), trauma, radiation or infection.
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Last reviewed: July 2016