The causes of lymphedema are complex and diverse. In some instances, lymphedema can develop due to impaired vein function, which can fatigue the lymphatic system. When the lymphatic system is fatigued it can no longer work as it should to promote circulation of fluid in the body. When this fluid is not circulated, it can begin to collect in a localized area, leading to swelling.
Secondary Lymphedema is the result of an injury to the lymphatic system (such as surgery or cancer-related treatments) which impairs its ability to function, usually resulting in swelling.
In some instances, there is no definitive cause of the lymphedema.
These cases are categorized as Primary Lymphedema.
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