- Lymphedema occurs when lymphatic fluid accumulates in the soft tissue in certain parts of the body, usually in one or more of the arms or legs.
- The condition can be inherited or caused by an injury to the lymphatic system. In developed countries, lymphedema is most commonly caused by cancer treatments that involve the lymph nodes or by surgical procedures that interrupt normal lymph drainage.
- Management of lymphedema centers around relief of swelling and meticulous skin care.
- Lymphedema is either inherited or acquired. The inherited condition is called primary lymphedema. It usually appears during adolescence and causes swelling in the foot or calf. Acquired lymphedema is known as secondary lymphedema. This condition is caused by injury to the lymphatic system and is far more common than primary lymphedema.
The symptoms of lymphedema should be reported to a physician immediately. These symptoms include:
- Aching, weakness, redness, or a feeling of heaviness or tightness in a limb
- Decreased flexibility in the wrist or ankle
- Tight-fitting rings or shoes
Causes & Risk Factors
Secondary lymphedema most commonly results from a surgery or radiation treatment that’s undergone for certain types of cancer. Other causes of lymphedema include:
- Vein stripping
- Surgery on the blood vessels in the limbs
To diagnose lymphedema, physicians perform a complete history and physical exam and ask the patient to describe symptoms. To distinguish lymphedema from similar conditions, physicians may use the following imaging techniques:
- Magnetic resonance imaging (MRI)
- Computed tomography (CT) scanning
- Duplex ultrasound
People who know they are at risk for developing lymphedema can take measures to prevent onset, and those with a mild case can take measures to keep the condition from worsening. These measures include:
- Cleaning the affected limb regularly, carefully drying it off, and applying lotion
- Wearing gloves while gardening and cooking
- Shaving with electric razors
- Not going barefoot
- Not crossing legs while sitting
- Not carrying a handbag with an affected arm
There are not currently any commonly accepted standards for successful treatment, and much research on the subject remains to be conducted. However, a systematic effort that combines treatments with a maintenance program (called complex decongestive therapy) can be of great benefit. These treatments may include:
- Manual lymphatic drainage
- Specialized exercises while wearing compression stockings or bandages
- External pumps to aid movement of fluid through the body
Lymphedema is currently not treatable with medication.
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Medical Review Date: June 12, 2009 / Copyright © 2012 NorthPoint Domain, Inc. All rights reserved. This material cannot be reproduced in digital or printed form without the express consent of NorthPoint Domain, Inc. Unauthorized copying or distribution of NorthPoint Domain’s Content is an infringement of the copyright holder’s rights.