Lymphedema is a chronic condition in which swelling occurs because lymph fluid cannot move properly through the lymphatic system. When lymphatic vessels or lymph nodes are malformed, damaged, or disrupted, fluid can build up in surrounding tissues and cause persistent swelling.
Lymphedema is not a defining feature of isolated lymphatic malformations (LMs). In individuals with complex lymphatic anomalies (CLAs), lymphedema may develop when lymphatic involvement is more widespread or when normal drainage pathways are impaired. Not everyone with an LM or CLA develops lymphedema, and symptoms can range from mild to more significant.
possible symptoms
Symptoms vary in severity. Some individuals have mild swelling, while others may experience:
- persistent swelling, most commonly in the legs or feet, but sometimes in the arms or other areas of the body
- a feeling that clothing, shoes, jewelry, or compression garments fit more tightly than usual
- a feeling of heaviness or tightness in the area of swelling
- reduced flexibility or range of motion in the limb
- skin thickening over time in the area of swelling
- recurrent skin infections, such as cellulitis
why it may come up in LM or CLA care
Because LMs and CLAs involve the lymphatic system, some people may develop problems with lymphatic drainage over time. When lymph fluid cannot move efficiently through the body, swelling may occur.
Not all swelling is lymphedema. New or progressive swelling may prompt clinical evaluation to determine whether lymphedema or another cause is present.
evaluation
Lymphedema is usually diagnosed based on symptoms, physical examination, and medical history. In some cases, imaging may be recommended to evaluate lymphatic drainage and help determine the cause of swelling. Additional testing may be considered when the diagnosis is unclear or when other causes of swelling need to be ruled out.
management
Management depends on the severity and location of swelling. Treatment may include:
- compression garments or compression therapy
- specialized lymphatic massage (manual lymphatic drainage)
- exercise and movement programs
- skin care to reduce the risk of infection
- early treatment of skin infections since recurrent infections can worsen swelling over time
- self-management strategies at home
In some situations, surgical approaches may be considered. Treatment should be guided by healthcare professionals experienced in lymphatic disorders.
While lymphedema is a chronic condition, many people are able to manage symptoms successfully with appropriate treatment, self-care, and ongoing support from experienced healthcare providers.
Important to Know
Not every patient will develop lymphedema. Care is individualized and guided by symptoms and clinical findings.
To learn more about lymphedema care, visit the National Lymphedema Network.
