Lymphedema: Causes, Symptoms, and Treatment Options
What Is Lymphedema?
Lymphedema is a chronic condition characterized by the accumulation of lymphatic fluid in tissues, causing swelling (edema). It occurs when the lymphatic system is damaged or blocked, impairing fluid drainage.
Causes
- Primary lymphedema: Congenital malformation of lymphatic vessels.
- Secondary lymphedema: Damage from surgery, radiation, infection, trauma, or cancer.
Common Sites
Most often affects arms and legs, but can involve the genitals, face, neck, or abdomen.
Symptoms
- Swelling, heaviness, or tightness
- Restricted range of motion
- Recurring infections (cellulitis)
- Skin thickening and fibrosis (in advanced stages)
Diagnosis and Treatment
Diagnosis is clinical, often confirmed with lymphoscintigraphy or MRI. Treatment focuses on reducing swelling and preventing complications:
- Complete Decongestive Therapy (CDT): manual lymphatic drainage, compression garments, exercise, skin care.
- Pneumatic compression devices.
- Surgical options (lymphovenous bypass, vascularized lymph node transfer) for select cases.
Early intervention improves outcomes and quality of life.
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