Edema

Localized Edema

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Localized Edema, Unilateral Edema, Localized Extremity Swelling, Unilateral Leg Swelling, Unilateral Arm Swelling, Asymmetric Leg Edema, Asymmetric Arm Edema

  • Pathophysiology
  1. Venous or lymph obstructed flow in 1-2 limbs
  1. Acute (especially last 72 hours)
    1. Deep Vein Thrombosis (DVT)
    2. Cellulitis
    3. Local Trauma
  2. Chronic
    1. Venous Insufficiency
    2. Popliteal Cyst (Baker's Cyst)
    3. Localized lymphatic obstruction (Lymphedema)
  • Causes
  • Infectious or inflammatory
  • Causes
  • Venous Obstruction
  1. Thrombophlebitis
  2. Deep Venous Thrombosis (DVT)
  3. Neoplasm (e.g. pelvic tumor, Lymphoma)
  4. Varicosity (Varicose Veins)
  5. Arteriovenous fistula
  6. Lymph Node mass
  7. Aneurysm
  8. Tight clothing (e.g. Garter)
  9. May-Thurner Syndrome
    1. Left iliac vein compressed by right iliac artery
  • Causes
  • Lymphatic Obstruction
  1. Filariasis
  2. Cellulitis
  3. Neoplasm
  4. Surgical excision
  5. Milroy's Disease
  • Causes
  • Local Trauma or injury
  1. Bruise or Contusion
  2. Ligamentous Sprain or tendonous strain
  3. Fracture
  4. Insect Bite
  5. Snake Bite
  6. Irritant or corrosive
  7. Frostbite
  8. Sunburn
  9. Burn Injury
  10. Reflex Sympathetic Dystrophy
  • Causes
  • Congenital
  1. Amniotic band
  2. Arteriovenous fistula