Varicose veins

Etiology

Etiology

Etiology

  • Primary (may have vein wall or valve defect)
  • Valve damage due to thrombophlebitis, trauma, deep vein thrombosis, arteriovenous fistula, proximal venous obstruction (pregnancy, pelvic tumor)
  • Klippel-Trenaunay syndrome (varicose veins, limb hypertrophy, cutaneous birthmark)

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