Livedo Reticularis


Idiopathic Livedo Reticularis

  • The most common form of livedo reticularis and is a completely benign condition of unknown cause affecting mostly young women during winter months
  • It is a lacy purple appearance of skin in extremities due to sluggish venous blood flow
  • May be mild, but ulceration may occur later in the summer months

Secondary Livedo Reticularis

Capillary Obstruction

Vasculitis/Autoimmune Disease (see Vasculitis)


  • Ehlers-Danlos Syndrome (see Ehlers-Danlos Syndrome)
  • Cutis Marmorata Telangiectatica Congenita: rare congenital condition
  • Sneddon Syndrome: association of livedoid vasculitis and systemic vascular disorders, such as strokes, due to underlying genetic cause