II. Causes

  1. Hereditary Disease
    1. Ichthyosis Vulgaris
    2. X-Linked Ichthyosis
    3. Refsum's Syndrome
      1. Hereditary mental deficiency
      2. Spastic paralysis
  2. Congenital disease
    1. Lamellar Ichthyosis (Non-bullous)
    2. Epidermolytic Hyperkeratosis (Bullous)
  3. Sjogren-Larsson Syndrome
  4. Leprosy
  5. Hypothyroidism
  6. AIDS

III. Pathophysiology

  1. Dysfunctional sweating and oil secretion

IV. Symptoms

  1. Skin dryness (worse in winter)
  2. Failed sweating

V. Signs

  1. Skin changes
    1. Dry and brittle
    2. Cracked, thickened, and Scaling
  2. No sweating or oil secretion

VI. Management

VII. Resources

  1. Icthyosis Information
    1. http://www.ichthyosis.com/
  2. First Foundation for Icthyosis
    1. http://www.scalyskin.org

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