Pigment

Diffuse Hyperpigmentation

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Diffuse Hyperpigmentation, Melanism, Diffuse Hypermelanosis, Melanosis

  • See Also
  1. Skin Discoloration
  2. Hyperpigmentation
  • Causes
  1. Excessive Melanin deposition: Addison's Disease
  2. Excessive Melanocytes: Phototoxic Drug Reaction
  • Signs
  1. Diffuse brown discoloration of skin
  2. Oral Mucosa pigmentation
  3. Accentuated areas
    1. Palmar creases
    2. Recent scars
    3. Pressure points at elbow, knee, and knuckles
  • Differential Diagnosis
  1. Localized Lesions (increased Melanin or Melanocytes)
    1. See Brown Skin Lesion
    2. See Black Skin Lesion
  2. Diffuse skin changes
    1. See Skin Discoloration
    2. See Hyperpigmentation
    3. See Medication Causes of Hyperpigmentation