Pigmented rashes

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Background

Clinical Features

Differential Diagnosis

Hyperpigmentation

  • Postinflammatory hyperpigmentation (acne, Psoriasis, atopic and contact dermatitis, lichen planus, trauma, drugs, and fixed-drug eruptions)
  • Melasma
  • Solar lentigines
  • Ephelides (freckles)
  • Café-au-lait macules
  • Nevi
  • Melanoma and precursors

Hypopigmentation

  • Vitiligo
  • Pityriasis alba
  • Tinea versicolor
  • Postinflammatory hypopigmentation
  • Piebaldism
  • Tuberous sclerosis
  • Hypomelanosis of Ito

Evaluation

Management

Disposition

See Also

External Links

References