focal hypopigmentation is most commonly a result

Among the pigmentation include hypopigmentation, depigmentation and hyperpigmentation. The disorder can be focal or diffuse. In hypopigmentation pigment decreases, however, with depigmentation pigment is lost completely, leaving behind white skin. focal hypopigmentation is most commonly a result of injury Inflammatory dermatoses (z. B. atopic dermatitis, psoriasis) burns Chemical exposure (particularly by hydroquinones and phenols) Moreover, in the Vitiligo occurs (often involving large areas of skin), leprosy, malnutrition (kwashiorkor) and genetic diseases (tuberous sclerosis, piebaldism, Waardenburg syndrome) a focal hypo- or depigmentation on. Diffuse hypopigmentation or depigmentation is usually caused by albinism vitiligo hyperpigmentation typically occurs after inflammation due to various causes on. This postinflammatory hyperpigmentation is focally in general. Hyperpigmentation can be caused by a systemic disease, drugs or cancer, the distribution is more diffuse in general.

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