Decreased skin pigmentation

Template:Search infobox Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Knowing the difference between hypopigmentation and depigmentation is essential to determining the differential diagnosis.

Depigmentation is the complete loss of pigment. Hypopigmentation is a decrease in pigment. They can both indicate the diagnosis whether local or general.

In alphabetical order. ^{[1] [2]}

• Albinism
• Chemical leukoderma
• Congenital birthmarks
• Piebaldism
• Pityriasis alba
• Tuberous sclerosis that can result in hypopigmentation
• Vitiligo

• Determine degree of hypopigmentation and depigmentation
• Family history of thyroid disease, diabetes and endocrine problems
• Obtain personal history, include:

• allergies
• hay fever
• asthma

• these may help determine the diagnosis of atopic dermatitis

• perform eye exam to aid in diagnosis of albinism

• Wood's lamp exam can be used to emphasize Hypo- and depigmented areas

• Labs include:

• CBC (in suspected vitiligo patients)
• Thyroid function tests

• Skin biopsy for vitiligo

Vitiligo

• Topical steroids

Vitiligo

• Oral beta-carotene for patients with chronic vitiligo and albanism

Punch minigrafting from normal skin donors to vitiligo patients can aid in the repopulation of melanocytes

• Sunscreen can protect from further skin issues

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