Callender Dermatology and Cosmetic Center | Glenn Dale MD


Vitiligo Glenn Dale MD

What is Vitiligo?

Vitiligo is a skin condition caused by progressive depigmentation; it presents as white patches on the skin. The texture of the depigmented skin is not altered and the condition is not painful, although the affected skin may be much more sensitive to the sun.

Vitiligo affects both sides of the body equally, often symmetrically, and the borders of the white patches are irregular but well-defined. White patches may appear gradually or suddenly. Vitiligo is not uncommon, affecting between one-half and one percent of the population. While not serious medically, it can cause emotional distress for the sufferer because of how it makes the skin look.

What Parts of the Body Are Affected by Vitiligo?

Although vitiligo can affect any part of the body, this skin pigmentation is usually on the:

  • Face
  • Elbows
  • Knees
  • Hands
  • Feet
  • Genitals
  • Upper thighs

When vitiligo affects the scalp, the hair growing on the patch is white. It can also affect the chin or eyelid, in which case the lashes or beard become white.

Causes of Vitiligo

Vitiligo appears to be an autoimmune disorder in which immune cells attack melanocytes, the cells that produce pigment. We do not know yet why this happens. This skin pigmentation runs in some families; can appear at any age; affects both sexes equally; and affects people of every skin color. There is also some correlation between vitiligo and three other autoimmune diseases: pernicious anemia, hyperthyroidism and Addison’s disease.

Diagnosis of Vitiligo

In most cases, a physical examination can diagnose vitiligo, but, in some cases, we will use an ultraviolet light called Wood’s light. Wood’s light provides a definitive diagnosis because it illuminates only skin affected by vitiligo. At times, we take a skin biopsy to make sure the depigmentation does not have another cause. If another medical issue is suspected, blood tests may be administered to check the patient’s levels of various hormones, especially thyroid hormone, and of vitamin B12.

Skin Pigmentation Treatment

Vitiligo Glenn Dale MD

Vitiligo is a very difficult disorder to treat. In most cases, patients just live with it, using sunblock to protect white patches from sunburn and/or makeup to camouflage them. Although we used to believe that melanin was the only agent protecting the body from sun damage, vitiligo has shown that that is not the case. Some patients suffer severe sunburn on patches and others do not. In all cases, however, it is important for patients to use sunblock.

There are several treatments for skin pigmentation with varying degrees of success. They include the following:

  • Phototherapy (medical exposure to ultraviolet light)
  • Topical drugs (to increase skin sensitivity to light)
  • Topical corticosteroids
  • Autologous skin grafts from pigmented areas
  • Medical tattooing (micropigmentation)
  • Topical immunosuppressants

Other treatments are being used experimentally. One involves the transplantation of melanocytes grown from a patient’s healthy cells to the area affected with vitiligo.

Schedule a Consultation

If you suffer from Vitiligo and would like to seek treatment, call (301) 249-0970 to schedule a consultation with Dr. Valerie Callender. Our practice serves Glenn Dale, MD and surrounding areas.

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