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Cause of Vitiligo

Pediatrics Expert Advice from Henry Bernstein, M.D.

Q: I would like to know what is the latest on vitiligo. Is there a cure for it? What is the latest in taking care of this skin condition? I am very interested in this info since my brother and I have this condition. Thank you!

A: Although much research is being done, no one knows what causes vitiligo. People with it have areas of skin with complete loss of coloring (pigmentation), which may go on to involve large areas of the body. If you look at the skin under a microscope, there is a complete lack of melanocytes, the cells that produce pigment. It is suspected that these cells are destroyed by the body's own immune system. Spontaneous repigmentation is rare. For some people, this creates significant psychosocial difficulties.

Treatments try to restore melanocytes to the skin. Psoralen photochemotherapy (PUVA), the most effective medical treatment currently available in the US, stimulates the movement of melanocytes from adjacent pigmented skin into areas of vitiligo. It is a special medication applied topically or taken orally depending on the patient's age and the extent of depigmentation, followed by ultraviolet light. There is also a modified treatment called heliotherapy, which uses a similar medication and sunlight. Another approach to repigmentation involves daily application of topical steroids.

Surgical options for treatment include skin grafts (full or partial thickness) from pigmented areas of the body to areas of vitiligo. In addition, physicians use iron oxide pigment to "tattoo" the areas of vitiligo to match the surrounding pigmented skin. Several experimental techniques are under investigation including dermabrasion (roughing up the skin) and transplantation.

If attempts at repigmentation fail and the disease is particularly extensive or disfiguring, some people choose to have the remaining pigmented areas of their skin depigmented to match the patches of vitiligo. However, this depigmentation is permanent and irreversible, so the decision is not made lightly. To discuss treatment options specific for you and your brother, ask your primary care doctor to be referred to a dermatologist who has familiarity with this condition.

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Henry Bernstein, M.D., is currently the associate chief of the Division of General Pediatrics and director of Primary Care at Children's Hospital, Boston. He also has an academic appointment at Harvard Medical School.

Please note: This "Expert Advice" area of FamilyEducation.com should be used for general information purposes only. Advice given here is not intended to provide a basis for action in particular circumstances without consideration by a competent professional. Before using this Expert Advice area, please review our General and Medical Disclaimers.


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