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Doctors Lounge - Dermatology Answers
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| oisa
- Wed May 02, 2007 1:14 am |
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I am a 21 year old male in good health to my knowledge. I am caucasion but of darker complexion since one of my distant father's side ancestors was african. recently I have noticed a discoloration of the skin at the base of my neck and collar bone region.
My chest is much lighter than my neck as i do not tan at all.
The coloration does not simply fade, it is blotchy and irregular.
Could this be the result of pigmentation differences? A lack of sun exposure to my chest? Or perhaps something more serious?
Any advice would be greatly appreciated.
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| Dr. Chan Lowe
- Fri May 04, 2007 3:41 pm |
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 There are many possible causes of pigmentation change in the skin, especially on the neck. It may be an issue of differences in sun exposure or possibly a skin condition such as pityriasis alba (essentially very mild eczema) that causes lightening of skin patches. It may also be a condition known as acanthosis nigricans that causes darkening of the skin, especially on the neck.
Generally, the cause is easily diagnosed by direct examination. I would recommend you see your doctor to be evaluated.
Best wishes.
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