Skin-Disorders.Org

Acanthosis Nigricans is a skin disorder that causes thick, dark velvety patches of skin the folds and creases of the body.  Acanthosis Nigricans is usually related to medical problems, but may also occur in healthy people.  Acanthosis Nigricans can even be inherited genetically.  It is most common among people of African descent, mostly because it’s more visible on darker skin.  A health care professional can usually diagnose Acanthosis Nigricans just by examining the skin, however, a biopsy may be ordered for unusual cases.  You may need to have tests such as blood tests or xrays if no clear cause for Acanthosis Nigricans is found.  Read more...