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acanthosis nigricans: Health Search Results from the Invisible Web

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:: Definition :: Images :: Causes :: Symptoms :: Treatment :: Further Reading Search results last updated: 5/6/2009

acanthosis nigricans - Definition: (Source: MedicineNet)

Acanthosis nigricans: A skin condition characterized by dark thickened velvety patches, especially in the folds of skin in the axilla (armpit), groin and back of the neck. The condition is complex. It can occur with endocrine diseases such as Cushing disease, tumors of the pituitary, and diabetes mellitus. It is common in people who have insulin resistance -- whose body is not responding correctly to the insulin that they make in their pancreas. Acanthosis nigricans also occurs with underlying malignancies (especially carcinomas of the vicera), administration of certain drugs, and as a genetic disorder inherited in an autosomal dominant manner. ...
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acanthosis nigricans - Images (Source: MedLinePlus)
Acanthosis nigricans - close-up
Acanthosis nigricans - close-up 		Acanthosis nigricans on the hand
Acanthosis nigricans on the hand

Causes of acanthosis nigricans (Source: MedLinePlus)
Acanthosis nigricans can affect otherwise healthy people, or it can be associated with medical problems. Some cases are genetically inherited. It is most common among people of African descent. Obesity can lead to acanthosis nigricans, as can many endocrine disorders. It is frequently found in people with diabetes . Some drugs, particularly hormones such as human growth hormone or oral contraceptives ("the pill"), can also cause acanthosis nigricans. People with lymphoma or cancers of the gastrointestinal or genitourinary tracts can also develop severe cases of acanthosis nigricans. ...
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Symptoms of acanthosis nigricans (Source: MedLinePlus)
Acanthosis nigricans usually appears slowly and doesn't cause any symptoms other than skin changes. Eventually, dark, velvety skin with very visible markings and creases appears in the armpits, groin, and neck. Sometimes, the lips, palms, soles of feet, or other areas may be affected. ...
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acanthosis nigricans - Conventional Treatments (Source: MedLinePlus)
Because acanthosis nigricans itself usually only causes changes to the appearance of the skin, no particular treatment is needed. It is important, however, to attempt to treat any underlying medical problem that may be causing these skin changes. ...
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Further Reading on acanthosis nigricans
  • Skin Conditions: Acanthosis Nigricans ( WebMD )
    Acanthosis nigricans is a skin disorder that results in velvety, light-brown-to-black markings that occur in areas including the... Acanthosis nigricans is a skin disorder that results in velvety,

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