Acanthosis Nigricans

Acanthosis nigricans is a skin condition that causes brown-to-black, poorly defined, velvety

hyperpigmentation

 in body folds and creases. It typically affects the armpits,

groin

, and neck.
Although it is usually harmless, it is best to get any skin changes checked out.
Symptoms

Dark patches of skin

  • At armpits

  • At neck

  • Under the breasts

  • At elbow pit

  • In abdomen

  • In genital region, At groin

common

Thick skin at armpit

or Thick skin at neck

or Thick skin under the breasts

or Thick skin on belly

common

Skin bump

  • Painless

  • At genitals

  • At neck, At armpits

common

Itchy skin

  • At neck

  • At genital

  • At abdomen

Risk factors

Overweight or obese

Diabetes mellitus

Polycystic Ovary Syndrome

Treatment
Primary treatment of acanthosis nigricans aims to correct the underlying cause. Weight loss and reversing insulin resistance are the most effective ways to eliminate any skin changes. It is reversible and will disappear as the cause is treated. There are also cosmetic options as laser therapy, topical retinoids, and dermabrasion.
Recommended specialist

If you have Acanthosis Nigricans, then a visit to a dermatologist is highly recommended.

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Dermatologist

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