Acanthosis Nigricans Quiz

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Yukiko Ueda, MD

Yukiko Ueda, MD (Dermatology)

Dr. Ueda graduated from the Niigata University School of Medicine and trained at the University of Tokyo Medical School. She is currently a clinical assistant professor at the Department of Dermatology, Jichi Medical University, and holds several posts in the dermatology departments at Kyoto Prefectural University of Medicine, Komagome Hospital, University of Tokyo, and the Medical Center of Japan Red Cross Society.

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People with similar symptoms also use Ubie's symptom checker to find possible causes

  • Skin is black

  • Armpit skin is black

  • Blackened skin

  • There is darkened skin on the toes of my foot

  • The groin skin is black

  • The neck skin is black

  • Hand skin is black

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Learn more about Acanthosis nigricans

Content updated on Nov 2, 2022

What is acanthosis nigricans?

A skin condition characterized by dark patches on the skin with a thick, velvety texture, usually seen in the neck, armpits, or groin region. It's typically seen in people with high insulin levels, ovarian cysts, thyroid or adrenal gland problems, certain drugs like birth control pills or steroids, cancer, etc.

Symptoms of acanthosis nigricans

  • Dark spots on skin

Questions your doctor may ask to check for acanthosis nigricans

Your doctor may ask these questions to diagnose acanthosis nigricans

  • Do you have skin darkening?

Treatment for acanthosis nigricans

Treatment of the underlying disease may restore normal pigmentation of the skin. Cosmetic procedures like creams, chemical peels, lasers, etc. can help lighten the pigmentation.

View the symptoms of Acanthosis nigricans

  • Dark spots on skin

References

  • Higgins SP, Freemark M, Prose NS. Acanthosis nigricans: a practical approach to evaluation and management. Dermatol Online J. 2008 Sep 15;14(9):2. PMID: 19061584.

    https://escholarship.org/uc/item/7mf6g290

  • Mourad AI, Haber RM. Drug-induced acanthosis nigricans: A systematic review and new classification. Dermatol Ther. 2021 Mar;34(2):e14794. doi: 10.1111/dth.14794. Epub 2021 Feb 4. PMID: 33480113.

    https://onlinelibrary.wiley.com/doi/10.1111/dth.14794

User testimonials

Reviewed By:

Yukiko Ueda, MD

Yukiko Ueda, MD (Dermatology)

Dr. Ueda graduated from the Niigata University School of Medicine and trained at the University of Tokyo Medical School. She is currently a clinical assistant professor at the Department of Dermatology, Jichi Medical University, and holds several posts in the dermatology departments at Kyoto Prefectural University of Medicine, Komagome Hospital, University of Tokyo, and the Medical Center of Japan Red Cross Society.

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