Acanthosis nigricans (keratosis nigricans) symptoms and causes

About- Acanthosis nigricans also called keratosis nigricans is a skin disease characterized by dark, velvety hyperpigmentation, thickened conditions of the skin, normally found in body folds areas, i.e. armpits, groin, neck, elbows, knees, knuckles, lips, palms, soles of the feet

 
Symptoms-
Dark, thickened, velvety skin in body folds 

Causes-

Acanthosis nigricans skin patches occur when epidermal skin cells begin to reproduce rapidly. This abnormal skin cell growth is most commonly triggered by

Too much Insulin
Certain medications such as birth control pills, human growth hormones, thyroid medications, high doses of niacin, etc.
Stomach cancer, or gastric adenocarcinoma
Adrenal gland disorders, such as Addison’s disease
Pituitary gland disorders
Insufficient thyroid hormones 

Specialists to Visit-
Dermatologist
Endocrinologist
 

Ask a question or view questions and answers on Acanthosis nigricans 

References-
https://www.healthline.com
https://www.mayoclinic.org
https://www.aad.org
https://en.wikipedia.org
https://www.nhs.uk
https://www.webmd.com

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