What Your Skin Says About Your Health

A woman examines her skin in the mirror after a shower.
A butterfly rash across the face could be a sign of lupus.
Velvet plaque (acanthosis nigricans) around the armpit may suggest diabetes.
Leg plaque or necrobiosis lipoidica diabeticorum is a distinctive sign of diabetes.
Itchy, violet bumps on the wrist (lichen planus) could be a sign of hepatitis C.
Flesh colored, orange-peel patches on the back are signs of a rare genetic disease called tuberous sclerosis.
Acanthosis nigricans, accompanied by tripe palms, is most likely linked to gastric cancer.
Nephrogenic systemic fibrosis is a hardening of skin in extremities. Also known as 'wooden' hands and feet, it can be caused during an MRI exam if the patient has kidney failure.
Necrolytic migratory erythema is a scaly rash on the buttocks. It is also known as red tongue and usually signals a pancreatic tumor.
Granuloma annulare (raised, reddish, or flesh-colored bumps) on the feet of a patient.

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Reviewed by Gary W. Cole, MD, FAAD on Wednesday, October 09, 2013

Slideshow: What Your Skin Says About Your Health

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