DermNet NZ

Facts about the skin from DermNet New Zealand Trust. Topic index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Punctate-type palmoplantar keratoderma

What are punctate keratodermas?

Punctuate keratodermas result in tiny bumps of thickened skin on the palms and soles and usually appears in late childhood or early adulthood.

What causes punctate keratodermas?

Punctate keratodermas are inherited by an autosomal dominant pattern (the abnormal gene is passed on from an affected parent). Some people with filiform keratoderma have no apparent family history of the condition.

What are the different types?

There are three different types of punctuate-type keratoderma:

Punctate keratoderma Punctate keratoderma Punctate keratoderma
Image from Dr Marcia Sonneveld
Punctate keratoderma

Treatment of punctate keratoderma

The following treatments soften the thickened skin and make them less noticeable.

What is the prognosis?

These conditions persist for life and may be passed on to the next generation. General health is not affected although the thickened skin can interfere with activity.

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Author: Dr Amy Stanway, dermatology registrar, Nottingham

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