Eczema craquelé

Author: Amanda Oakley, Dermatologist, Hamilton New Zealand. Updated July 2014.

What is eczema craquelé?

Eczema craquelé is a common type of dermatitis that occurs as a result of very dry skin. It got its French name from its cracked appearance. It is also known as asteatotic eczema (lack of oil) or xerotic (dry) eczema.

The most common site is the shins, but eczema craquelé may occur elsewhere including upper limbs and trunk.

What causes eczema craquelé?

Eczema craquelé is mainly due to water loss from the stratum corneum. This occurs because of a breakdown of the skin barrier due to genetic predisposition and injury by environmental factors. These include:

Who gets eczema craquelé?

Eczema craquelé can occur in anyone with very dry skin.

What are the clinical features of asteatotic eczema?

Eczema craquelé often has a distinctive crazy-paving appearance. Diamond-shaped plates of skin are separated from each other by red bands forming a network. There may also be scratch marks. It may start on one shin but soon spreads to affect the skin around both lower legs.

Severe eczema craqelé can lead to more severe secondary dermatitis with generalised redness, localised swelling and surface blistering. Like other forms of eczema on the lower leg, it can eventually result in widespread secondary disseminated eczema (autosensitisation).

What tests should be done?

Eczema craquelé is diagnosed by its appearance and tests are unnecessary in the majority of patients.

Thyroid function tests are appropriate if there are other signs to suggest hypothyroidism, such as dry thinning hair, weight gain, lethargy and slowness. If eczema craquelé is of recent onset and accompanied by excessive scaling (acquired ichthyosis), weight loss, fevers or general unwellness (malaise), the patient should be thoroughly investigated for an internal cause.

What is the treatment for eczema craquelé?

Eczema craquelé usually rapidly responds to treatment.

Ensure the skin is not allowed to dry out again, as eczema craquelé is very likely to recur.

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