Round Scaly Patch Of Skin

• Causes of Scaly Skin Patches. Rashes of the skin are the more common reason for skin patches which are scaly. happens and breeds in a round shape.
• Is also known as chronic superficial dermatitis skin condition characterised by round or superficial scaly dermatitis from other skin.

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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

Chronic superficial scaly dermatitis CSSD is also known as chronic superficial dermatitis, small plaque parapsoriasis or digitate dermatosis. It is an uncommon chronic skin condition characterised by round or oval red, slightly scaly patches on limbs and trunk. Chronic superficial scaly dermatitis mostly affects adults especially men. The cause is unknown.

Clinical features

Chronic superficial scaly dermatitis begins insidiously with one or more red, slightly scaly patches. The commonest site is on the lower limbs, but the trunk and upper limbs are often affected. It is seldom seen on the face, palms or soles.

The patches are generally round or oval, but finger-like processes are also common especially on the abdomen, and this accounts for the alternative name digitate or finger-like dermatosis. The patches are usually about 2.5 cm across, although much larger areas form at times, especially on the lower limbs. The colour is pink, brown or slightly yellow. The individual patches are often slightly wrinkled and appear like cigarette paper.

Chronic superficial scaly dermatitis

Symptoms are usually minimal, but some itching may occur. The patches are more prominent in winter than in summer. If they clear with treatment, they tend to recur in the same, or adjacent, areas when it is stopped.

After extending for a time most cases then remain static and with minor fluctuations persist throughout life. In a few patients the condition clears permanently.

Investigations

A skin biopsy is usually necessary to distinguish chronic superficial scaly dermatitis from other skin conditions, particularly cutaneous T-cell lymphoma. Under the microscope chronic superficial scaly dermatitis resembles mild eczema.

Follow-up

Although chronic superficial scaly dermatitis is thought to be completely benign, occasionally patches originally diagnosed as chronic superficial scaly dermatitis prove later to be cutaneous T-cell lymphoma. It is important to see your dermatologist if any change develops in the patches. This might be a change in colour, thickening, increased scaling, and crusting or skin thinning.

Treatment

Not all patients need treatment, as chronic superficial scaly dermatitis is harmless but unfortunately difficult to clear up. The following may be useful:

Related information

Other websites:

Parapsoriasis – Medscape Reference

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If you have any concerns with your skin or its treatment, see a dermatologist for advice.

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