Lichen simplex chronicus
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| Lichen simplex chronicus Classification and external resources | |
| ICD-10 | L28.0 |
|---|---|
| ICD-9 | 698.3 |
| DiseasesDB | 31441 |
| MedlinePlus | 000872 |
| eMedicine | derm/236 |
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Lichen simplex chronicus (LSC) is a skin disorder characterized by chronic itching and scratching. The constant scratching causes thick, leathery, brownish skin.
Causes
This is a skin disorder characterized by a self-perpetuating scratch-itch cycle:
- It may begin with something that rubs, irritates, or scratches the skin, such as clothing.
- This causes the person to rub or scratch the affected area. Constant scratching causes the skin to thicken.
- The thickened skin itches, causing more scratching, causing more thickening.
The skin may become leathery and brownish in the affected area. This disorder may be associated with atopic dermatitis (eczema) or psoriasis. It may also be associated with nervousness, anxiety, depression, and other psychological disorders.
It is common in children, who chronically scratch insect bites and other areas. It can also be common in mentally retarded children who have chronic repetitive movements.
Treatment
Treatment is aimed at reducing itching and minimizing existing lesions because rubbing and scratching cause LSC. The itching and inflammation may be treated with a lotion or steroid cream applied to the affected area of the skin.
See also
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
