Lichen simplex chronicus
Lichen simplex chronicus (LSC) is thick leathery skin with exaggerated skin markings caused by sudden itching and excessive rubbing and scratching. It generally results in small bumps, patches, scratch marks and scale. It typically affects the neck, scalp, upper eyelids, ears, palms, soles, ankles, wrists, genital areas and bottom. It often develops gradually and the scratching becomes a habit.
| Lichen simplex chronicus | |
|---|---|
| Other names | Neurodermatitis |
| Micrograph of lichen simplex chronicus. H&E stain. | |
| Specialty | Dermatology |
| Symptoms | Thick leathery skin, exaggerated skin markings, small bumps, patches, scratch marks, scale |
| Usual onset | Gradual |
| Causes | Excessive rubbing and scratching |
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