Lichen simplex chronicus

Lichen simplex chronicus
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

Lichen simplex chronicus (LSC) is thick leathery skin with exaggerated skin markings caused by sudden itching and excessive rubbing and scratching.^[1] It generally results in small bumps, patches, scratch marks and scale.^[1] It typically affects the neck, scalp, upper eyelids, ears, palms, soles, ankles, wrists, genital areas and bottom.^[1] It often develops gradually and the scratching becomes a habit.^[1]

^ ^a ^b ^c ^d ^e ^f ^g ^h James, William D.; Elston, Dirk; Treat, James R.; Rosenbach, Misha A.; Neuhaus, Isaac (2020). "4. Pruritus and neurocutaneous dermatoses". Andrews' Diseases of the Skin: Clinical Dermatology (13th ed.). Elsevier. pp. 53–54. ISBN 978-0-323-54753-6.

[Andrew2020-1] ^ ^a ^b ^c ^d ^e ^f ^g ^h James, William D.; Elston, Dirk; Treat, James R.; Rosenbach, Misha A.; Neuhaus, Isaac (2020). "4. Pruritus and neurocutaneous dermatoses". Andrews' Diseases of the Skin: Clinical Dermatology (13th ed.). Elsevier. pp. 53–54. ISBN 978-0-323-54753-6.

[1]

Lichen simplex chronicus
Other names	Neurodermatitis^[1]

Micrograph of lichen simplex chronicus. H&E stain.
Specialty	Dermatology
Symptoms	Thick leathery skin, exaggerated skin markings, small bumps, patches, scratch marks, scale^[1]
Usual onset	Gradual^[1]
Causes	Excessive rubbing and scratching^[1]

Lichen simplex chronicus

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