Skin-nontumor / Clinical Dermatology
Lichen simplex chronicus
Reviewer: Mowafak Hamodat, MB.CH.B, MSc., FRCPC (see Reviewers page)
Revised: 26 August 2011, last major update August 2011
Copyright: (c) 2002-2011, PathologyOutlines.com, Inc.
● Plaque like condition due to chronic rubbing and scratching
● Also called neurodermatitis
● Thick, scaly plaques with erythema, well demarcated from surrounding skin
● Associated with excoriation, lichenification, crusting
● Raised nodules are called prurigo nodularis
● Marked hyperkeratosis associated with foci of parakeratosis
● Prominent granular cell layer
● The epidermal rete are elongated and irregularly thickened
● Mild spongiosis
● Perivascular and interstitial inflammation with histiocytes, lymphocytes and occasional eosinophils in superficial dermis
● Occasionally enlarged elongated myofibroblasts, papillary dermal fibrosis, nerve hyperplasia
End of Skin-nontumor / Clinical Dermatology > Other dermatoses > Lichen simplex chronicus
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