LICHEN SIMPLEX CHRONICUS

Abstract
The generally accepted view of lichen simplex chronicus is that it is a cutaneous reaction which may be evoked by a number of different agencies acting on the skin of predisposed persons. Its clinical characteristics are well defined: A patch of closely aggregated papules and pseudopapules develops on certain areas of predilection, exhibiting as secondary changes chronic leathery thickening, pigmentation and usually exfoliation of minute scales, accompanied invariably by intense pruritus which is characteristically paroxysmal. Emotional and nervous disturbance has generally been considered to be an important, if not the chief, factor in the etiology. This opinion is reflected in the common designation by such terms as neurodermitis, the English rendering of the name given it by Brocq—névrodermite— and neurodermatitis. In a recent paper Pels1drew a clear distinction between the proper use of the terms neurodermitis and neurodermatitis. When writing my previous paper on this subject

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