What is lichen simplex of the scrotum?

Lichen simplex of the scrotum is a pruritic form of dermatitis in which excessive scratching or rubbing leads to lichenification. Characteristically, there are well-demarcated, erythematous or hyperpigmented plaques with marked skin thickening on one or both sides of the scrotum. Lichen simplex is typically secondary to an underlying skin condition or neuropathy causing extreme itch, such as allergic contact dermatitis.

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