Abstract

Patients experience of itch is not just a matter of quantity but also of quality. A recent’s report on itch quality in atopic dermatitis and psoriasis (1) highlights relevant differences in clinical manifestation of pruritus between patients with these two different skin diseases. According to the usual classification of pruritus (2), itching in both diseases can be defined as dermatological pruritus. However, the results of O’Neill et al. (1) clearly indicate that the perception of pruritus can vary greatly between various skin diseases, suggesting that itching is not just a simple feeling pro-voking scratching, but may represent a group of closely related sensations with different receptors, mediators and neuronal pathways. To further support this hypothesis we report here our data on significant differences in pruritus between lichen planus (LP) and psoriasis.Material and MetHods

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