A 42-year-old woman developed a papular eruption mainly localized on the right side of the body and with a zosteriform pattern within the nerve segments TH6-TH12, L1-L4 as well as S1 and S2. The skin lesions were characteristic of lichen ruber planus. The zosteriform arrangement of lichenoid papules is rare and is interpreted as a cutaneous reaction possibly triggered by some neural factor.
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