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KMID : 1149120180150010023
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Journal of the Korean Society for Psoriasis
2018 Volume.15 No. 1 p.23 ~ p.25
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Trachyonychia Preceding Psoriatic Arthritis
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Ham Seung-Pil
Park Hee-Jae
Park Hai-Jin
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Abstract
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Nail involvement is a common feature in psoriasis. In psoriasis patients, 10~78% of them are affected by nail involvement and the percentage increases up to 85% in psoriatic arthritis patients. Trachyonychia meansrough nail. It shows excessive superficial longitudinal ridging. Trachyonychia is mainly observed in lichen planus, psoriasis, and alopecia areata. However, the incidence of trachyonychia in psoriasis is unknown. Sometimes, nail psoriasis can be a first manifestation of psoriatic arthritis or prognostic factor of psoriatic arthritis. Herein, we report a case of 67-year-old woman who were first treated as twenty nail dystrophy (trachyonychia involving all nails)with onychomycosis and developed psoriatic arthritis 2 years later. Her nail dystrophy showed improvement with excimer laser.
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KEYWORD
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Nail psoriasis , Psoriatic arthritis , Trachyonychia , Twenty nail dystrophy
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