Abstract：
Inflammatory linear verrucous epidermal nevus and linear psoriasis are different entities with clinical and histopathologic similarities. Isolated reports of inflammatory linear verrucous epidermal nevus with concomitant psoriasis or a positive family history of psoriasis have been described, and the possibility that inflammatory linear verrucous epidermal nevus may be a mosaic form of cutaneous psoriasis has been postulated. We report a 17-year-old boy with a congenital, linear, erythematous, keratotic plaque on the dorsum of the fifth finger of the left hand with ipsilateral nail dystrophy. Histopathologic examination showed epidermal hyperplasia with alternating orthokeratosis and parakeratosis. During follow-up, he developed erosive monoarthritis of the distal interphalangeal joint. This case seems to confirm the association between inflammatory linear verrucous epidermal nevus and arthritis and supports a possible relationship between inflammatory linear verrucous epidermal nevus and psoriasis.
摘要：
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