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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Lichen nitidus ： ウィキペディア英語版 Lichen nitidus Lichen nitidus is a chronic inflammatory disease of unknown etiology characterized by 1–2 mm, discrete and uniform, shiny, flat-topped, pale flesh-colored or reddish-brown papules that may appear as hypopigmented against dark skin. Occasionally, minimal scaling is present or can be induced by rubbing the surface of the papules.〔 The disease usually affects children and young adults and is painless and usually nonpruritic, although protracted itching may occur in some cases.〔〔 It is sometimes referred to by dermatologists as "mini lichen planus". ==Presentation== Linear arrangements of these papules is common (referred to as a Koebner phenomenon), especially on the forearms,〔 but may occasionally be grouped, though not confluent, on flexural areas.〔 Generally, the initial lesions are localized, and remain so, to the chest, abdomen, glans penis, and flexor aspects of the upper extremities;〔 〕 however, less commonly, the disease process can (1) be strictly isolated to the palms and soles, presenting with many hyperkeratotic, yellow papules that may coalesce into plaques that fissure〔〔 or “...sometimes a non-specific keratoderma resembling chronic eczema,”〔 or (2) become more widespread, with papules widely distributed on the body—the extensor surfaces of the elbows, wrists, and hands, folds of the neck, submammary region in females, groin, thighs, ankles, and feet〔〔—and fusing into erythematous, minimally scaled plaques, with reddness that develops tints of violet, brown, and yellow.〔〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Lichen nitidus」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.