Lichen simplex chronicushttps://en.wikipedia.org/wiki/Lichen_simplex_chronicus
Lichen simplex chronicus ni ugonjwa wa ngozi unaosababisha ngozi kuwa nene, yenye alama za mkwaruzo zinazotokana na kuwasha ghafla, kusugua, na mikwaruzo ya kudumu. Kwa ujumla husababisha papules ndogo, mabaka, alama za mikwaruzo, na mizani. Maeneo yanayohusika zaidi ni pande za shingo, ngozi ya kichwa, vifundo vya miguu, uke, pubis, korodani, na pande za msalaba (extensor) za mikono ya mbele. Ngozi inaweza kuwa mnene na kupendelewa rangi (= lichenified) kama matokeo ya msisimko sugu.

Hali hii ya muda mrefu inakua polepole. Kwa wagonjwa, mkwaruzo huwa tabia ya kawaida. Watu wenye lichen simplex chronicus huripoti kuwasha, na mikwaruzo isiyodhibitiwa katika eneo moja la mwili, kupita kiasi.

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  • Lichen simplex chronicus ni ugonjwa wa kawaida. Ikiwa una vidonda vya plaque nene ambayo huwasha kwa muda mrefu kwenye miguu yako, ugonjwa huu unaweza kuzingatiwa.
  • Ikiwa eczema itaendelea kwa muda mrefu, ngozi itakuwa nene na kubadilika rangi.
References Lichen Simplex Chronicus Itch: An Update 36250769 
NIH
Lichen Simplex Chronicus (LSC) ni hali ya ngozi ambapo sehemu fulani huwa nene na kuwasha; mara nyingi huwa na mikwaruzo juu. Maeneo haya yanaweza kubadilisha rangi, kuanzia pink hadi hudhurungi. Wakati mwingine, yanabadilika kuwa nyepesi katikati na kuwa na makali nyeusi zaidi baada ya muda. Tofauti na hali nyingine ya kuwasha inayoitwa prurigo nodularis (PN), ambayo inaonekana kama matuta yanayenea katika sehemu mbalimbali za mwili, LSC huwa na madoa mahususi au maeneo machache tu. Ingawa LSC wakati mwingine huitwa neurodermatitis, ambayo inajumuisha hali zingine za kuwasha za muda mrefu.
LSC is a localized skin disorder clinically characterized by lichenified plaques of skin often accompanied by overlying excoriations. These plaques can become discoloured, with varying shades of erythema ranging from pink to dark brown. Over a longer course, it may transform into a hypopigmented plaque with a darker border. They are localized to specific areas of the body as one or a few plaques. This is in contrast to prurigo nodularis (PN), another chronic pruritic condition, which is frequently more broadly distributed across multiple regions of the body as nodules. While LSC may sometimes be referred to as a neurodermatitis, which encompasses other chronic itchy conditions.
 Lichen Simplex Chronicus 29763167 
NIH
Lichen simplex chronicus ni aina ya ugonjwa sugu wa neurodermatitis, ambapo ngozi inakuwa kavu, yenye mabaka, na nene. Hii hutokea kwa sababu ya kukwaruza mara kwa mara au kusugua ngozi katika eneo moja, na kusababisha unene wa safu ya nje ya ngozi.
Lichen simplex chronicus is defined as a common form of chronic neurodermatitis that presents as dry, patchy areas of skin that are scaly and thick. The hypertrophic epidermis generally seen is typically the result of habitual scratching or rubbing of a specific area of the skin.