Amyloidosis - Amiloidozhttps://uz.wikipedia.org/wiki/Amiloidoz
Amiloidoz (Amyloidosis) to‘qimalarda amiloid fibrillalar deb nomlanuvchi anormal oqsillar to‘planib qolgan kasalliklar guruhidir. Kuchli qichishish bilan tavsiflanadigan giperkeratotik papulalar birlashib, kulrangdan jigarranggacha bo‘laklarni hosil qiladi. Kasallik ko‘pincha old tibia va yuqori orqa hududlarda uchraydi.

Diagnoz va davolash
#Electrophoresis of blood or urine
#Skin biopsy
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  • Amiloidoz (Amyloidosis) ning klassik klinik belgilari.
  • Kattalashtirilgan ko'rinishda shunga o'xshash shaklga ega qattiq papulalar kuzatiladi. Ular atopik dermatit kabi allergik kasalliklardan farqli o'laroq, nisbatan bir xil va qattiq bo'ladi.
  • Amyloidosis cutis dyschromica teri xususiyatlari — (A) pastki oyoqdagi giperpigmentatsiyalangan va gipopigmentatsiyalangan dog‘lar.
  • Lichen amyloidosis ko‘pincha atopik dermatit deb noto‘g‘ri tashxis qilinadi. Bu holat kichik, qattiq papulalar va qichishish bilan namoyon bo‘ladi.
  • Amiloidoz (Amyloidosis) ning shikastlanishi atopik dermatitga o‘xshash bo‘lishi mumkin.
References Lichen amyloidosis - Case reports 24130236 
NIH
26 yoshli ayol poliklinikamizga oyoqlarida 10 yildan beri davom etayotgan qichima toshmasi shikoyati bilan keldi. Ukol kremlari va tazaroten kremlaridan foydalanishga qaramasdan, toshma yaxshilanmadi. Uning oilaviy tarixi yo'q edi. Tekshiruvda uning oyoqlari old qismida lichen amyloidosis deb nomlangan kasallikka mos keladigan ko'tarilgan, qo'pol yamoqlarni topdik.
A 26-year-old woman presented to our clinic with an itchy rash on her legs that had persisted for 10 years. The rash had previously been treated with topical steroids and tazarotene cream, with no improvement. The patient’s family history was noncontributory. A physical examination showed discrete and coalescing hyperkeratotic tan-brown papules on the pretibial surfaces, consistent with lichen amyloidosis.
 Lichen Amyloidosis: Towards Pathogenesis-Driven Targeted Treatment 36763750 
NIH
Lichen Amyloidosis – noma'lum sabablarga ko'ra doimiy qichishish bilan bog'liq bo'lgan noyob teri kasalligi. Odatda terining tashqi yuzalarida ko'tarilgan, rangi o'zgargan dog'lar to'plami sifatida namoyon bo'ladi. Lichen Amyloidosis odatda 50‑60 yoshdagi odamlar orasida paydo bo'ladi va afsuski, uni davolash mumkin emas. Hozirgi muolajalar odatda yaxshi natija bermaydi.
Lichen Amyloidosis (LA) is an uncommon, primary cutaneous amyloidosis associated with chronic, idiopathic pruritus. Clinical presentation of LA includes skin colored to hyperpigmented, papules coalescing into plaques with a rippled appearance on the extensors.1 LA most commonly presents in the fifth to sixth decade of life and has no curative treatments. Overall response to current therapies is poor.
 Clinical Characteristics of Lichen Amyloidosis Associated with Atopic Dermatitis: A Single Center, Retrospective Study 38086357 
NIH
Lichen amyloidosis – terining uzoq davom etadigan qichishi. U asosan orqa, boldirlar, sonlar va qo'llarda joylashgan qalinlashgan bo'rtma to'plamlari bilan tavsiflanadi. Mikroskop ostida tekshirilganda, Lichen amyloidosis terining yuqori qatlamida amiloid to'planishini, tashqi teri qatlamining qalinlashishi va kengayishini ko'rsatadi. Lichen amyloidosis ning aniq sababi hali to'liq tushunilmagan bo'lsa-da, oldingi tadqiqotlar uni teriga ishqalanish, hujayralar o'limi, virusli infektsiyalar va boshqa omillar bilan bog'lagan. Lichen amyloidosis atopic dermatitis, lichen planus, va mycosis fungoides kabi bir qancha boshqa teri kasalliklari bilan bog'lanadi.
Lichen amyloidosis (LA) is a chronic pruritic skin disorder characterized by multiple grouped hyperkeratotic papules, predominantly located on the back, shins, thighs, and arms. Histological analysis of LA shows amyloid deposition in the papillary dermis and hyperkeratosis and acanthosis of the epidermis. The exact pathogenesis of LA has not yet been elucidated; however, prior reports have implicated frictional epidermal damage, apoptosis, viral infection, and many other triggers. LA is reportedly associated with several skin disorders, including atopic dermatitis (AD), lichen planus, and mycosis fungoides.