Amyloidosis
https://en.wikipedia.org/wiki/Amyloidosis
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gnéithe aghaidhe clasaiceacha de Amyloidosis

Sa radharc formhéadaithe, breathnaítear papules crua a bhfuil an cruth céanna acu. Tá siad sách aonfhoirmeach agus crua, nach ionann agus neamhailléirgeacha mar dheirmitíteas atópach.


Gnéithe craiceann de amyloidosis cutis dyschromica ― (A) Macúla hiperpigmented agus hypopigmented ar an cos íochtair

Is minic a dhéantar mídiagnóis ar Lichen amyloidosis mar dheirmitíteas atópach. I láthair chás tipiciúil le papulaí beaga crua agus pruritus.

D’fhéadfadh na lesaí amyloidosis a bheith cosúil le dermatitis atópach.
relevance score : -100.0%
References
Lichen amyloidosis - Case reports 24130236 NIH
Tháinig bean 26 bliain d'aois chuig ár gclinic ag gearán faoi ghríos totach ar a cosa a bhí aici le 10 mbliana. In ainneoin stéaróidí topaice agus uachtar tazarotene a úsáid, níor éirigh an gríos níos fearr. Ní raibh aon stair teaghlaigh ábhartha aici. Nuair a scrúdaíomar í, fuaireamar papailí ardaithe, garbha ar thaobh tosaigh a chos, rud a mheaitseálann galar ar a dtugtar lichen amyloidosis.
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
Is riocht annamh craicinn é Lichen Amyloidosis a bhaineann le tochas leanúnach gan chúis anaithnid. De ghnáth, tá sé curtha síos mar papulaí hyperkeratótacha grúpaí, a bhíonn i bhunús ar an droma, ar na shin, ar na glúine, agus ar na lámha. De ghnáth bíonn Lichen Amyloidosis le feiceáil i ndaoine idir 50 agus 60 bliain d’aois agus ar an drochuair, níl aon leigheas air. De ghnáth ní oibríonn na cóireálacha atá ar fáil anois go maith.
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
Is riocht craiceann gortach é Lichen amyloidosis. Is éard atá i gceist ná papúlacha tiubhaithe a fhaightear go príomha ar chúl, ar shins, ar thighs agus ar airm. Nuair a dhéantar é a scrúdú faoi mhicreascóp, taispeánann Lichen amyloidosis tógáil amyloid sa chiseal barr craiceann mar aon le ramhrú agus méadú ar chiseal seachtrach an craicinn. Cé nach dtuigtear cúis beacht Lichen amyloidosis go hiomlán fós, cheangail staidéir roimhe seo é le fachtóirí mar chuimilt nó cuimilte ar an gcraiceann, bás cille, ionfhabhtuithe víreasacha, i measc nithe eile. Is cosúil go bhfuil Lichen amyloidosis nasctha le roinnt riochtanna craicinn eile (atopic dermatitis, lichen planus, mycosis fungoides).
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.
○ Diagnóis agus Cóireáil
#Electrophoresis of blood or urine
#Skin biopsy