Carta científico-clínica. DOI: / Liquen amiloide generalizado con respuesta satisfactoria a ultravioleta B de banda estrecha. Satisfactory. PubMed. 9. Mascaró JM. Liquen amiloide del pabellón auricular (case 11). Book of reports VII Reunión Internacional de Dermatología de Barcelona: p CAPÍTULO 6: Liquen simple crónico. Sections ++. Liquen crónico de Vidal, neurodermatitis circunscrita, jiotes, lichen simplex. ++ ), liquen amiloide ( fig.
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The second patient is a year-old woman who presented with a long-standing pruritic eruption on her upper back, which had become noticeably darker over liuqen past several years Fig.
SRJ is a amiolide metric based on the idea that not all citations are the same. Higher magnification of Fig. In several of these cases infiltrative amyloid deposits became so large as to ultimately lead to hearing difficulties. Scanning magnification of an auricular papule shown in Fig. CiteScore measures average citations amiliode per document published. Rarely, it is reported to occur as an inherited familial condition [ 2 ].
To improve our services and products, we use “cookies” own or third parties authorized to show advertising related to client preferences through the analyses of navigation customer behavior. Check liqudn box if you wish to receive a copy of your message. SNIP measures contextual citation impact by wighting citations based on the total liiquen of citations in a subject field.
November Pages SRJ is a prestige metric based on the idea that not all citations are the same. From Monday to Friday from 9 a. No cases of macular amyloidosis of the ear have been reported.
Scanning magnification of an auricular papule as shown in Fig. Head and neck involvement in systemic amyloid is common.
You can change the settings or obtain more information by clicking here. These patients were all healthy middle-aged women ages who had had their condition for years. Histopathologically, these two entities appear to be quite similar and occur as amorphous pink globules in the papillary dermis. Under polarized light microscopy, amyloid stained with Congo red assumes apple-green birefringence.
Lichen amyloidosis of the auricular concha: Report of two cases and review of the literature
SJR uses a similar algorithm as the Google page rank; it provides a quantitative and qualitative measure of the journal’s impact. SNIP measures contextual citation impact by wighting citations based on the total number of citations in a subject field.
In these instances, auricular papules were associated with more widespread cutaneous amyloid elsewhere. The term amyloid was reportedly coined by the famous 19th century pathologist Virchow who attributed its major constituent to carbohydrate accumulation [ 1 ].
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Orphanet: Liquen amiloide
Subtle pink globules are seen filling a dermal papillae with an increased number of mononuclear cells. There are several case reports of cutaneous amyloidosis of the auricle occurring in the setting of systemic amyloidosis [ 121314 ].
In the largest study to date of primary cutaneous amyloidosis, coexistence of lichen and macular amyloidosis in the same patient, termed biphasic amyloidosiswas found in 25 percent of nearly patients [ 2 ]. Primary localized cutaneous amyloidosis is, by definition, amyloid deposition limited to the skin and not associated with underlying systemic illness. Llquen navigation will be considered as acceptance of this use.
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Follicular plugging is prominent. Lichen amyloidosis and macular amyloidosis are likely the result of focal epidermal damage, although this has not been conclusively proven.
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Summary and related texts. Read this article in English.
Monomorphous shiny brown mm papules in the conchal bowl and on the scapha of the right ear of patient 2 Figure 4: An electron micrograph of an auricular papule from patient 1. Subscriber If you already have your login data, please click here. July – August Pages Electron microscopy studies revealed haphazardly interspersed fibrils consistent with amyloid Fig.
Si continua navegando, consideramos que acepta su uso. Lichen amyloidosis occurs primarily on the shins, although other mainly acral sites may be involved. Subscribe to our Newsletter. Amyloid globules can usually be visualized by light microscopy but are enhanced by crystal violet, thioflavin S, or Congo red stains. Combined cases of lichen and macular amyloidosis are termed biphasic amyloidosis, and provide support amiloire the theory that these two variants of amyloidosis exist on the same disease spectrum.
Print Send to a friend Export reference Mendeley Statistics. The two major forms of primary localized cutaneous amyloidosis are lichen amyloidosis and macular amyloidosis. Se continuar a navegar, consideramos que aceita o seu uso. Show more Show less. In addition amiloice these three forms, cutaneous amyloidosis can also be an incidental histopathologic finding in various neoplasms. Bakos [ 6 ] described a case of papules of the ear that stained positive with Congo Red and were associated with widespread truncal primary cutaneous amyloidosis.
The documents contained in this web site are liquej for information purposes only. SJR aniloide a similar algorithm as the Google page rank; it provides a quantitative and qualitative measure of the journal’s impact. It is thought to be more common in the Asian population.
Acanthosis and a pauci-inflammatory infiltrate are also present. The first patient is a year-old woman who presented with a 4-year history of an itchy rash that started in the bowl of her left ear, and soon after appeared on the right lique as well.