LIQUEN AMILOIDE PDF

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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InHicks [ 5 ] presented four additional cases of amilkide on the concha of the ear, which appeared clinically and histologically identical to those previously reported by Sanchez. Physical examination revealed a rippled hyperpigmented rectangular plaque on the upper back, as well as monomorphous shiny brown mm papules in the conchal bowl and on the scapha of the right ear Fig. In four cases of smooth papules on the aural conchae were reported by Sanchez [ 4 ].

Physical exam was remarkable for bilateral, symmetrical brown scaly mm monomorphous papules mainly on the conchal bowls Fig. Previous article Next article.

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On electron microscopy amyloid appears as haphazard and wavy nm non-branching filaments.

Show more Show less. 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

Lichen amyloidosis is a rare chronic form of cutaneous amyloidosis see this terma skin disease characterized amiloidde the accumulation of amyloid deposits in the dermis, clinically characterized by the development of pruritic, often pigmented, hyperkeratotic papules on trunk and extremities, especially on the shins, and histologically by the deposition of amyloid or amyloid-like proteins in the papillary dermis.

In these instances, auricular papules were associated with more widespread cutaneous amyloid elsewhere. Primary localized cutaneous amyloidosis is, by definition, amyloid deposition limited to the skin and not associated with underlying systemic illness.

Review of systems was unremarkable and negative ailoide alopecia, arthralgia, oral sores, and photosensitivity.

Subscriber If you already have your login data, please click here. 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 side as well. Two cases of lichen amyloidosis of the auricular concha are presented here, supplementing the already approximately twenty cases of lichen amyloidosis of the auricular concha reported to date. In addition to these three forms, cutaneous amyloidosis can also be an incidental histopathologic finding in various neoplasms.

The most prominent difference between the two forms is that clinically and histologically lichen amyloidosis shows features of chronic rubbing. Go to the members area of the website of the AEDV, https: Her past medical history was significant only for hypertension. Pemphigus Vegetans in the Inguinal Folds. Si continua navegando, consideramos que acepta su uso. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and qualitative measure of the journal’s impact.

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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 the past several years Fig.

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Identification of the deposited material comes from routine histopathology as well as electron microscopy. The high prevalence of biphasic amyloidosis supports the notion that lichen amyloidosis and macular amyloidosis are likely different manifestations of the same underlying pathologic process.

There are several case reports of cutaneous amyloidosis of the auricle occurring in the setting of systemic amiloidd [ 121314 ].

SRJ is a prestige metric based on the idea that not all citations are the same. This is likely the first documented finding of lichen amyloidosis in this location, although based on his immunostaining profile they were originally interpreted as being collagenous in nature.

The auricular concha is a recognized lique unusual site for lichen amyloidosis, and here two additional cases are reported.

The two major forms of primary localized cutaneous amyloidosis a,iloide lichen amyloidosis and macular amyloidosis. Summary and related texts. It affects multiple organ systems, including the skin. Hematoxylin and eosin stain; Mag: Print Send to a friend Export reference Mendeley Statistics.