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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Primary localized cutaneous amyloidosis is, by definition, amyloid deposition limited to the skin and not associated with underlying systemic illness. Se continuar a navegar, consideramos que aceita o seu uso.

Orphanet: Liquen amiloide

SNIP measures contextual citation impact by wighting citations based on the total number of citations in a subject field. Acanthosis and a pauci-inflammatory infiltrate are also present.

Check this box if you wish to receive a copy of your message. Print Send to a friend Export reference Mendeley Statistics. It is thought to be more common in the Asian population. The majority of cases of nodular amyloidosis are unassociated with underlying hematological malignancy [ 3 amiloied. You can change the settings or obtain more information by clicking here.

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. Rarely, it is reported to occur as an inherited familial condition [ 2 ]. The second patient is a year-old woman who presented with a long-standing pruritic rash on her upper back. Hicks demonstrated metachromatic staining with crystal violet, as well as amiooide reactivity with an anti-keratin monoclonal liqueen.

The auricular concha is a recognized although unusual site for lichen amyloidosis, and here two additional cases are reported. Biopsies were taken from both the back and the ear for histopathologic analysis. Review of systems was unremarkable and negative for alopecia, arthralgia, oral sores, and photosensitivity. In addition, a rare nodular variant of cutaneous amyloidosis exists and differs from lichenoid and macular amyloid in that it is derived from immunoglobulins.

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In four cases of smooth papules on the aural conchae were reported by Sanchez [ 4 ]. In both patients punch biopsies from the conchal bowl yielded a pauci-inflammatory specimen with orthohyperkeratosis and acanthosis Fig. The documents contained in this web site are presented for information purposes only.

Disease definition Lichen amyloidosis is a rare chronic form of cutaneous amyloidosis see this terma skin disease characterized by 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 amiliode conditions, deposited amyloid is keratinocyte derived. 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 liqquen the past several years Fig. Monomorphous shiny liiquen mm papules in the conchal bowl and on the scapha of the right ear of patient 2 Figure 4: She had been treated unsuccessfully with clobetasol ointment, although it somewhat controlled the pruritus.

The first patient is a year-old woman who presented with a 4-year history of an itchy rash that started in the amilode of ljquen left ear, and soon after appeared on the right side as well. These globules were prominently highlighted by a crystal violet stain suggesting an amyloid derivation Fig. In several of these cases infiltrative amyloid deposits became so large as to ultimately lead to hearing difficulties.

No cases of macular amyloidosis of the ear have been reported. Clinically, lichen amyloidosis consists of discrete shiny pruritic papules that may coalesce to form plaques.

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Dermatology Online Journal

Scanning magnification of an auricular papule shown in Fig. InHicks [ 5 ] presented four additional cases of papules on the concha of the ear, which appeared clinically and histologically identical to those previously reported by Sanchez.

The most prominent difference between the amiloise forms is that clinically and histologically lichen amyloidosis shows features of chronic rubbing. Her past medical history was significant only for hypertension. Additional information Further information on this disease Classification s 1 Gene s 0 Clinical signs and symptoms Publications loquen PubMed Other website s 8.

CiteScore measures average citations received per document published. Two cases of lichen amyloidosis of the auricular concha are presented here, supplementing the already approximately twenty cases of lichen amyloidosis of ajiloide auricular concha reported to date. The globules in Fig. Higher magnification of Fig. There are several case reports amilokde cutaneous amyloidosis of the auricle occurring in the setting of systemic amyloidosis [ 121314 ]. Subscribe to our Newsletter.

Liquen amiloide en las piernas | Piel. Formación continuada en dermatología

CiteScore measures average citations received per document published. Due to the striking similarities he concluded that these cases must represent the same pathologic process. 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.

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