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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Histopathologically, these two entities appear to be quite similar and occur as amorphous pink globules in the papillary dermis.
In addition, one of the patients had macular amyloidosis of the upper back. Subscriber If you already have your login data, please click here.
In addition, a rare nodular variant of cutaneous amyloidosis exists and differs from lichenoid and macular amyloid in that it is amlloide from immunoglobulins. Clinically, lichen amyloidosis consists of discrete shiny pruritic papules that may coalesce to form plaques. An electron micrograph of an auricular papule from patient 1.
Lichen amyloidosis of the auricular concha: Report of two cases and review of the literature
The finding of the auricular concha as a site involved in biphasic amyloidosis is of interest, and further supports the theory of lichen and macular amyloidosis as falling on differing ends of the same disease spectrum. This item has received. Discrete globules were detected immediately beneath the dermo-epidermal junction in the papillary dermis Fig. Other search option s Alphabetical list.
Hematoxylin and eosin stain; Mag: The exact relationship between macular and lichenoid amyloidosis is unknown. The first patient is a year-old woman who presented with a 4-year history of pruritic amlloide that started in the amiloode bowl of her left ear, and soon after appeared on the right side as well.
The second patient is a year-old woman who presented with a long-standing pruritic rash on her upper back. Print Send to a friend Export reference Mendeley Statistics. Continuing navigation will be considered as acceptance of this use. Identification of the deposited material comes from routine histopathology as well as electron microscopy.
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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 [ amloide ].
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.
Higher magnification of Fig. Pemphigus Vegetans in the Inguinal Folds. If you are a member of the AEDV: 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. Hicks demonstrated metachromatic staining with crystal violet, as well as immunoperoxidase reactivity with an anti-keratin monoclonal antibody.
Liquen amiloide en las piernas | Piel. Formación continuada en dermatología
The two major forms of primary localized cutaneous liquwn are lichen amyloidosis and macular amyloidosis. Subscriber If you already have your login data, please click here. Other authors have proposed that lichen amyloidosis and macular amyloidosis lie along the same spectrum, and that intermediate forms exist [ 15 ].
The two cases of lichen amyloidosis of the ear presented here add to the growing number of cases reported at this anatomic site, which is likely the result of ease of accessibility and propensity for rubbing. Amiloiide amyloidosis is associated sporadically with a myriad of inflammatory disorders. Health care resources for this disease Expert centres 22 Diagnostic tests 3 Patient organisations 2 Orphan drug s 0.
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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 liqjen over the past several years Fig. A collection of haphazardly interspersed fibrils are seen, consistent with amyloid Figure 8: From Monday to Friday from 9 a. In all, at least a dozen cases of lichen amyloidosis of the auricular concha have been reported in the English literature with additional reports existing in French [ 8 ], Spanish [ 910 ], and Portuguese [ 11 ].
The documents contained in this web site are presented for information purposes only. This had become noticeably darker over the past several years.