2006
DOI: 10.1590/s0365-05962006000900019
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Urticária pigmentosa em adulto com apresentação clínica exuberante

Abstract: A mastocitose é afecção rara e heterogênea, caracterizada por aumento da densidade dos mastócitos na pele e em outros órgãos, para a qual não há tratamento específico. Descreve-se um caso de urticária pigmentosa em paciente adulta com quadro clínico exuberante.

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Cited by 3 publications
(3 citation statements)
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“…O sangue periférico raramente demonstra mastócitos circulantes. Outros órgãos frequentemente acometidos são: sistema esquelético, trato gastrointestinal, baço, linfonodos e fígado, 50 porém qualquer tecido pode sofrer infiltração dessas células. Lesões de pele ocorrem em mais de 50% dos pacientes com mastocitose sistêmica, geralmente indolente.…”
Section: Discussionunclassified
“…O sangue periférico raramente demonstra mastócitos circulantes. Outros órgãos frequentemente acometidos são: sistema esquelético, trato gastrointestinal, baço, linfonodos e fígado, 50 porém qualquer tecido pode sofrer infiltração dessas células. Lesões de pele ocorrem em mais de 50% dos pacientes com mastocitose sistêmica, geralmente indolente.…”
Section: Discussionunclassified
“…Human skin hyperpigmentation disorders, such as melasma, postinflammatory melanoderma and solar lentigo, are aesthetically undesirable conditions. In case of skin fibrosis with excess fibrous, connective tissue, which is known to be stiffer than surrounding healthy skin, is often accompanied by skin pigmentation . Moreover, as previously mentioned, skin hyperpigmentation regions such as melanomas and junctional nevi (JN) exhibit greater stiffness than normal surrounding skin .…”
Section: Discussionmentioning
confidence: 99%
“…Interestingly, skin hyperpigmentation regions such as melanomas and junctional nevi (JN) exhibit distinct mechanical properties and display 6‐fold and 1.4‐fold greater stiffness than normal surrounding skin, respectively . Especially, skin fibrosis with excess fibrous connective tissue, which is stiffer than surrounding healthy skin, is often accompanied by skin pigmentation . In recent years, the elasticity of the cellular microenvironment has been suggested as one of the key regulators of cellular physiology in many cell types, including fibroblasts, epithelial cells, and endothelial cells, where changes in substrate stiffness alter phenotypic traits as well as the expression levels of both genes and proteins .…”
Section: Introductionmentioning
confidence: 99%