Lesiones elementales
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Transcript of Lesiones elementales
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Lesiones elementales
Curso de Dermatología UNIBE
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Epidermis
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Dermis
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Uniones intercelulares
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Descamación de la piel
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Función inmunológica• Primer frente para la generación de una respuesta inmune
• Células dendriticas procesadora de antígenos
• Producción de citokinas por parte de células de epidermis
• Linfocitos residentes de la dermis
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Células de Langerhans
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Melanocitos
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Dermis
• Dermis papilar• Dermis reticular • Macrófagos• Fibroblastos
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Unidad pilosebácea
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Lesiones elementales
• MACULA: área circunscrita, plana se diferencia de la piel vecina por color.
• PAPULA: área sólida, elevada, diámetro igual o menor a 5 mm.
• NODULO: área sólida, elevada, mide más 5 mm diámetro.
• PLACA: área elevada superficie plana, mayor 5 mm diámetro.
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Lesiones elementales de contenido líquido
• VESÍCULA: área elevada llena líquido, diámetro igual o menor a 5 mm.
• BULA: área elevada ocupada líquido, mide más 5 mm AMPOLLA : término que se emplea para vesículas y bulas.
• PÚSTULA: lesión purulenta, elevada, pequeña.
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Lesiones elementales
• RONCHA: área elevada, pruriginosa, transitoria, blanqueada, con eritema irregular debido edema dermis (habon).
• ESCAMA: excrecencia seca, córnea, forma placa, por queratinización imperfecta.
• LIQUENIFICACIÓN: piel gruesa, áspera,marcas cutáneas prominentes, consecuencia roces repetidos.
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Macula
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Macula
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Pápula
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Placa
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Roncha
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Vesículas y bulas
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Nódulo
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Vesículas
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Erosiones
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Pústulas
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Quiste
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Atrofia
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Atrofia
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Costra
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Escama
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Patrones
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Patrones
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Topografía