{"id":93122,"date":"2009-05-05T00:00:00","date_gmt":"2009-05-05T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/aportaciones-al-estudio-de-piel-sana-y-lesiones-cutaneas-pigmentadas-mediante-espectroscopia-optica-difusa\/"},"modified":"2009-05-05T00:00:00","modified_gmt":"2009-05-05T00:00:00","slug":"aportaciones-al-estudio-de-piel-sana-y-lesiones-cutaneas-pigmentadas-mediante-espectroscopia-optica-difusa","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/tecnologia-de-la-instrumentacion\/aportaciones-al-estudio-de-piel-sana-y-lesiones-cutaneas-pigmentadas-mediante-espectroscopia-optica-difusa\/","title":{"rendered":"Aportaciones al estudio de piel sana y lesiones cut\u00e1neas pigmentadas mediante espectroscopia \u00f3ptica difusa"},"content":{"rendered":"<h2>Tesis doctoral de <strong> M\u00f3nica Cordo Chinea <\/strong><\/h2>\n<p>El incremento en la incidencia de las lesiones cut\u00e1neas pigmentada en la \u00faltima d\u00e9cada junto con el hecho de que un diagn\u00f3stico temprano ayuda a la reducci\u00f3n de la mortalidad, han propiciado la aplicaci\u00f3n de t\u00e9cnicas espectrom\u00e9tricas en el diagn\u00f3stico dermatol\u00f3gico. Estas t\u00e9cnicas se basan en la evidencia de que la presencia de c\u00e9lulas malignas altera las caracter\u00edsticas de la epidermis con respecto a una sana, originando un espectro de reflexi\u00f3n diferente. De esta forma la subjetividad de la observaci\u00f3n cl\u00ednica puede ser sustituida por una t\u00e9cnica objetiva, mejorando la especificidad y la sensibilidad. en el presente trabajo de investigaci\u00f3n se estudian los espectros de reflexi\u00f3n \u00f3ptica difusa de piel sana y lesiones cut\u00e1neas pigmentadas, evaluando su potencialidad para mejorar el diagn\u00f3stico diferencial. primeramente se han evaluado los par\u00e1metros del sistema de medida y su variabilidad en condiciones estacionarias y se han estudiado la reproducibilidad de los espectros de reflexi\u00f3n difusa en piel normal y pigmentada de un voluntario. A continuaci\u00f3n se han estudiado los espectros de 43 lesiones pigmentadas evaluadas cl\u00ednicamente por un dermat\u00f3logo en un grupo de voluntarios. se analizan en profundidad rasgos espectrales espec\u00edficos en determinadas zonas del espectro visible-infrarrojo cercano y se estudian las diferencias entre la piel sana y las lesiones, as\u00ed como entre distintas lesiones pigmentadas. Se propone la normalizaci\u00f3n de los espectros de las lesiones como alternativa a la diferenciaci\u00f3n entre lesiones cut\u00e1neas, justific\u00e1ndose dichas diferencias desde el punto de vista de los crom\u00f3foros presentes en el tejido cut\u00e1neo.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Aportaciones al estudio de piel sana y lesiones cut\u00e1neas pigmentadas mediante espectroscopia \u00f3ptica difusa<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Aportaciones al estudio de piel sana y lesiones cut\u00e1neas pigmentadas mediante espectroscopia \u00f3ptica difusa <\/li>\n<li><strong>Autor:<\/strong>\u00a0 M\u00f3nica Cordo Chinea <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Palmas de gran canaria<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 05\/05\/2009<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Sonnia Mar\u00eda L\u00f3pez Silva<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Hernandez ballester <\/li>\n<li>bernardino Clavo varas (vocal)<\/li>\n<li>susana Rios rodriguez (vocal)<\/li>\n<li>M\u00aa Luisa Dotor castilla (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de M\u00f3nica Cordo Chinea El incremento en la incidencia de las lesiones cut\u00e1neas pigmentada en la \u00faltima d\u00e9cada [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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