{"id":72530,"date":"2019-01-31T14:04:58","date_gmt":"2019-01-31T14:04:58","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/psoriasis-2\/"},"modified":"2025-01-13T03:13:49","modified_gmt":"2025-01-13T03:13:49","slug":"psoriasis","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/fr\/diseases\/psoriasis\/","title":{"rendered":"Psoriasis"},"content":{"rendered":"<p>Le psoriasis est une maladie cutan\u00e9e courante caract\u00e9ris\u00e9e par des plaques rouges de peau \u00e9paissie et\/ou \u00e9caill\u00e9e, qui peuvent s&#8217;\u00e9tendre \u00e0 diff\u00e9rentes parties du corps. Dans le psoriasis, les nouvelles cellules croissent plus vite que l&#8217;\u00e9piderme n&#8217;est capable d&#8217;\u00e9liminer les cellules mortes ; ainsi, les cellules en exc\u00e8s s&#8217;accumulent, formant des plaques \u00e9paisses. Les \u00e9cailles ne d\u00e9mangent pas toujours, mais si elles se propagent \u00e0 d&#8217;autres parties du corps, elles peuvent \u00eatre inconfortables.<\/p>\n<p>Il est couramment transmis g\u00e9n\u00e9tiquement, impliquant un facteur g\u00e9n\u00e9tique ; un tiers de ces patients ont un proche parent atteint de psoriasis.<\/p>\n<p>Il existe quatre principaux types de psoriasis, qui peuvent \u00eatre facilement identifi\u00e9s :<\/p>\n<ul>\n<li>Psoriasis en plaques (psoriasis vulgaris) \u2013 la multiplication des \u00e9cailles r\u00e9sulte de l&#8217;accumulation de cellules mortes sur les coudes. Ce type est le plus courant.<\/li>\n<li>Psoriasis guttata, sous forme de gouttes \u2013 ce type de psoriasis se d\u00e9veloppe chez les enfants et les adolescents, g\u00e9n\u00e9ralement apr\u00e8s une infection bact\u00e9rienne de la gorge ; de petites \u00e9cailles rouges apparaissent sur une grande partie du corps, r\u00e9guli\u00e8rement pr\u00e9sentes sur le dos.<\/li>\n<li>Psoriasis pustolosa \u2013 type rare, mais mettant la vie en danger, qui se d\u00e9veloppe chez les adultes.<\/li>\n<li>Psoriasis inverse \u2013 les personnes \u00e2g\u00e9es sont affect\u00e9es, identifi\u00e9es par de grandes taches rouges humides sur les zones o\u00f9 la peau se plisse ; les taches se produisent habituellement sur les cuisses, sous le sein ou parfois, sous les aisselles.<\/li>\n<\/ul>\n<h2 id=\"\"><\/h2>\n<h2 id=\"causes\">Causes<\/h2>\n<p>Les causes du psoriasis sont inconnues, bien qu&#8217;elles soient li\u00e9es \u00e0 des probl\u00e8mes du syst\u00e8me immunitaire avec les cellules. La pouss\u00e9e peut \u00eatre soudaine ou s&#8217;aggraver en raison d&#8217;une infection, d&#8217;une blessure ou du stress. Dans certains cas, elle peut \u00eatre d\u00e9clench\u00e9e par des antid\u00e9presseurs, des antihypertenseurs, des antipalud\u00e9ens, des b\u00eata-bloquants, la consommation d&#8217;alcool et de tabac.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"symptomes\">Sympt\u00f4mes<\/h2>\n<ul>\n<li>Psoriasis en plaques \u2013 les sympt\u00f4mes suivants durent habituellement plusieurs semaines ou plusieurs mois et peuvent r\u00e9appara\u00eetre de temps \u00e0 autre.<\/li>\n<li>Plaques de peau et d&#8217;\u00e9cailles rouges \u00e9paissies qui apparaissent habituellement sur les coudes, les genoux, le dos et le cuir chevelu, derri\u00e8re les oreilles ou le long de la ligne des cheveux, et parfois sur de vieilles cicatrices<\/li>\n<li>D\u00e9mangeaisons occasionnelles dans ces r\u00e9gions<\/li>\n<li>Perte de couleur sur les ongles, l\u00e0 o\u00f9 il y a de petites fossettes. Dans les cas graves, les ongles se retirent de leur support ; dans les cas o\u00f9 les ongles deviennent \u00e9pais, ils peuvent \u00eatre confondus avec une infection fongique.<\/li>\n<li>Psoriasis guttata \u2013 les sympt\u00f4mes suivants disparaissent habituellement apr\u00e8s 4 \u00e0 6 mois ; cependant, chez 50 % des patients, il r\u00e9appara\u00eet sous une autre forme :<\/li>\n<li>Nombreuses \u00e9cailles rouge\u00e2tres, de la taille d&#8217;une pi\u00e8ce de monnaie, sur le dos ou la poitrine<\/li>\n<li>D\u00e9mangeaisons occasionnelles<\/li>\n<li>Psoriasis pustulosa \u2013 dans les cas graves, il peut se propager dans tout le corps, auquel cas une hospitalisation est n\u00e9cessaire. Les sympt\u00f4mes sont les suivants :<\/li>\n<li>De petites ampoules remplies de suppuration sur les paumes des mains et les pieds.<\/li>\n<li>Peau rouge, enflamm\u00e9e et extr\u00eamement douce<\/li>\n<li>\u00c9cailles \u00e9paisses<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id=\"facteurs-de-risque\">Facteurs de risque<\/h2>\n<p>Ant\u00e9c\u00e9dents familiaux, ob\u00e9sit\u00e9, tabagisme, infections virales et bact\u00e9riennes.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"complications\">Complications<\/h2>\n<p>Les patients psoriasiques peuvent d\u00e9velopper d&#8217;autres maladies : arthrite psoriasique, diab\u00e8te de type 2, hypertension art\u00e9rielle, maladie cardiovasculaire, syndrome m\u00e9tabolique, autre maladie auto-immune ou maladie r\u00e9nale. Si elle n&#8217;est pas trait\u00e9e, cette maladie peut mettre la vie en danger.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-72530","disease","type-disease","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Psoriasis - Humanitas.net<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Psoriasis - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Le psoriasis est une maladie cutan\u00e9e courante caract\u00e9ris\u00e9e par des plaques rouges de peau \u00e9paissie et\/ou \u00e9caill\u00e9e, qui peuvent s&#8217;\u00e9tendre \u00e0 diff\u00e9rentes parties du corps. Dans le psoriasis, les nouvelles cellules croissent plus vite que l&#8217;\u00e9piderme n&#8217;est capable d&#8217;\u00e9liminer les cellules mortes ; ainsi, les cellules en exc\u00e8s s&#8217;accumulent, formant des plaques \u00e9paisses. 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