{"id":143,"date":"2025-08-01T22:06:03","date_gmt":"2025-08-01T22:06:03","guid":{"rendered":"https:\/\/dermacab.net\/?page_id=143"},"modified":"2025-08-02T21:14:54","modified_gmt":"2025-08-02T21:14:54","slug":"blastomyces-dermatitidis-blastomycose","status":"publish","type":"page","link":"https:\/\/dermacab.net\/index.php\/prise-en-charge-des-infections-sexuellement-transmissibles-ist\/ist-fongiques-ou-a-agents-opportunistes\/blastomyces-dermatitidis-blastomycose\/","title":{"rendered":"\ud83e\udda0 Blastomyces dermatitidis \u2013 Blastomycose"},"content":{"rendered":"\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<p><em>Mycose syst\u00e9mique rare, opportuniste, parfois g\u00e9nitale chez l\u2019immunod\u00e9prim\u00e9<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udccc <strong>Qu\u2019est-ce que Blastomyces dermatitidis ?<\/strong><\/h3>\n\n\n\n<p><em>Blastomyces dermatitidis<\/em> est un <strong>champignon dimorphe<\/strong>, pr\u00e9sent dans les sols humides et riches en mati\u00e8re organique, principalement en <strong>Am\u00e9rique du Nord<\/strong>, mais des cas sporadiques sont d\u00e9crits ailleurs.<br>Il est responsable de la <strong>blastomycose<\/strong>, une <strong>infection fongique profonde<\/strong>, pouvant \u00eatre <strong>cutan\u00e9e, pulmonaire ou syst\u00e9mique<\/strong>.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Chez les <strong>patients immunod\u00e9prim\u00e9s<\/strong> (VIH avanc\u00e9, greffe, cancer), la blastomycose peut s\u2019\u00e9tendre \u00e0 la <strong>sph\u00e8re g\u00e9nito-urinaire<\/strong>, mimant une tumeur ou une IST.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd2c <strong>Mode de transmission<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Inhalation de spores<\/strong> \u00e0 partir du sol contamin\u00e9 (a\u00e9rosols)<\/li>\n\n\n\n<li>Pas de <strong>transmission interhumaine<\/strong> prouv\u00e9e<\/li>\n\n\n\n<li>Atteinte g\u00e9nitale par <strong>contigu\u00eft\u00e9, diss\u00e9mination h\u00e9matog\u00e8ne<\/strong>, ou secondairement<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u26a0\ufe0f <strong>Tableau clinique<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Forme pulmonaire (la plus fr\u00e9quente) :<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Toux chronique, h\u00e9moptysie<\/li>\n\n\n\n<li>Douleurs thoraciques, fi\u00e8vre<\/li>\n\n\n\n<li>Image nodulaire ou infiltrat \u00e0 la radiographie<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Forme cutan\u00e9e :<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ulc\u00e9rations ou verrues chroniques, infiltr\u00e9es, non douloureuses<\/li>\n\n\n\n<li>Localisations souvent au visage, aux extr\u00e9mit\u00e9s<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Forme g\u00e9nitale (rare) :<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ulc\u00e9ration g\u00e9nitale chronique, indur\u00e9e<\/strong><\/li>\n\n\n\n<li>\u00c9ventuellement accompagn\u00e9e de douleurs pelviennes, fi\u00e8vre, amaigrissement<\/li>\n\n\n\n<li>Peut mimer un carcinome ou une IST ulc\u00e9reuse<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83e\uddea <strong>Diagnostic<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Culture fongique<\/strong> (lente, 2 \u00e0 4 semaines)<\/li>\n\n\n\n<li><strong>Examen direct<\/strong> \u00e0 partir de pus, biopsie ou expectoration : levure \u00e0 paroi \u00e9paisse<\/li>\n\n\n\n<li>Histologie : granulome suppur\u00e9 avec champignons<\/li>\n\n\n\n<li><strong>PCR ou s\u00e9rologie<\/strong> selon disponibilit\u00e9<\/li>\n\n\n\n<li>Recherche de diss\u00e9mination pulmonaire, osseuse ou neurologique<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udc8a <strong>Traitement<\/strong><\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Antifongiques syst\u00e9miques prolong\u00e9s<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Itraconazole PO<\/strong> pendant 6 \u00e0 12 mois (forme non s\u00e9v\u00e8re)<\/li>\n\n\n\n<li><strong>Amphot\u00e9ricine B liposomale<\/strong> IV en cas de forme diss\u00e9min\u00e9e ou immunod\u00e9pression s\u00e9v\u00e8re<\/li>\n\n\n\n<li>Suivi prolong\u00e9 post-traitement<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udee1\ufe0f <strong>Pr\u00e9vention<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Aucune prophylaxie sp\u00e9cifique disponible<\/li>\n\n\n\n<li>\u00c9viter l\u2019exposition au sol humide ou d\u00e9composition v\u00e9g\u00e9tale dans les zones end\u00e9miques<\/li>\n\n\n\n<li>Surveillance rapproch\u00e9e des immunod\u00e9prim\u00e9s symptomatiques<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83e\uddd1\ud83c\udffd\u200d\u2695\ufe0f <strong>Au cabinet du Dr Hadi HAKIM<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Orientation rapide en cas de suspicion de mycose syst\u00e9mique atypique<\/li>\n\n\n\n<li>Biopsie cutan\u00e9e ou g\u00e9nitale si ulc\u00e9ration chronique inexpliqu\u00e9e<\/li>\n\n\n\n<li>Coordination avec les sp\u00e9cialistes en infectiologie et anatomopathologie<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udcde <strong>Diagnostic diff\u00e9rentiel des ulc\u00e9rations chroniques atypiques<\/strong><\/h3>\n\n\n\n<p>\ud83d\udcde <strong>+221 33 821 31 22<\/strong><br>\ud83d\udcac <strong>WhatsApp m\u00e9dical s\u00e9curis\u00e9<\/strong><br>\ud83d\udccd <em>Cabinet de Dermatologie, Mycologie &amp; IST \u2013 Dakar<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mycose syst\u00e9mique rare, opportuniste, parfois g\u00e9nitale chez l\u2019immunod\u00e9prim\u00e9 \ud83d\udccc Qu\u2019est-ce que Blastomyces dermatitidis ? Blastomyces dermatitidis est un champignon dimorphe, pr\u00e9sent dans les sols humides et riches en mati\u00e8re organique, principalement en Am\u00e9rique du Nord, mais des cas sporadiques sont d\u00e9crits ailleurs.Il est responsable de la blastomycose, une infection fongique profonde, pouvant \u00eatre cutan\u00e9e, pulmonaire [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":220,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-143","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/dermacab.net\/index.php\/wp-json\/wp\/v2\/pages\/143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dermacab.net\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dermacab.net\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dermacab.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dermacab.net\/index.php\/wp-json\/wp\/v2\/comments?post=143"}],"version-history":[{"count":1,"href":"https:\/\/dermacab.net\/index.php\/wp-json\/wp\/v2\/pages\/143\/revisions"}],"predecessor-version":[{"id":144,"href":"https:\/\/dermacab.net\/index.php\/wp-json\/wp\/v2\/pages\/143\/revisions\/144"}],"up":[{"embeddable":true,"href":"https:\/\/dermacab.net\/index.php\/wp-json\/wp\/v2\/pages\/220"}],"wp:attachment":[{"href":"https:\/\/dermacab.net\/index.php\/wp-json\/wp\/v2\/media?parent=143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}