{"id":70413,"date":"2017-03-30T12:59:45","date_gmt":"2017-03-30T12:59:45","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/carcinom-cu-celule-merkel\/"},"modified":"2025-01-13T02:43:34","modified_gmt":"2025-01-13T02:43:34","slug":"carcinom-cu-celule-merkel","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/diseases\/carcinom-cu-celule-merkel\/","title":{"rendered":"Carcinom cu celule Merkel"},"content":{"rendered":"<h2 id=\"carcinom-cu-celule-merkel\">Carcinom cu celule Merkel<\/h2>\n<p>&nbsp;<\/p>\n<p>Carcinomul cu celule Merkel este un cancer rar de piele \u015fi extrem de agresiv, care, &icirc;n cele mai multe cazuri, este cauzat de polyomavirus care a fost descoperit &icirc;n 2008. Carcinomul cu celule Merkel numit \u015fi carcinom neuroendocrin de piele sau cancer trabecular, este un tip foarte rar de cancer de piele care se formeaz\u0103 atunci c&acirc;nd celulele Merkel prolifereaza necontrolat. Tumora cre\u015fte \u015fi se r\u0103sp&acirc;nde\u015fte rapid \u0219i &icirc;n alte p\u0103r\u021bi ale corpului. Acest tip de cancer este considerat a fi o form\u0103 de tumor\u0103 neuroendocrin\u0103. Carcinomul cu celule Merkel se dezvolt\u0103 cel mai adesea la persoanele &icirc;n v&acirc;rst\u0103 \u015fi apare de obicei ca un nodul albastru-ro\u0219u la nivelul regiunilor expuse la soare: fa\u0163\u0103, cap \u015fi g&acirc;t.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"simptome\">Simptome<\/h2>\n<p>Primul semn al carcinomului cu celule Merkel este, de obicei, un nodul ferm, nedureros pe piele cu cre\u0219tere rapid\u0103. Carcinomul cu celule Merkel are tendin\u021ba de a invada \u0163esuturile locale, \u0163esutul subcutanat, fascia \u0219i mu\u0219chii \u0219i de obicei metastazeaz\u0103 precoce, de cele mai multe ori &icirc;n ganglionii limfatici regionali. CCM se r\u0103sp&acirc;nde\u015fte agresiv prin vasele sanguine, &icirc;n special la ficat, pl\u0103m&acirc;n, creier \u0219i oase.<\/p>\n<p>Nodulul poate avea aceea\u015fi culoare ca pielea sau poate avea nuan\u021be de ro\u0219u, albastru sau violet. Nodulii variaz\u0103 &icirc;n m\u0103rime de la 0,5 cm la 5 cm &icirc;n diametru \u0219i de obicei se m\u0103resc rapid. Cele mai multe carcinoame cu celule Merkel apar pe fa\u021b\u0103, cap sau g&acirc;t, dar ele se pot dezvolta oriunde pe corp, chiar \u0219i pe zonele care nu sunt expuse la lumina soarelui.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"cauze\">Cauze<\/h2>\n<p>Nu este clar ce cauzeaza carcinomul cu celule Merkel. Un virus numit polyomavirus nou descoperit ar putea s\u0103 contribuie la dezvoltarea majorit\u0103\u021bii CCM. Aproximativ 80% din CCM au acest virus integrate &icirc;ntr-un model monoclonal, indic&acirc;nd faptul c\u0103 infec\u021bia a fost prezent\u0103 &icirc;ntr-o celul\u0103 precursoare &icirc;nainte de a deveni canceroas\u0103. Cel pu\u021bin 20% din tumorile CCM nu sunt infectate cu virus, ceea ce sugereaz\u0103 c\u0103 CCM poate avea \u0219i alte cauze.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"factori-de-risc\">Factori de risc<\/h2>\n<p>Factorii care pot cre\u015fte riscul de carcinom cu celule Merkel includ:<\/p>\n<p>Expunerea excesiv\u0103 la lumina solar\u0103 natural\u0103 sau artificial\u0103;<\/p>\n<p>Un sistem imunitar sl\u0103bit;<\/p>\n<p>Istoricul de alte tipuri de cancer de piele;<\/p>\n<p>V&acirc;rst\u0103 mai &icirc;naintat\u0103;<\/p>\n<p>Pielea deschis\u0103 la culoare.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"complicatii\">Complica\u0163ii<\/h2>\n<p>Chiar si cu tratament, carcinomul cu celule Merkel metastazeaz\u0103 frecvent la distan\u0163\u0103 de piele. El tinde s\u0103 metastazeze mai &icirc;nt&acirc;i la ganglionii limfatici din apropiere. Mai t&acirc;rziu, acesta se poate r\u0103sp&acirc;ndi la creier, oase, ficat sau pl\u0103m&acirc;ni, &icirc;n cazul acesta poate interfera cu func\u021bionarea organelor. Cancerul care a metastazat este mult mai dificil de tratat si pot fi fatal.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"preventie\">Preven\u0163ie<\/h2>\n<p>De\u015fi expunerea la lumina solar\u0103 nu este dovedit\u0103 c\u0103 determin\u0103 apari\u0163ia carcinomului cu celule Merkel, aceasta este considerat\u0103 a fi cel mai mare factor de risc pentru acest tip de cancer. Reducerea expunerii la soare poate reduce riscul de cancer de piele. Prin urmare, o persoan\u0103 ar trebui s\u0103 &icirc;ncerce s\u0103:<\/p>\n<p>Evite soarele &icirc;n timpul orelor de v&acirc;rf;<\/p>\n<p>Protejeze pielea \u0219i ochii cu o p\u0103l\u0103rie cu boruri largi, &icirc;mbr\u0103c\u0103minte \u0219i ochelari de soare cu protec\u021bie UV;<\/p>\n<p>Aplice protec\u021bie solar\u0103 din bel\u015fug \u0219i de multe ori;<\/p>\n<p>Urm\u0103reasc\u0103 orice schimbare de piele (cum ar fi: aluni\u021be, pistrui sau umflaturi care se schimb\u0103 &icirc;n dimensiune, form\u0103 sau culoare).<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-70413","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>Carcinom cu celule Merkel - 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=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Carcinom cu celule Merkel - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Carcinom cu celule Merkel &nbsp; Carcinomul cu celule Merkel este un cancer rar de piele \u015fi extrem de agresiv, care, &icirc;n cele mai multe cazuri, este cauzat de polyomavirus care a fost descoperit &icirc;n 2008. 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