{"id":70871,"date":"2017-05-22T15:07:38","date_gmt":"2017-05-22T15:07:38","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/metastazele-creierului\/"},"modified":"2025-01-13T02:50:00","modified_gmt":"2025-01-13T02:50:00","slug":"metastazele-creierului","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/diseases\/metastazele-creierului\/","title":{"rendered":"Metastazele creierului"},"content":{"rendered":"<h2 id=\"ce-sunt-tumorile-cerebrale-metastatice\">Ce sunt tumorile cerebrale metastatice?<\/h2>\n<p>Metastazele cerebrale sunt cele mai frecvente forme de cancer cerebral, av&acirc;nd o rat\u0103 care este de zece ori mai mare dec&acirc;t tumorile primitive intrinseci ce apar la creier. Aproximativ 10% dintre pacien\u021bii diagnostica\u021bi cu cancer sistemic dezvolt\u0103 metastaze cerebrale la nivelul sistemului nervos central. Metastazele ce provin de la cancerul pulmonar sunt cele mai frecvente, de\u0219i frecven\u021ba cancerului mamar este &icirc;n cre\u0219tere, iar melanomul prezint\u0103 o predispozi\u021bie mai mare fa\u021b\u0103 de toate cancerele sistemice care dau na\u0219tere la metastaze cerebrale. 80% din metastaze sunt localizate &icirc;n emisferele cerebrale, 15% sunt localizate la nivelul cerebelului \u0219i 5% din metastaze sunt la nivelul osului.<\/p>\n<h2>\nCare sunt cauzele metastazelor cerebrale?<\/h2>\n<p>Metastazele cerebrale provin din celulele tumorale ce apar &icirc;n alte p\u0103r\u021bi ale corpului \u0219i acestea se pot r\u0103sp&acirc;ndi &icirc;n creier, unde se pot localiza &icirc;ntr-una sau mai multe loca\u021bii.<\/p>\n<h2>\nCare sunt simptomele metastazelor cerebrale?<\/h2>\n<p>Simptomele metastazelor cerebrale sunt similare cu cele ale oric\u0103rui tip de cancer al sistemului nervos \u0219i pot include convulsiile epileptice, dureri de cap \u0219i afec\u021biuni neurologice.<\/p>\n<h2>\nDiagnostic<\/h2>\n<p>Diagnosticul este realizat la &icirc;nceput printr-o scanare CT (tomografie computerizat\u0103) a capului, urmat\u0103 de o scanare cu substan\u021be de contrast \u0219i mai precis cu un RMN cerebral, incluz&acirc;nd RMN-ul de baz\u0103 \u0219i un RMN cu contrast (gadoliniu). Deseori, pacien\u021bii cu diagnostic suspect de metastaze vor efectua o scanare CT total\u0103 a corpului cu o substan\u021b\u0103 de contrast sau o scanare PET (tomografie cu emisie de pozitroni) a corpului cu scopul de a determina stadiul tumorilor sistemice.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"tratamente\">Tratamente<\/h2>\n<p>Tratamentul metastazelor cerebrale depinde de num\u0103rul acestora &icirc;n creier \u0219i de controlul tumorii primare la nivel sistemic.<br \/>\nLa pacien\u021bii f\u0103r\u0103 dovezi ale unei tumori sistemice primare, interven\u021bia chirurgical\u0103 are rolul de a ob\u021bine un diagnostic histologic al bolii \u0219i de a elimina metastazele accesibile, cu o morbiditate limitat\u0103. &Icirc;n alte cazuri, se efectueaz\u0103 o biopsie cu un ac (stereotactic\u0103) pentru a ob\u021bine un diagnostic histologic al bolii.<br \/>\nLa pacien\u021bii cu tumori sistemice controlate, &icirc;n cazul metastazelor de dimensiuni mici (p&acirc;n\u0103 la 3 cm), nu exist\u0103 diferen\u021be majore &icirc;ntre radiochirurgie \u0219i chirurgia direct\u0103 a metastazelor. &Icirc;n plus, nu exist\u0103 diferen\u021be de efect c&acirc;nd radiochirurgia este efectuat\u0103 cu un instrument cum ar fi un cu\u021bit CyberKnife sau un cu\u021bit Gamma.<\/p>\n<p>Interven\u021bia chirurgical\u0103 are un rol specific &icirc;n cazul metastazelor mari, simptomatice care sunt &icirc;nconjurate de edeme mari \u0219i care sunt accesibile. Dup\u0103 interven\u021bia chirurgical\u0103, pacientul poate fi tratat cu ajutorul radia\u021biilor cerebrale complete, de\u0219i studiile recente (EORTC) au ar\u0103tat c\u0103 am&acirc;narea WBRT (Radiografia &icirc;ntregului creier) nu modific\u0103 \u0219ansele generale de supravie\u021buire ale pacien\u021bilor, \u0219i este asociat\u0103 cu o rat\u0103 mai rapid\u0103 de reapari\u021bie local\u0103 sau la distan\u021b\u0103, dar &icirc;mbun\u0103t\u0103\u021be\u0219te performan\u021ba cognitiv\u0103 a pacientului. Administrarea postoperatorie a radioterapiei focale &icirc;mbun\u0103t\u0103\u021be\u0219te controlul local al acestei boli \u0219i nu afecteaz\u0103 performan\u021ba cognitiv\u0103 a pacientului.<\/p>\n<p>La pacien\u021bii cu o tumoare sistemic\u0103 controlat\u0103 \u0219i diferite metastaze cerebrale (p&acirc;n\u0103 la 3), interven\u021bia chirurgical\u0103 este efectuat\u0103 &icirc;n cazul metastazelor mari \u0219i accesibile \u0219i are un efect major asupra pacien\u021bilor afla\u021bi &icirc;ntr-o stare de s\u0103n\u0103tate general\u0103 bun\u0103. &Icirc;n toate celelalte cazuri, se recomand\u0103 radioterapia (radiochirurgia).<\/p>\n<p>La pacien\u021bii cu mai mult de trei metastaze \u0219i la cei cu tumori sistemice necontrolate, tratamentul cu radia\u021bii (tot creierul) este tratamentul standard.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-70871","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>Metastazele creierului - 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=\"Metastazele creierului - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Ce sunt tumorile cerebrale metastatice? 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