{"id":5122,"date":"2025-05-05T13:54:56","date_gmt":"2025-05-05T16:54:56","guid":{"rendered":"https:\/\/sbrv.org\/paciente\/?post_type=doenca&#038;p=5122"},"modified":"2025-05-05T15:26:38","modified_gmt":"2025-05-05T18:26:38","slug":"retinoblastoma","status":"publish","type":"doenca","link":"https:\/\/sbrv.org\/paciente\/doencas-retina\/retinoblastoma\/","title":{"rendered":"Retinoblastoma: O que \u00e9, Sintomas, Diagn\u00f3stico e Tratamentos | SBRV"},"content":{"rendered":"\n<p>O retinoblastoma \u00e9 o tumor maligno prim\u00e1rio mais comum da retina em crian\u00e7as, geralmente diagnosticado antes dos 5 anos<sup>1<\/sup>. Quando identificado precocemente, tem alto \u00edndice de cura, mas requer tratamento imediato para preservar a vida e, quando poss\u00edvel, a vis\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">O QUE \u00c9 RETINOBLASTOMA?<\/h2>\n\n\n\n<p>Neoplasia que se origina das c\u00e9lulas fotorreceptoras da retina, podendo ser unilateral ou bilateral.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Heredit\u00e1rio:<\/strong> muta\u00e7\u00e3o germinativa de RB1, bilateral, in\u00edcio mais precoce.<\/li>\n\n\n\n<li><strong>Espor\u00e1dico:<\/strong> geralmente unilateral.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">CAUSAS E FATORES DE RISCO<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Muta\u00e7\u00e3o no gene <em>RB1<\/em>: causa principal.<\/li>\n\n\n\n<li>Hist\u00f3rico familiar: 40 % dos casos heredit\u00e1rios.<\/li>\n\n\n\n<li>S\u00edndromes associadas: trilogia de Retinoblastoma \u2013 osteossarcoma.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">SINTOMAS<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Leucoc\u00f3ria:<\/strong> reflexo branco na pupila (fotografias com flash).<\/li>\n\n\n\n<li><strong>Estrabismo:<\/strong> desvio ocular.<\/li>\n\n\n\n<li>Vermelhid\u00e3o e dor ocular (em casos avan\u00e7ados).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">DIAGN\u00d3STICO<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Exame de fundo de olho sob anestesia.<\/li>\n\n\n\n<li>Ultrassom ocular (B-scan): avalia massa intrarretiniana.<\/li>\n\n\n\n<li>Resson\u00e2ncia magn\u00e9tica: exclui extens\u00e3o orbital e cerebral.<\/li>\n\n\n\n<li>Exames gen\u00e9ticos: confirmam muta\u00e7\u00e3o <em>RB1<\/em>.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">TRATAMENTO<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Quimioemboliza\u00e7\u00e3o intra-arterial:<\/strong> quimioterapia seletiva no tronco oft\u00e1lmico<sup>2<\/sup>.<\/li>\n\n\n\n<li><strong>Quimioterapia sist\u00eamica:<\/strong> casos bilaterais ou metast\u00e1ticos.<\/li>\n\n\n\n<li><strong>Terapia local:<\/strong> crioterapia, termoterapia, laser transpupilar.<\/li>\n\n\n\n<li><strong>Enuclea\u00e7\u00e3o:<\/strong> remo\u00e7\u00e3o do olho nos casos em que a vida est\u00e1 em risco ou vis\u00e3o n\u00e3o restaur\u00e1vel.<\/li>\n\n\n\n<li><strong>Radioterapia focal:<\/strong> em situa\u00e7\u00f5es espec\u00edficas.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">PROGN\u00d3STICO<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sobrevida global:<\/strong> >90 % em pa\u00edses desenvolvidos com tratamento oportuno<sup>3<\/sup>.<\/li>\n\n\n\n<li><strong>Vis\u00e3o:<\/strong> preservada em at\u00e9 70 % nos casos unilaterais tratados rapidamente.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">PREVEN\u00c7\u00c3O E CUIDADOS<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Triagem neonatal em fam\u00edlias de risco.<\/li>\n\n\n\n<li>Acompanhamento gen\u00e9tico e oftalmol\u00f3gico anual at\u00e9 os 5 anos.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">PERGUNTAS FREQUENTES<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Retinoblastoma \u00e9 heredit\u00e1rio?<\/strong><br>\u2013 Pode ser; avalie com aconselhamento gen\u00e9tico.<\/li>\n\n\n\n<li><strong>Fotografias ajudam no diagn\u00f3stico?<\/strong><br>\u2013 Sim; reflexo branco (leucocoria) em flash \u00e9 alerta.<\/li>\n\n\n\n<li><strong>Enuclea\u00e7\u00e3o sempre necess\u00e1ria?<\/strong><br>\u2013 Nem sempre; depende do tamanho e localiza\u00e7\u00e3o do tumor.<\/li>\n\n\n\n<li><strong>Existe tratamento sem perder o olho?<\/strong><br>\u2013 Em muitos casos, sim, com quimioterapia intra-arterial.<\/li>\n\n\n\n<li><strong>Risco de segundo tumor?<\/strong><br>\u2013 Aumenta em formas heredit\u00e1rias; monitorar a vida toda.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">REFER\u00caNCIAS BIBLIOGR\u00c1FICAS<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Dimaras H, et al. Retinoblastoma. <em>The Lancet<\/em>. 2012;379(9824):1436\u20131446.<\/li>\n\n\n\n<li>Abramson DH, et al. Intra-arterial chemotherapy for retinoblastoma. <em>Ophthalmology<\/em>. 2018;125(10):1665\u20131673.<\/li>\n\n\n\n<li>Broaddus E, et al. Survival outcomes in retinoblastoma. <em>Pediatr Blood Cancer<\/em>. 2020;67(5):e28100.<\/li>\n<\/ol>\n","protected":false},"template":"","class_list":["post-5122","doenca","type-doenca","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Retinoblastoma: O que \u00e9, Sintomas, Diagn\u00f3stico e Tratamentos | SBRV - SBRV - \u00c1rea do Paciente<\/title>\n<meta name=\"description\" content=\"Retinoblastoma: conhe\u00e7a sinais, diagn\u00f3stico e terapias para este tumor ocular infantil. 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