{"id":9672,"date":"2022-02-03T11:32:40","date_gmt":"2022-02-03T14:32:40","guid":{"rendered":"https:\/\/phelcom.com\/?p=9672"},"modified":"2023-06-02T14:13:24","modified_gmt":"2023-06-02T17:13:24","slug":"retinoblastoma","status":"publish","type":"post","link":"https:\/\/phelcom.com\/pt-br\/blog\/saude\/retinoblastoma\/","title":{"rendered":"Retinoblastoma: o que \u00e9 e como perceber os sinais"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Recentemente, o apresentador Tiago Leifert e sua esposa, a jornalista Daiana Garbin, anunciaram que a filha Lua, de apenas um ano, foi diagnosticada com retinoblastoma, um tipo de c\u00e2ncer ocular raro que afeta exclusivamente crian\u00e7as. De acordo com a Associa\u00e7\u00e3o para Crian\u00e7as e Adolescentes com C\u00e2ncer (TUCCA), 400 novos casos s\u00e3o diagnosticados por ano no Brasil.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A doen\u00e7a \u00e9 classificada em dois tipos, germinal e som\u00e1tico, e apresenta alta taxa de cura quando identificada no in\u00edcio: 90%. Entretanto, 50% dos pacientes s\u00e3o diagnosticados j\u00e1 em est\u00e1gio avan\u00e7ado \u2013 como \u00e9 o caso da pequena Lua. Por isso, \u00e9 fundamental o diagn\u00f3stico precoce.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Neste artigo, entenda mais sobre o retinoblastoma, os sinais, como identificar a doen\u00e7a e os tratamentos indicados.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Retinoblastoma \u2013 o que \u00e9<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">O retinoblastoma \u00e9 um c\u00e2ncer ocular infantil, sendo mais comum em crian\u00e7as no primeiro ano de vida. <\/span><span style=\"font-weight: 400;\">Tamb\u00e9m pode ser diagnosticado como neoplasia, ou seja, uma massa de tecido anormal que possui crescimento de forma organizada.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A enfermidade pode ser classificada como<\/span> <span style=\"font-weight: 400;\">germina<\/span><span style=\"font-weight: 400;\">l, o que significa que a crian\u00e7a pode haver herdado de um dos pais, como tamb\u00e9m, e mais frequente, haver sofrido uma muta\u00e7\u00e3o logo nas primeiras divis\u00f5es do zigoto. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">O retinoblastoma germinal corresponde a \u2153 dos casos e usualmente \u00e9 classificado como m\u00faltiplo. Em outras palavras, <\/span><span style=\"font-weight: 400;\">afeta ambos os olhos ou apresenta mais de um foco tumoral no mesmo olho.<\/span><span style=\"font-weight: 400;\"> Crian\u00e7as com esse tipo geralmente s\u00e3o diagnosticadas no primeiro ano de vida.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A segunda classifica\u00e7\u00e3o \u00e9 a s<\/span><span style=\"font-weight: 400;\">om\u00e1tica<\/span><span style=\"font-weight: 400;\"> e corresponde a \u2154 dos casos. Nesse tipo, <\/span><span style=\"font-weight: 400;\">ocorre sempre como um \u00fanico tumor e sua muta\u00e7\u00e3o \u00e9 a mesma que o germinal. Entretanto,<\/span><span style=\"font-weight: 400;\"> sucede mais tardiamente durante a vida embrion\u00e1ria e <\/span><span style=\"font-weight: 400;\">seu diagn\u00f3stico e sintomatologia \u00e9 tardi<\/span><span style=\"font-weight: 400;\">o, ao redor dos dois anos. Dentro das classifica\u00e7\u00f5es da doen\u00e7a, h\u00e1 o retinoblastoma unilateral, que afeta apenas um dos olhos, e o retinoblastoma bilateral, que pode atingir um ou os dois olhos.<\/span><\/p>\n<p><a href=\"https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/c4b2ff5b-0ca6-44b5-afa0-1aed13447649.jpg\" data-lbwps-width=\"1280\" data-lbwps-height=\"1280\" data-lbwps-srcsmall=\"https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/c4b2ff5b-0ca6-44b5-afa0-1aed13447649-300x300.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10028 size-medium alignnone\" src=\"https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/c4b2ff5b-0ca6-44b5-afa0-1aed13447649-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" \/><\/a> <a href=\"https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/111414f8-dfae-4b66-a145-f3119f712286.jpg\" data-lbwps-width=\"1280\" data-lbwps-height=\"1280\" data-lbwps-srcsmall=\"https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/111414f8-dfae-4b66-a145-f3119f712286-300x300.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10030 size-medium\" src=\"https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/111414f8-dfae-4b66-a145-f3119f712286-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" \/><\/a> <a href=\"https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/8190b7d7-efd5-47bb-9073-7f5e5e8b7355.jpg\" data-lbwps-width=\"1280\" data-lbwps-height=\"1280\" data-lbwps-srcsmall=\"https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/8190b7d7-efd5-47bb-9073-7f5e5e8b7355-300x300.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10032 size-medium\" src=\"https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/8190b7d7-efd5-47bb-9073-7f5e5e8b7355-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" \/><\/a><\/p>\n<h2><span style=\"font-weight: 400;\">Retinoblastoma \u2013 sinais<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">O principal sinal do retinoblastoma \u00e9 o reflexo, \u00e1rea branca e opaca na pupila que ocorre pela massa dentro do olho, que tem por\u00e7\u00f5es claras e devolve a luz ao observador. \u00c9 popularmente conhecida como \u201colho de gato\u201d e pode ser vista em fotos tiradas com flash &#8211; quando n\u00e3o utilizado o modo redutor de olhos vermelhos &#8211; em determinadas posi\u00e7\u00f5es e ilumina\u00e7\u00f5es. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Dessa forma, o olho alterado apresenta reflexo brilhante e n\u00e3o reflexo vermelho ou n\u00e3o brilhante. Identificando tais altera\u00e7\u00f5es, um oftalmologista deve ser acionado com urg\u00eancia e, ainda que o diagn\u00f3stico n\u00e3o seja retinoblastoma, os sinais apresentados podem causar perda de vis\u00e3o, j\u00e1 que essa est\u00e1 em desenvolvimento na inf\u00e2ncia.<\/span><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Al\u00e9m desse, outros ind\u00edcios podem surgir, como:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Estrabismo;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Inflama\u00e7\u00e3o;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dor;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Incha\u00e7o;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Perda de vis\u00e3o;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vermelhid\u00e3o da parte branca do olho;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sangramento na parte anterior do olho;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Altera\u00e7\u00e3o na colora\u00e7\u00e3o da \u00edris;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Globo ocular maior que o normal.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Retinoblastoma \u2013 exames<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">O Teste do Olhinho, realizado na maternidade assim que o beb\u00ea nasce, pode ajudar a perceber anomalias nos olhos. O exame \u00e9 obrigat\u00f3rio no Brasil e \u00e9 realizado pelo SUS (Sistema \u00danico de Sa\u00fade). <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Al\u00e9m dele, \u00e9 fundamental que os pais levem seus filhos ao oftalmologista para acompanhamento preventivo, pois algumas doen\u00e7as, como a ambliopia, podem passar despercebidas pelo exame.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"> Exames como retinografia, ultrassonografia bidimensional e resson\u00e2ncia magn\u00e9tica identificam o retinoblastoma, al\u00e9m de outras enfermidades, e s\u00e3o necess\u00e1rios para um diagn\u00f3stico preciso.<\/span><\/p>\n<p><a href=\"https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/retinoblastoma.jpg\" data-lbwps-width=\"1692\" data-lbwps-height=\"1128\" data-lbwps-srcsmall=\"https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/retinoblastoma-300x200.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-9673 aligncenter\" src=\"https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/retinoblastoma.jpg\" alt=\"retinoblastoma\" width=\"1692\" height=\"1128\" srcset=\"https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/retinoblastoma.jpg 1692w, https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/retinoblastoma-1280x853.jpg 1280w, https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/retinoblastoma-980x653.jpg 980w, https:\/\/phelcom.com\/wp-content\/uploads\/2022\/02\/retinoblastoma-480x320.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1692px, 100vw\" \/><\/a><\/p>\n<h2><span style=\"font-weight: 400;\">Retinoblastoma \u2013 tratamento<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Com o diagn\u00f3stico precoce, os tumores podem ser tratados com m\u00e9todos como laserterapia e crioterapia, salvando o olho afetado e proporcionando vis\u00e3o \u00fatil para a crian\u00e7a. Em casos mais graves, como a enuclea\u00e7\u00e3o (remo\u00e7\u00e3o da massa ocular), \u00e9 poss\u00edvel colocar uma pr\u00f3tese de apar\u00eancia similar ao olho, proporcionando um resultado est\u00e9tico satisfat\u00f3rio.<\/span><\/p>\n<p><em><span style=\"font-weight: 400;\">Revisado por Paulo Schor, m\u00e9dico oftalmologista, professor livre docente e diretor de inova\u00e7\u00e3o da Universidade Federal de S\u00e3o Paulo (Unifesp) e colaborador da Faculdade de Medicina do Hospital Albert Einstein e Eduardo Ferrari Marback, m\u00e9dico oftalmologista, Professor Associado II na Universidade Federal da Bahia (UFBA) com treinamento em Cirurgia da Catarata, Oncologia Ocular e Patologia Ocular.\u00a0<\/span><\/em><\/p>\n<p>Acompanhe o blog da Phelcom e conhe\u00e7a mais detalhes sobre doen\u00e7as raras que afetam os olhos.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Diagn\u00f3stico precoce tem taxa de cura de 90%. Entenda mais sobre a doen\u00e7a, os sinais e como identific\u00e1-la. <\/p>\n","protected":false},"author":3,"featured_media":1418,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[107],"tags":[],"class_list":["post-9672","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-saude"],"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 e como perceber os sinais - PHELCOM Technologies<\/title>\n<meta name=\"description\" content=\"Entenda mais sobre o retinoblastoma, os sinais, como identificar precocemente a doen\u00e7a e os tratamentos indicados.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/phelcom.com\/pt-br\/blog\/saude\/retinoblastoma\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Retinoblastoma: o que \u00e9 e como perceber os sinais - 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