{"id":41401,"date":"2026-02-08T18:30:00","date_gmt":"2026-02-08T21:30:00","guid":{"rendered":"https:\/\/www.grupomedcof.com.br\/blog\/?p=41401"},"modified":"2026-02-03T10:33:31","modified_gmt":"2026-02-03T13:33:31","slug":"oncopediatria-no-plantao-decifrando-sinais-de-alerta","status":"publish","type":"post","link":"https:\/\/www.grupomedcof.com.br\/blog\/oncopediatria-no-plantao-decifrando-sinais-de-alerta\/","title":{"rendered":"Oncopediatria no Plant\u00e3o: decifrando sinais de alerta"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Sum\u00e1rio<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar tabela de conte\u00fado\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.grupomedcof.com.br\/blog\/oncopediatria-no-plantao-decifrando-sinais-de-alerta\/#Quando_Suspeitar\" >Quando Suspeitar?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.grupomedcof.com.br\/blog\/oncopediatria-no-plantao-decifrando-sinais-de-alerta\/#Tumores_de_Sistema_Nervoso_Central_SNC\" >Tumores de Sistema Nervoso Central (SNC)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.grupomedcof.com.br\/blog\/oncopediatria-no-plantao-decifrando-sinais-de-alerta\/#Neoplasias_Hematologicas\" >Neoplasias Hematol\u00f3gicas<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.grupomedcof.com.br\/blog\/oncopediatria-no-plantao-decifrando-sinais-de-alerta\/#Leucemia_Linfoide_Aguda_LLA\" >Leucemia Linf\u00f3ide Aguda (LLA)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.grupomedcof.com.br\/blog\/oncopediatria-no-plantao-decifrando-sinais-de-alerta\/#Leucemia_Mieloide_Aguda_LMA\" >Leucemia Mieloide Aguda (LMA)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.grupomedcof.com.br\/blog\/oncopediatria-no-plantao-decifrando-sinais-de-alerta\/#Linfomas\" >Linfomas<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.grupomedcof.com.br\/blog\/oncopediatria-no-plantao-decifrando-sinais-de-alerta\/#O_diferencial_das_Massas_Abdominais\" >O diferencial das Massas Abdominais<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.grupomedcof.com.br\/blog\/oncopediatria-no-plantao-decifrando-sinais-de-alerta\/#Tumores_Osseos_o_grande_dilema_da_dor\" >Tumores \u00d3sseos: o grande dilema da dor<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.grupomedcof.com.br\/blog\/oncopediatria-no-plantao-decifrando-sinais-de-alerta\/#Conquiste_a_aprovacao_e_acompanhe_mais_conteudos\" >Conquiste a aprova\u00e7\u00e3o e acompanhe mais conte\u00fados!<\/a><\/li><\/ul><\/nav><\/div>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/Blog-MedCof-2026-02-03T102411.706-1024x576.jpg\" alt=\"\" class=\"wp-image-41410\" srcset=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/Blog-MedCof-2026-02-03T102411.706-1024x576.jpg 1024w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/Blog-MedCof-2026-02-03T102411.706-300x169.jpg 300w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/Blog-MedCof-2026-02-03T102411.706-768x432.jpg 768w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/Blog-MedCof-2026-02-03T102411.706-1536x864.jpg 1536w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/Blog-MedCof-2026-02-03T102411.706-747x420.jpg 747w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/Blog-MedCof-2026-02-03T102411.706-150x84.jpg 150w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/Blog-MedCof-2026-02-03T102411.706-696x392.jpg 696w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/Blog-MedCof-2026-02-03T102411.706-1068x601.jpg 1068w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/Blog-MedCof-2026-02-03T102411.706.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>A <strong>oncologia pedi\u00e1trica<\/strong> \u00e9 um campo de alta complexidade, respons\u00e1vel por cerca de<strong> 2,5% de todos os casos de c\u00e2ncer no Brasil.<\/strong> Embora a sobrevida em centros desenvolvidos ultrapasse os 70%, a m\u00e9dia nacional ainda \u00e9 mais baixa, tornando a <strong>suspeita precoce<\/strong> e o encaminhamento r\u00e1pido fatores cruciais.<\/p>\n\n\n\n<p>Muitas vezes, o primeiro contato com essa crian\u00e7a ser\u00e1 no pronto-socorro ou no ambulat\u00f3rio, com queixas aparentemente comuns.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-quando-suspeitar\"><span class=\"ez-toc-section\" id=\"Quando_Suspeitar\"><\/span><strong>Quando Suspeitar?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Diferente do adulto, os sinais e sintomas em pediatria s\u00e3o frequentemente <strong>inespec\u00edficos<\/strong>. Fique atento a padr\u00f5es que fogem do comum:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Febre:<\/strong> Especialmente se prolongada e sem foco infeccioso claro (pode indicar Leucemias, Linfomas, Neuroblastoma, Ewing).<\/li>\n\n\n\n<li><strong>Dor \u00d3ssea:<\/strong> Um sinal de alerta maior. Dor que \u00e9 incapacitante, n\u00e3o deixa a crian\u00e7a brincar, causa irritabilidade ou a acorda \u00e0 noite (Leucemias, Neuroblastoma, Tumores \u00d3sseos).<\/li>\n\n\n\n<li><strong>Perda de Peso:<\/strong> Principalmente em Linfomas e Neuroblastoma.<\/li>\n\n\n\n<li><strong>Palidez e Fadiga:<\/strong> Sugere infiltra\u00e7\u00e3o medular (Leucemias, Linfomas, Neuroblastoma, Ewing, Rabdomiossarcoma, Wilms).<\/li>\n\n\n\n<li><strong>Sangramentos Anormais:<\/strong> Pet\u00e9quias e equimoses desproporcionais (Leucemias, tumores infiltrando medula \u00f3ssea).<\/li>\n\n\n\n<li><strong>Linfadenopatia:<\/strong> Especialmente se n\u00e3o melhora com antibioticoterapia.<\/li>\n\n\n\n<li><strong>Cefaleia e V\u00f4mitos:<\/strong> Sinais cl\u00e1ssicos de hipertens\u00e3o intracraniana (Tumores de SNC).<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"810\" height=\"482\" src=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-20.png\" alt=\"\" class=\"wp-image-41402\" srcset=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-20.png 810w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-20-300x179.png 300w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-20-768x457.png 768w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-20-706x420.png 706w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-20-150x89.png 150w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-20-696x414.png 696w\" sizes=\"auto, (max-width: 810px) 100vw, 810px\" \/><figcaption class=\"wp-element-caption\">Distribui\u00e7\u00e3o das Neoplasias na faixa et\u00e1ria Pedi\u00e1trica. Fonte: <a href=\"http:\/\/inca.gov\">inca.gov<\/a>\u00a0<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-tumores-de-sistema-nervoso-central-snc\"><span class=\"ez-toc-section\" id=\"Tumores_de_Sistema_Nervoso_Central_SNC\"><\/span><strong>Tumores de Sistema Nervoso Central (SNC)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Os tumores de SNC s\u00e3o as <strong>neoplasias s\u00f3lidas mais comuns<\/strong> na inf\u00e2ncia, com 50-60% localizados na fossa posterior (infratentoriais). Os sintomas variam drasticamente com a localiza\u00e7\u00e3o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tumores Infratentoriais (Fossa Posterior):<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Sintoma cl\u00e1ssico:<\/strong> Hidrocefalia obstrutiva. Isso se traduz em cefaleia cr\u00f4nica e progressiva, irritabilidade e, classicamente, <strong>v\u00f4mitos matinais<\/strong>.<\/li>\n\n\n\n<li><strong>Ataxia:<\/strong> Ocorre por afeta\u00e7\u00e3o do cerebelo.<\/li>\n\n\n\n<li><strong>Em lactentes:<\/strong> Os sintomas de HIC podem ser mascarados pelo <strong>aumento do per\u00edmetro cef\u00e1lico (PC)<\/strong> e abaulamento de fontanela.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Tumores Supratentoriais:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Sinal cl\u00e1ssico:<\/strong> <strong>Crises epil\u00e9pticas de in\u00edcio abrupto<\/strong>.<\/li>\n\n\n\n<li>Podem apresentar d\u00e9ficits motores\/sensitivos focais ou altera\u00e7\u00f5es comportamentais.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Tumores de Tronco Encef\u00e1lico:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Apresentam-se com d\u00e9ficits de nervos cranianos (ex: estrabismo, perda auditiva) e d\u00e9ficits motores.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>O diagn\u00f3stico \u00e9 feito por TC ou RNM de cr\u00e2nio e confirmado por bi\u00f3psia.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-neoplasias-hematologicas\"><span class=\"ez-toc-section\" id=\"Neoplasias_Hematologicas\"><\/span><strong>Neoplasias Hematol\u00f3gicas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-leucemia-linfoide-aguda-lla\"><span class=\"ez-toc-section\" id=\"Leucemia_Linfoide_Aguda_LLA\"><\/span><strong>Leucemia Linf\u00f3ide Aguda (LLA)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A LLA \u00e9 a <strong>neoplasia mais comum da inf\u00e2ncia<\/strong> (30% dos c\u00e2nceres em &lt; 15 anos), com pico de incid\u00eancia entre 3 e 5 anos.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Quadro Cl\u00ednico:<\/strong> Geralmente agudo (dias a semanas). Apresenta-se com os &#8220;3 P&#8217;s&#8221; da fal\u00eancia medular: Palidez (anemia), Pet\u00e9quias\/P\u00farpuras (plaquetopenia) e Propens\u00e3o a infec\u00e7\u00f5es (neutropenia).<\/li>\n\n\n\n<li><strong>Sinais Espec\u00edficos:<\/strong> Dor \u00f3ssea intensa, hepatoesplenomegalia, adenomegalias e <strong>aumento testicular indolor<\/strong>. A invas\u00e3o do SNC pode causar paralisia facial.<\/li>\n\n\n\n<li><strong>Diagn\u00f3stico:<\/strong> A confirma\u00e7\u00e3o \u00e9 feita pelo <strong>Mielograma<\/strong>, que deve mostrar $\\ge 25\\%$ de linfoblastos.<\/li>\n\n\n\n<li><strong>Pior Progn\u00f3stico:<\/strong> Idade (&lt; 1 ano ou > 10 anos), Leucometria inicial > 100.000, e a transloca\u00e7\u00e3o t(9;22) (Cromossomo Philadelphia).<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"377\" height=\"503\" src=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-21.png\" alt=\"\" class=\"wp-image-41403\" srcset=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-21.png 377w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-21-225x300.png 225w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-21-315x420.png 315w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-21-150x200.png 150w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-21-300x400.png 300w\" sizes=\"auto, (max-width: 377px) 100vw, 377px\" \/><figcaption class=\"wp-element-caption\">Linfonodomegalia cervical. Fonte: Acervo de aulas do Grupo MedCof.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"315\" height=\"339\" src=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-22.png\" alt=\"\" class=\"wp-image-41404\" srcset=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-22.png 315w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-22-279x300.png 279w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-22-150x161.png 150w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-22-300x323.png 300w\" sizes=\"auto, (max-width: 315px) 100vw, 315px\" \/><figcaption class=\"wp-element-caption\">Imagem 2: Radiografia de paciente com LLA. Fonte: Acervo de aulas do Grupo MedCof.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-leucemia-mieloide-aguda-lma\"><span class=\"ez-toc-section\" id=\"Leucemia_Mieloide_Aguda_LMA\"><\/span><strong>Leucemia Mieloide Aguda (LMA)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Representa 15-20% das leucemias em &lt; 15 anos.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Quadro Cl\u00ednico:<\/strong> Semelhante \u00e0 LLA (febre, sangramentos).<\/li>\n\n\n\n<li><strong>Sinal Diferencial:<\/strong> \u00c9 mais comum ocorrer infiltra\u00e7\u00e3o de outros s\u00edtios, formando o <strong>Cloroma<\/strong> (ac\u00famulo extramedular de blastos), frequentemente em face, \u00f3rbita ou cr\u00e2nio.<\/li>\n\n\n\n<li><strong>Aten\u00e7\u00e3o:<\/strong> O subtipo M3 frequentemente cursa com fen\u00f4menos hemorr\u00e1gicos graves, como CIVD.<\/li>\n\n\n\n<li><strong>Diagn\u00f3stico:<\/strong> Mielograma com 20-25% de blastos miel\u00f3ides.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"554\" height=\"552\" src=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-23.png\" alt=\"\" class=\"wp-image-41405\" srcset=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-23.png 554w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-23-300x299.png 300w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-23-150x149.png 150w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-23-422x420.png 422w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-23-96x96.png 96w\" sizes=\"auto, (max-width: 554px) 100vw, 554px\" \/><figcaption class=\"wp-element-caption\">Tomografia de Cloromas em Cr\u00e2nio. Fonte: Acervo de aulas do Grupo MedCof.\u00a0<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"487\" height=\"529\" src=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-24.png\" alt=\"\" class=\"wp-image-41406\" srcset=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-24.png 487w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-24-276x300.png 276w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-24-387x420.png 387w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-24-150x163.png 150w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-24-300x326.png 300w\" sizes=\"auto, (max-width: 487px) 100vw, 487px\" \/><figcaption class=\"wp-element-caption\">Cloromas em face. Acervo de aulas do Grupo MedCof.\u00a0<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-linfomas\"><span class=\"ez-toc-section\" id=\"Linfomas\"><\/span><strong>Linfomas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Linfoma de Hodgkin (LH):<\/strong> O quadro cl\u00e1ssico \u00e9 uma massa tumoral de crescimento progressivo e cont\u00edguo, 60% em regi\u00e3o cervical ou supraclavicular. 2\/3 dos pacientes apresentam alargamento do mediastino. A presen\u00e7a de <strong>Sintomas B<\/strong> (febre, perda de peso > 10% em 6 meses, sudorese noturna) \u00e9 fundamental.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"481\" height=\"381\" src=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-25.png\" alt=\"\" class=\"wp-image-41407\" srcset=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-25.png 481w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-25-300x238.png 300w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-25-150x119.png 150w\" sizes=\"auto, (max-width: 481px) 100vw, 481px\" \/><figcaption class=\"wp-element-caption\">\u00a0PET-CT. Fonte: acervo de aulas do Grupo MedCof.\u00a0<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Linfoma N\u00e3o-Hodgkin (LNH):<\/strong> \u00c9 o 3\u00ba c\u00e2ncer mais frequente. A principal caracter\u00edstica \u00e9 o <strong>crescimento r\u00e1pido<\/strong>, e muitos pacientes j\u00e1 se apresentam ao diagn\u00f3stico com sinais de fal\u00eancia medular. O Linfoma de Burkitt \u00e9 um subtipo comum.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-o-diferencial-das-massas-abdominais\"><span class=\"ez-toc-section\" id=\"O_diferencial_das_Massas_Abdominais\"><\/span><strong>O diferencial das Massas Abdominais<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Este \u00e9 um dos cen\u00e1rios mais cl\u00e1ssicos da oncopediatria. As tr\u00eas neoplasias abdominais mais frequentes s\u00e3o<strong> Neuroblastoma, Tumor de Wilms e Hepatoblastoma.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Caracter\u00edstica<\/strong><\/td><td><strong>Neuroblastoma<\/strong><\/td><td><strong>Tumor de Wilms (Nefroblastoma)<\/strong><\/td><td><strong>Hepatoblastoma<\/strong><\/td><\/tr><tr><td><strong>Idade Pico<\/strong><\/td><td>&lt; 2 anos (m\u00e9dia 22 meses)<\/td><td>3 &#8211; 4 anos<\/td><td>6 meses &#8211; 3 anos<\/td><\/tr><tr><td><strong>Apresenta\u00e7\u00e3o<\/strong><\/td><td><strong>Sist\u00eamico:<\/strong> Crian\u00e7a em mau estado geral, febre, dor \u00f3ssea, perda de peso.<\/td><td><strong>Localizado:<\/strong> Crian\u00e7a geralmente assintom\u00e1tica, bom estado geral.<\/td><td>Geralmente massa assintom\u00e1tica.<\/td><\/tr><tr><td><strong>Massa Abdominal<\/strong><\/td><td><strong>Ultrapassa a linha m\u00e9dia<\/strong>.<\/td><td><strong>N\u00e3o ultrapassa a linha m\u00e9dia<\/strong>.<\/td><td>Massa hep\u00e1tica.<\/td><\/tr><tr><td><strong>Sinais Cl\u00e1ssicos<\/strong><\/td><td><strong>Equimose periorbit\u00e1ria<\/strong> (olhos de guaxinim), n\u00f3dulos subcut\u00e2neos (<em>blueberry muffins<\/em>).<\/td><td><strong>Tr\u00edade:<\/strong> Massa abdominal, Hemat\u00faria (25%), HAS (25%).<\/td><td>Anorexia, perda de peso.<\/td><\/tr><tr><td><strong>Marcador<\/strong><\/td><td><strong>Aumento de catecolaminas urin\u00e1rias<\/strong> (VMA e \u00c1cido Homovan\u00edlico).<\/td><td>Nenhum espec\u00edfico.<\/td><td><strong>Eleva\u00e7\u00e3o de Alfafetoprote\u00edna (AFP)<\/strong>.<\/td><\/tr><tr><td><strong>Radiologia<\/strong><\/td><td><strong>Calcifica\u00e7\u00f5es<\/strong> s\u00e3o frequentes.<\/td><td>Calcifica\u00e7\u00f5es s\u00e3o raras.<\/td><td>Massa hep\u00e1tica.<\/td><\/tr><tr><td><strong>Progn\u00f3stico<\/strong><\/td><td>Pior progn\u00f3stico, met\u00e1stases frequentes ao diagn\u00f3stico.<\/td><td>Bom progn\u00f3stico, met\u00e1stases raras.<\/td><td>Depende da ressec\u00e7\u00e3o.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-tumores-osseos-o-grande-dilema-da-dor\"><span class=\"ez-toc-section\" id=\"Tumores_Osseos_o_grande_dilema_da_dor\"><\/span><strong>Tumores \u00d3sseos: o grande dilema da dor<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A dor \u00f3ssea \u00e9 o sintoma central. O diferencial cl\u00e1ssico se d\u00e1 entre os dois tumores \u00f3sseos malignos mais comuns:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Osteossarcoma<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Perfil:<\/strong> \u00c9 o mais comum (60% dos tumores \u00f3sseos). O pico ocorre na segunda d\u00e9cada, durante o <strong>estir\u00e3o da puberdade<\/strong>.<\/li>\n\n\n\n<li><strong>Localiza\u00e7\u00e3o:<\/strong> Met\u00e1fise de ossos longos, principalmente <strong>f\u00eamur distal<\/strong> e <strong>t\u00edbia proximal<\/strong> (regi\u00e3o do joelho).<\/li>\n\n\n\n<li><strong>Cl\u00ednica:<\/strong> Apresenta\u00e7\u00e3o <strong>localizada<\/strong>. Dor persistente e progressiva, aumento de volume e sinais flog\u00edsticos locais (calor e eritema).<\/li>\n\n\n\n<li><strong>Diagn\u00f3stico:<\/strong> RX \u00f3sseo com imagem caracter\u00edstica de <strong>&#8220;raios de sol&#8221;<\/strong> (sunburst). O principal s\u00edtio de met\u00e1stase \u00e9 o pulm\u00e3o.<\/li>\n\n\n\n<li><strong>Tratamento:<\/strong> Quimioterapia (QT) neoadjuvante + Cirurgia + QT adjuvante.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"385\" height=\"524\" src=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-27.png\" alt=\"\" class=\"wp-image-41409\" srcset=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-27.png 385w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-27-220x300.png 220w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-27-309x420.png 309w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-27-150x204.png 150w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-27-300x408.png 300w\" sizes=\"auto, (max-width: 385px) 100vw, 385px\" \/><figcaption class=\"wp-element-caption\">\u00a0Sinal de raios de sol. Fonte: <a href=\"http:\/\/radiopaedia.org\">Radiopaedia.org<\/a>\u00a0<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Sarcoma de Ewing<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Perfil:<\/strong> Tumor raro, tamb\u00e9m com pico na $2^{a}$ d\u00e9cada. 50% ocorrem no esqueleto axial.<\/li>\n\n\n\n<li><strong>Cl\u00ednica:<\/strong> Apresenta\u00e7\u00e3o <strong>sist\u00eamica<\/strong>. Al\u00e9m da dor localizada, cursa com <strong>emagrecimento, febre e anemia<\/strong>.<\/li>\n\n\n\n<li><strong>Diagn\u00f3stico:<\/strong> RX \u00f3sseo com achado t\u00edpico de <strong>&#8220;casca de cebola&#8221;<\/strong> (onion skin). Requer estadiamento completo, incluindo mielograma\/bi\u00f3psia de medula \u00f3ssea.<\/li>\n\n\n\n<li><strong>Tratamento:<\/strong> QT + Cirurgia ou Radioterapia (RTX) + QT.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"226\" height=\"475\" src=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-26.png\" alt=\"\" class=\"wp-image-41408\" srcset=\"https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-26.png 226w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-26-143x300.png 143w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-26-200x420.png 200w, https:\/\/www.grupomedcof.com.br\/blog\/wp-content\/uploads\/2026\/02\/image-26-150x315.png 150w\" sizes=\"auto, (max-width: 226px) 100vw, 226px\" \/><figcaption class=\"wp-element-caption\">Sinal da casca de cebola. Fonte: <a href=\"http:\/\/radiopaedia.org\">Radiopaedia.org<\/a>\u00a0<\/figcaption><\/figure>\n\n\n\n<p>O diagn\u00f3stico precoce em oncopediatria muda drasticamente o progn\u00f3stico. A suspeita cl\u00ednica correta e o encaminhamento \u00e1gil s\u00e3o nossas ferramentas mais importantes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conquiste-a-aprovacao-e-acompanhe-mais-conteudos\"><span class=\"ez-toc-section\" id=\"Conquiste_a_aprovacao_e_acompanhe_mais_conteudos\"><\/span><strong>Conquiste a aprova\u00e7\u00e3o e acompanhe mais conte\u00fados!<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Gostou do conte\u00fado? Continue acompanhando nosso blog para ficar por dentro das principais\u00a0<strong>not\u00edcias sobre resid\u00eancia m\u00e9dica, editais e oportunidades que podem transformar sua carreira!<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"youtube-embed\" data-video_id=\"09ZsjDH9sOg\"><iframe loading=\"lazy\" title=\"SEMANA HIIT R+ PEDIATRIA - Aula 03: Emerg\u00eancias Oncol\u00f3gicas\" width=\"696\" height=\"392\" src=\"https:\/\/www.youtube.com\/embed\/09ZsjDH9sOg?feature=oembed&#038;enablejsapi=1\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Saiba quando suspeitar de c\u00e2ncer infantil, sinais de alerta, leucemias, tumores do SNC, linfomas e massas abdominais. <\/p>\n","protected":false},"author":21,"featured_media":41410,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[74,120],"tags":[3521],"ppma_author":[3617],"class_list":{"0":"post-41401","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-oncologia","8":"category-pediatria","9":"tag-oncopediatria"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.3 (Yoast SEO v27.3) - 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