{"id":6589,"date":"2026-04-16T13:54:15","date_gmt":"2026-04-16T10:54:15","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/glossary\/hematoma-subgaleal\/"},"modified":"2026-04-28T09:29:49","modified_gmt":"2026-04-28T06:29:49","slug":"hematoma-subgaleal","status":"publish","type":"glossary_item","link":"https:\/\/wiki.dev.voka.io\/pt\/glossario\/hematoma-subgaleal\/","title":{"rendered":"Hematoma subgaleal"},"content":{"rendered":"\n<p>Hematoma subgaleal (do latim <em>sub-<\/em> \u2014 sob, <em>galea<\/em> \u2014 elmo e do grego <em>hematoma<\/em> \u2014 tumor de sangue) \u00e9 um ac\u00famulo patol\u00f3gico extenso de sangue l\u00edquido no espa\u00e7o do tecido conjuntivo frouxo, localizado estritamente entre o elmo tendinoso e o peri\u00f3steo craniano.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x44D;&#x442;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;-&#x438;-&#x43F;&#x430;&#x442;&#x43E;&#x444;&#x438;&#x437;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;\"><strong>Etiologia e fisiopatologia<\/strong><\/h2>\n\n<p>Este espa\u00e7o de tecido adiposo (camada &#8220;L&#8221; na estrutura do couro cabeludo) \u00e9 completamente livre. N\u00e3o possui septos ou barreiras fasciais, portanto anatomicamente abrange toda a ab\u00f3bada craniana, desde os arcos supraciliares na frente at\u00e9 a linha nucal superior na parte de tr\u00e1s.<\/p>\n\n<p>O sangramento nessa zona ocorre com mais frequ\u00eancia devido a uma forte pancada tangencial na cabe\u00e7a, les\u00e3o por tra\u00e7\u00e3o (por exemplo, ao puxar o cabelo) ou durante o parto complicado com o uso de um extrator a v\u00e1cuo. A fonte de sangramento maci\u00e7o s\u00e3o as veias emiss\u00e1rias danificadas \u2014 vasos que passam pelos ossos do cr\u00e2nio e conectam os tecidos externos com os seios venosos intracranianos.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x43A;&#x43B;&#x438;&#x43D;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x43E;&#x435;-&#x437;&#x43D;&#x430;&#x447;&#x435;&#x43D;&#x438;&#x435;\"><strong>Import\u00e2ncia cl\u00ednica<\/strong><\/h2>\n\n<p>Devido \u00e0 aus\u00eancia de restri\u00e7\u00f5es anat\u00f4micas, o hematoma subgaleal \u00e9 capaz de acomodar grandes volumes de sangue. Em adultos, o volume de sangramento pode atingir v\u00e1rias centenas de mililitros, e em rec\u00e9m-nascidos, a perda de sangue nessa \u00e1rea pode rapidamente levar a um choque hemorr\u00e1gico potencialmente fatal.<\/p>\n\n<p>Visualmente, o hematoma se espalha por toda a cabe\u00e7a. Sob a a\u00e7\u00e3o da gravidade, o sangue frequentemente desce para a regi\u00e3o facial, causando hemorragias secund\u00e1rias extensas ao redor dos olhos (sintoma dos &#8220;olhos de guaxinim&#8221;). Na palpa\u00e7\u00e3o, um sintoma de flutua\u00e7\u00e3o pronunciado \u00e9 detectado \u2014 movimento ondulat\u00f3rio do l\u00edquido sob os dedos. Ao contr\u00e1rio de um cefalohematoma, o ac\u00famulo subgaleal de sangue pode atravessar livremente as linhas de sutura cranianas. O tratamento requer monitoramento rigoroso, controle dos par\u00e2metros sangu\u00edneos e, em casos raros, remo\u00e7\u00e3o de l\u00edquido por pun\u00e7\u00e3o.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hematoma subgaleal (do latim <em>sub-<\/em> \u2014 sob, <em>galea<\/em> \u2014 elmo e do grego <em>hematoma<\/em> \u2014 tumor de sangue) \u00e9 um ac\u00famulo patol\u00f3gico extenso de sangue l\u00edquido no espa\u00e7o do tecido conjuntivo frouxo, localizado estritamente entre o elmo tendinoso e o peri\u00f3steo craniano.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-6589","glossary_item","type-glossary_item","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hematoma subgaleal: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | Voka Wiki<\/title>\n<meta name=\"description\" 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