{"id":1205,"date":"2025-09-08T11:06:04","date_gmt":"2025-09-08T08:06:04","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/%d0%b0%d0%b1%d1%81%d1%86%d0%b5%d1%81%d1%81\/"},"modified":"2026-08-10T16:25:57","modified_gmt":"2026-08-10T13:25:57","slug":"abscesso","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/pt\/glossario\/abscesso\/","title":{"rendered":"Abscesso"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Abscesso (lat. <em>abscessus<\/em>) \u00e9 um ac\u00famulo de pus localizado, delimitado por uma c\u00e1psula; ele surge como resultado de inflama\u00e7\u00e3o purulenta dos tecidos. Ele \u00e9 caracterizado pela presen\u00e7a de uma membrana piog\u00eanica que isola a les\u00e3o dos tecidos saud\u00e1veis \u200b\u200be impede a propaga\u00e7\u00e3o da infec\u00e7\u00e3o.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/glossary\/otorhinolaryngology\/abscess\/auricular-abscess.webp\" alt=\"Abscesso auricular&#10;\"\/><figcaption class=\"wp-element-caption\">Abscesso auricular: <a href=\"https:\/\/catalog.voka.io\/en\/models\/8861ee9e-a330-4451-856d-1de6ead27805\/238aaaf3-c046-49d2-a32b-590d7b0c31fe\/99f1aa5a-5d59-4c85-93db-5531348f1696\/016c0504-068d-4014-bbe1-0e4f7f30f3f1\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">modelo 3D<\/a><\/figcaption><\/figure>\n\n<p class=\"wp-block-paragraph\">O abscesso \u00e9 uma forma de inflama\u00e7\u00e3o purulenta localizada, em que o corpo cria uma barreira ao redor do local afetado. Essa c\u00e1psula protetora (membrana piog\u00eanica) \u00e9 constitu\u00edda por tecido fibroso e de granula\u00e7\u00e3o; al\u00e9m de limitar o processo, ela tamb\u00e9m produz exsudato purulento.<\/p>\n\n<h2 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;\" class=\"wp-block-heading\"><strong>Etiologia e fisiopatologia<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">A principal causa do abscesso \u00e9 a penetra\u00e7\u00e3o de bact\u00e9rias patog\u00eanicas nos tecidos; na maioria dos casos, trata-se da <em>Staphylococcus aureus<\/em>. Em resposta \u00e0 invas\u00e3o, desenvolve-se uma rea\u00e7\u00e3o inflamat\u00f3ria com um influxo maci\u00e7o de neutr\u00f3filos. As enzimas secretadas por eles e tamb\u00e9m pelas bact\u00e9rias causam a lise (derretimento) do tecido, formando uma cavidade cheia de pus.<\/p>\n\n<h2 id=\"h-&#x43A;&#x43B;&#x438;&#x43D;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x43E;&#x435;-&#x437;&#x43D;&#x430;&#x447;&#x435;&#x43D;&#x438;&#x435;\" class=\"wp-block-heading\"><strong>Import\u00e2ncia cl\u00ednica<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Clinicamente, o abscesso se manifesta com sinais locais de inflama\u00e7\u00e3o (dor, incha\u00e7o, hiperemia, aumento local da temperatura) e, quando o abscesso est\u00e1 totalmente encapsulado, com um sintoma de flutua\u00e7\u00e3o (sensa\u00e7\u00e3o de movimento ondulat\u00f3rio na palpa\u00e7\u00e3o), sendo o principal crit\u00e9rio diagn\u00f3stico. O ultrassom ou a tomografia computadorizada s\u00e3o usados para identificar a presen\u00e7a de abscessos profundos.<\/p>\n\n<p class=\"wp-block-paragraph\">O princ\u00edpio b\u00e1sico do tratamento \u00e9 a realiza\u00e7\u00e3o de cirurgia: incis\u00e3o, drenagem e higieniza\u00e7\u00e3o da cavidade purulenta (\u201cUbi pus, ibi evacua\u201d). A antibioticoterapia deve ser indicada como terapia coadjuvante ao tratamento cl\u00ednico. O tratamento oportuno garante um progn\u00f3stico favor\u00e1vel; caso contr\u00e1rio, o risco da ruptura do abscesso, bem como da ocorr\u00eancia do fleim\u00e3o ou da sepse, \u00e9 bem alto.<\/p>\n\n<h2 id=\"h-&#x434;&#x438;&#x444;&#x444;&#x435;&#x440;&#x435;&#x43D;&#x446;&#x438;&#x430;&#x43B;&#x44C;&#x43D;&#x43E;-&#x434;&#x438;&#x430;&#x433;&#x43D;&#x43E;&#x441;&#x442;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x438;&#x435;-&#x430;&#x441;&#x43F;&#x435;&#x43A;&#x442;&#x44B;\" class=\"wp-block-heading\"><strong>Aspectos de diagn\u00f3stico diferencial<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">O abscesso deve ser diferenciado do fleim\u00e3o, uma inflama\u00e7\u00e3o purulenta difusa que n\u00e3o possui limites claros nem uma bolsa. Tamb\u00e9m deve ser diferenciado do empiema, que se trata de acumula\u00e7\u00e3o de pus dentro de uma cavidade natural (por exemplo, no espa\u00e7o pleural).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abscesso \u00e9 um ac\u00famulo de pus localizado, delimitado por uma c\u00e1psula; ele surge como resultado de inflama\u00e7\u00e3o purulenta dos tecidos. Ele \u00e9 caracterizado pela presen\u00e7a de uma membrana piog\u00eanica que isola a les\u00e3o dos tecidos saud\u00e1veis \u200b\u200be impede a propaga\u00e7\u00e3o da infec\u00e7\u00e3o.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-1205","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 v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Abscesso: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | Voka Wiki<\/title>\n<meta name=\"description\" content=\"Abscesso \u00e9 um ac\u00famulo de pus localizado, delimitado por uma c\u00e1psula; ele surge como resultado de inflama\u00e7\u00e3o purulenta dos tecidos. 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