{"id":2928,"date":"2026-01-29T17:22:20","date_gmt":"2026-01-29T14:22:20","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/glossary\/diascopia\/"},"modified":"2026-01-29T17:22:23","modified_gmt":"2026-01-29T14:22:23","slug":"diascopia","status":"publish","type":"glossary_item","link":"https:\/\/wiki.dev.voka.io\/pt\/glossario\/diascopia\/","title":{"rendered":"Diascopia"},"content":{"rendered":"\n<p>A diascopia (do grego <em>dia<\/em> &#8211; atrav\u00e9s e <em>skopeo<\/em> &#8211; olhar) \u00e9 um m\u00e9todo de diagn\u00f3stico simples mas importante em dermatologia, que consiste em pressionar o elemento da erup\u00e7\u00e3o cut\u00e2nea com um objeto transparente (l\u00e2mina, esp\u00e1tula de vidro ou r\u00e9gua transparente). <\/p>\n\n<p>O procedimento permite a dessangramento da pele no local da press\u00e3o, deslocando o sangue dos vasos do leito microcirculat\u00f3rio.<\/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>Significado cl\u00ednico<\/strong><\/h2>\n\n<p>O m\u00e9todo \u00e9 utilizado para o diagn\u00f3stico diferencial de manchas:  <\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Manchas vasculares (inflamat\u00f3rias):<\/strong> Quando se exerce press\u00e3o, tornam-se p\u00e1lidas ou desaparecem porque o sangue escapa dos vasos dilatados. Quando a press\u00e3o \u00e9 interrompida, a cor \u00e9 restaurada. <\/li>\n\n\n\n<li><strong>Manchas hemorr\u00e1gicas (pet\u00e9quias, p\u00farpura):<\/strong> N\u00e3o mudam de cor quando pressionadas, uma vez que os gl\u00f3bulos vermelhos est\u00e3o fora do leito vascular (tecido saturado) e n\u00e3o podem ser &#8220;espremidos&#8221;.  <\/li>\n<\/ul>\n\n<p>A diascopia tamb\u00e9m \u00e9 utilizada no diagn\u00f3stico do l\u00fapus eritematoso tuberculoso (sintoma de geleia de ma\u00e7\u00e3 &#8211; os n\u00f3dulos tornam-se castanho-amarelados quando pressionados).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A diascopia (do grego <em>dia <\/em>&#8211; atrav\u00e9s e <em>skopeo<\/em> &#8211; olhar) \u00e9 um m\u00e9todo de diagn\u00f3stico simples mas importante em dermatologia, que consiste em pressionar o elemento da erup\u00e7\u00e3o cut\u00e2nea com um objeto transparente (l\u00e2mina, esp\u00e1tula de vidro ou r\u00e9gua transparente). <\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-2928","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) - 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