{"id":322,"date":"2009-05-26T11:26:26","date_gmt":"2009-05-26T10:26:26","guid":{"rendered":"http:\/\/www.rontgen.com\/wp-doctor\/?p=322"},"modified":"2009-08-19T22:57:51","modified_gmt":"2009-08-19T21:57:51","slug":"ct","status":"publish","type":"post","link":"https:\/\/www.rontgen.com\/wp-doctor\/ct","title":{"rendered":"PET-CT"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-81\" title=\"Fr\u00e5ga\" src=\"https:\/\/www.rontgen.com\/wp-doctor\/wp-content\/uploads\/2008\/12\/icon_mini_faq.gif\" alt=\"icon_mini_faq\" width=\"12\" height=\"13\" \/>\u00a0Vad \u00e4r en f\u00e4rgskiktr\u00f6ntgen? Hur utf\u00f6rs den? Sm\u00e4rtsam?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-85\" title=\"Svar\" src=\"https:\/\/www.rontgen.com\/wp-doctor\/wp-content\/uploads\/2008\/12\/icon_mini_register.gif\" alt=\"icon_mini_register\" width=\"12\" height=\"13\" \/>\u00a0Du syftar s\u00e4kert p\u00e5 en sk. &#8221;PET-CT&#8221; (positronemissionstomografi).<\/p>\n<p>PET-CT \u00e4r en kombination av den vanliga datortomografen (CT;<em>skiktr\u00f6ntgen<\/em>)\u00a0och PET-tomografen som \u00e4r en form av gamma-kamera som l\u00e4ser av str\u00e5lning fr\u00e5n kroppen. Det fina med denna maskin \u00e4r att 2 tidigare maskiner har slagits ihop till en. Detta medf\u00f6r dels att patienten slipper flytta sig mellan olika maskiner. Dels kan man nu mer exakt avg\u00f6ra ev. tum\u00f6r\/ers lokalisation och aggresion genom hur snabbt den upptar, via blodet insprutad, radiaktivt \u00e4mne (FDG)\u00a0med\u00a0sockermolekyler.<br \/>\nDvs. bilden ser ut som\u00a0en vanlig skiktr\u00f6ntgen med det till\u00e4gget att ev. aktiva f\u00f6r\u00e4ndringar &#8221;lyser upp&#8221; i bilden. Vid &#8221;normal&#8221; CT kan sm\u00e5 f\u00f6r\u00e4ndringar vara sv\u00e5ra att urskilja i bilden.<\/p>\n<p>Metoden f\u00f6r patienten \u00e4r i stort det samma som vid vanlig skiktr\u00f6ntgen (CT). Patienten f\u00e5r en injektion av det radioaktiva sp\u00e5r\u00e4mnet. Efter en stund f\u00e5r patienten ligga ner p\u00e5 en brits som vid unders\u00f6kningen f\u00f6res fram och tillbaka genom &#8221;kamerah\u00e5let&#8221;. Unders\u00f6kningen \u00e4r enkel f\u00f6r patienten d\u00e4r ett n\u00e5lstick \u00e4r det enda som k\u00e4nns lite.<\/p>\n<p>Nackdelen \u00e4r att det idag endast finns 6 stycken PET-CT scanners i Sverige. (De kostar ca. 20milj. styck!)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-83\" title=\"Svarat av\" src=\"https:\/\/www.rontgen.com\/wp-doctor\/wp-content\/uploads\/2008\/12\/icon_mini_profile.gif\" alt=\"icon_mini_profile\" width=\"12\" height=\"13\" \/>\u00a0K. T, rtgssk<br \/>\nR\u00f6ntgen Helsingborgs Lasarett<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0Vad \u00e4r en f\u00e4rgskiktr\u00f6ntgen? Hur utf\u00f6rs den? Sm\u00e4rtsam? \u00a0Du syftar s\u00e4kert p\u00e5 en [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[28],"class_list":["post-322","post","type-post","status-publish","format-standard","hentry","category-ct","tag-pet-ct"],"_links":{"self":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/posts\/322","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/comments?post=322"}],"version-history":[{"count":0,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/posts\/322\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/media?parent=322"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/categories?post=322"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rontgen.com\/wp-doctor\/wp-json\/wp\/v2\/tags?post=322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}