{"id":17934,"date":"2020-06-24T04:41:26","date_gmt":"2020-06-24T04:41:26","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-fator-de-ponderacao-de-tecidos-definicao\/"},"modified":"2020-07-23T06:19:05","modified_gmt":"2020-07-23T06:19:05","slug":"o-que-e-fator-de-ponderacao-de-tecidos-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-fator-de-ponderacao-de-tecidos-definicao\/","title":{"rendered":"O que \u00e9 fator de pondera\u00e7\u00e3o de tecidos &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-u-clearfix su-u-trim\">O fator de pondera\u00e7\u00e3o do tecido, wT, \u00e9 o fator pelo qual a dose equivalente em um tecido ou \u00f3rg\u00e3o T \u00e9 ponderada para representar a contribui\u00e7\u00e3o relativa desse tecido ou \u00f3rg\u00e3o para o preju\u00edzo total \u00e0 sa\u00fade resultante da irradia\u00e7\u00e3o uniforme do corpo (ICRP 1991b).\u00a0Dosimetria de Radia\u00e7\u00e3o<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<h2>Fatores de pondera\u00e7\u00e3o de tecidos<\/h2>\n<p>O\u00a0<strong>factor de pondera\u00e7\u00e3o tecido,<\/strong>\u00a0w\u00a0<sub>T<\/sub>\u00a0, \u00e9 o factor pelo qual a dose equivalente de um tecido ou \u00f3rg\u00e3o T \u00e9 ponderado para representar a contribui\u00e7\u00e3o relativa de que o tecido ou \u00f3rg\u00e3o para o detrimento de sa\u00fade total resultante da irradia\u00e7\u00e3o uniforme do corpo (1991b ICRP) .\u00a0Representa uma medida do risco de efeitos estoc\u00e1sticos que podem resultar da exposi\u00e7\u00e3o desse tecido espec\u00edfico.\u00a0Os fatores de pondera\u00e7\u00e3o do tecido levam em considera\u00e7\u00e3o a sensibilidade vari\u00e1vel dos diferentes \u00f3rg\u00e3os e tecidos \u00e0 radia\u00e7\u00e3o.<\/p>\n<p><a href=\"http:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/effective-dose-tissue-weighting-factor.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-25477 lazy-loaded\" src=\"http:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/effective-dose-tissue-weighting-factor.png\" alt=\"dose efetiva - fator de pondera\u00e7\u00e3o tecidual\" width=\"477\" height=\"173\" data-lazy-type=\"image\" data-src=\"http:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/effective-dose-tissue-weighting-factor.png\" \/><\/a><\/p>\n<p>Os fatores de pondera\u00e7\u00e3o do tecido est\u00e3o listados em v\u00e1rias publica\u00e7\u00f5es da ICRP (Comiss\u00e3o Internacional de Prote\u00e7\u00e3o Radiol\u00f3gica).\u00a0De acordo com a determina\u00e7\u00e3o real do ICRP, os fatores de risco est\u00e3o na tabela a seguir (da publica\u00e7\u00e3o 103 do ICRP (ICRP 2007)).<\/p>\n<p><a href=\"http:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/tissue-weighting-factor-ICRP.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-25461 lazy-loaded\" src=\"http:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/tissue-weighting-factor-ICRP.png\" alt=\"fator de pondera\u00e7\u00e3o tecidual - ICRP\" width=\"610\" height=\"225\" data-lazy-type=\"image\" data-src=\"http:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/tissue-weighting-factor-ICRP.png\" \/><\/a><\/p>\n<p>Refer\u00eancia especial: ICRP, 2007. Recomenda\u00e7\u00f5es de 2007 da Comiss\u00e3o Internacional de Prote\u00e7\u00e3o Radiol\u00f3gica.\u00a0Publica\u00e7\u00e3o 103 da ICRP. Ann.\u00a0ICRP 37 (2-4).<\/p>\n<p>Para esta finalidade, o corpo foi dividido em 15 \u00f3rg\u00e3os diferentes &#8211; cada um com um fator de pondera\u00e7\u00e3o w\u00a0<sub>T<\/sub>\u00a0.\u00a0Se apenas parte do corpo \u00e9 irradiada, apenas essas regi\u00f5es s\u00e3o usadas para calcular a dose efetiva.\u00a0Os factores de pondera\u00e7\u00e3o tecido\u00a0<strong>somar a 1,0<\/strong>\u00a0, de modo que, se um corpo inteiro \u00e9 irradiada com radia\u00e7\u00e3o externa uniformemente penetrante, a\u00a0<strong>dose eficaz<\/strong>\u00a0para o todo do corpo \u00e9\u00a0<strong>igual<\/strong>\u00a0\u00e0\u00a0<strong>dose equivalente<\/strong>\u00a0para o corpo inteiro.<\/p>\n<p><a href=\"http:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/sum-tissue-weighting-factors.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-25462 lazy-loaded\" src=\"http:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/sum-tissue-weighting-factors.png\" alt=\"soma - fatores de pondera\u00e7\u00e3o tecidual\" width=\"133\" height=\"73\" data-lazy-type=\"image\" data-src=\"http:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/sum-tissue-weighting-factors.png\" \/><\/a><\/p>\n<p>Se uma pessoa \u00e9 irradiada apenas parcialmente, a dose depender\u00e1 fortemente do tecido que foi irradiado.\u00a0Por exemplo, uma dose gama de 10 mSv para todo o corpo e uma dose de 50 mSv para a tire\u00f3ide \u00e9 a mesma, em termos de risco, que uma dose para todo o corpo de 10 + 0,04 x 50 = 12 mSv.<\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-arrow\" data-anchor=\"References\">\n<div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><\/div>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Este artigo \u00e9 baseado na tradu\u00e7\u00e3o autom\u00e1tica do artigo original em ingl\u00eas. Para mais informa\u00e7\u00f5es, consulte o artigo em ingl\u00eas. Voc\u00ea pode nos ajudar. Se voc\u00ea deseja corrigir a tradu\u00e7\u00e3o, envie-a para: translations@nuclear-power.com ou preencha o formul\u00e1rio de tradu\u00e7\u00e3o on-line. Agradecemos sua ajuda, atualizaremos a tradu\u00e7\u00e3o o mais r\u00e1pido poss\u00edvel. Obrigado.<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>O fator de pondera\u00e7\u00e3o do tecido, wT, \u00e9 o fator pelo qual a dose equivalente em um tecido ou \u00f3rg\u00e3o T \u00e9 ponderada para representar a contribui\u00e7\u00e3o relativa desse tecido ou \u00f3rg\u00e3o para o preju\u00edzo total \u00e0 sa\u00fade resultante da irradia\u00e7\u00e3o uniforme do corpo (ICRP 1991b).\u00a0Dosimetria de Radia\u00e7\u00e3o Fatores de pondera\u00e7\u00e3o de tecidos O\u00a0factor de &#8230; <a title=\"O que \u00e9 fator de pondera\u00e7\u00e3o de tecidos &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-fator-de-ponderacao-de-tecidos-definicao\/\" aria-label=\"More on O que \u00e9 fator de pondera\u00e7\u00e3o de tecidos &#8211; Defini\u00e7\u00e3o\">Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[51],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O que \u00e9 fator de pondera\u00e7\u00e3o de tecidos - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"O fator de pondera\u00e7\u00e3o do tecido, wT, \u00e9 o fator pelo qual a dose equivalente em um tecido ou \u00f3rg\u00e3o T \u00e9 ponderada para representar a contribui\u00e7\u00e3o relativa desse tecido ou \u00f3rg\u00e3o para o preju\u00edzo total \u00e0 sa\u00fade resultante da irradia\u00e7\u00e3o uniforme do corpo (ICRP 1991b). 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