{"id":8385,"date":"2022-04-15T08:13:27","date_gmt":"2022-04-15T08:13:27","guid":{"rendered":"https:\/\/4pal.net\/?p=8385"},"modified":"2022-04-15T08:13:27","modified_gmt":"2022-04-15T08:13:27","slug":"gia-tri-cua-mri-trong-chan-doan-hinh-anh-y-hoc","status":"publish","type":"post","link":"https:\/\/4pal.net\/gia-tri-cua-mri-trong-chan-doan-hinh-anh-y-hoc\/","title":{"rendered":"GI\u00c1 TR\u1eca C\u1ee6A MRI TRONG CH\u1ea8N \u0110O\u00c1N H\u00ccNH \u1ea2NH Y H\u1eccC"},"content":{"rendered":"<p style=\"text-align: justify;\">C\u1ed9ng h\u01b0\u1edfng t\u1eeb (MRI) c\u00f9ng v\u1edbi si\u00eau \u00e2m, x-quang, c\u1eaft l\u1edbp vi t\u00ednh (CT), SPECT v\u00e0 PET\/CT l\u00e0 nh\u1eefng k\u1ef9 thu\u1eadt ch\u1ea9n \u0111o\u00e1n h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong Y h\u1ecdc hi\u1ec7n \u0111\u1ea1i. So v\u1edbi c\u00e1c k\u1ef9 thu\u1eadt ch\u1ee5p kh\u00e1c, MRI th\u1ec3 hi\u1ec7n \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 c\u00e1c m\u00f4 m\u1ec1m, s\u1ee5n kh\u1edbp, g\u00e2n c\u01a1 v\u00e0 d\u00e2y ch\u1eb1ng. MRI cung c\u1ea5p nhi\u1ec1u h\u00ecnh \u1ea3nh kh\u00e1c nhau (T1, T2, PD, fatsat, IR\u2026) tr\u00ean t\u1ea5t c\u1ea3 h\u01b0\u1edbng axial, coronal, sagittal, oblique gi\u00fap cho vi\u1ec7c ch\u1ea9n \u0111o\u00e1n \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1i \u0111a.<br \/>\nV\u1eady MRI ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o v\u00e0 l\u00e0m sao \u0111\u1ec3 ch\u00fang ta c\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng h\u00ecnh \u1ea3nh \u0111\u00f3? M\u1ed9t th\u1ef1c t\u1ebf quan tr\u1ecdng trong t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec1u n\u00e0y n\u1eb1m \u1edf proton Hydro, ch\u00fang ta c\u00f3 m\u1ed9t proton v\u1edbi hai tr\u1ea1ng th\u00e1i n\u0103ng l\u01b0\u1ee3ng n\u1eb1m ng\u01b0\u1ee3c h\u01b0\u1edbng nhau, m\u1ed9t ch\u1ec9 h\u01b0\u1edbng B\u1eafc v\u00e0 m\u1ed9t ch\u1ec9 h\u01b0\u1edbng Nam. (N\u1ebfu c\u00f3 m\u1ed9t s\u1ed1 ch\u1eb5n proton trong h\u1ea1t nh\u00e2n th\u00ec m\u1ecdi proton s\u1ebd \u0111\u01b0\u1ee3c gh\u00e9p c\u1eb7p: v\u1edbi m\u1ed7i proton quay trong t\u1eeb tr\u01b0\u1eddng h\u01b0\u1edbng ng\u01b0\u1ee3c l\u00ean, ch\u00fang ta c\u00f3 m\u1ed9t proton gh\u00e9p c\u1eb7p quay trong t\u1eeb tr\u01b0\u1eddng h\u01b0\u1edbng ng\u01b0\u1ee3c xu\u1ed1ng. T\u1eeb tr\u01b0\u1eddng c\u1ee7a c\u00e1c c\u1eb7p gh\u00e9p \u0111\u00f4i n\u00e0y s\u1ebd tri\u1ec7t ti\u00eau nhau v\u00e0 t\u1eeb tr\u01b0\u1eddng r\u00f2ng s\u1ebd l\u00e0 0). Khi c\u00f3 s\u1ed1 l\u1ebb proton th\u00ec s\u1ebd lu\u00f4n t\u1ed3n t\u1ea1i m\u1ed9t proton kh\u00f4ng \u0111\u01b0\u1ee3c gh\u00e9p c\u1eb7p. Proton \u0111\u00f3 ch\u1ec9 h\u01b0\u1edbng B\u1eafc ho\u1eb7c Nam v\u00e0 t\u1ea1o ra \u0111i\u1ec7n t\u1eeb tr\u01b0\u1eddng hay momen l\u01b0\u1ee1ng c\u1ef1c t\u1eeb t\u1edbi h\u1ea1t nh\u00e2n. Th\u1ef1c t\u1ebf, MDM \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y \u1edf b\u1ea5t k\u00ec h\u1ea1t nh\u00e2n n\u00e0o c\u00f3 s\u1ed1 l\u1ebb proton, neutron, hay c\u1ea3 hai. T\u01b0\u01a1ng t\u00e1c l\u01b0\u1ee1ng c\u1ef1c \u2013 l\u01b0\u1ee1ng c\u1ef1c n\u00f3i \u0111\u1ebfn s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa hai proton hay gi\u1eefa proton v\u1edbi electron.<\/p>\n<div id=\"attachment_8386\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-8386\" loading=\"lazy\" class=\"wp-image-8386\" src=\"https:\/\/4pal.net\/wp\/wp-content\/uploads\/2022\/04\/1-5.png\" alt=\"\" width=\"400\" height=\"439\" \/><p id=\"caption-attachment-8386\" class=\"wp-caption-text\">Trong MRI, s\u00f3ng RF hay xung RF \u0111\u01b0\u1ee3c truy\u1ec1n v\u00e0o b\u00ean trong b\u1ec7nh nh\u00e2n v\u00e0 t\u00edn hi\u1ec7u thu \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c spin b\u1ecb t\u1eeb h\u00f3a (proton) trong c\u01a1 th\u1ec3<\/p><\/div>\n<p style=\"text-align: justify;\">H\u1ea1t nh\u00e2n c\u1ee7a m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1, nh\u01b0 Hydro (1H) v\u00e0 Flo (19F), c\u00f3 nh\u1eefng t\u00ednh ch\u1ea5t n\u00e0y. M\u1ed7i trong s\u1ed1 nh\u1eefng h\u1ea1t nh\u00e2n c\u00f3 s\u1ed1 l\u1ebb proton hay neutron c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho h\u00ecnh \u1ea3nh MR. Tuy nhi\u00ean, c\u00f3 l\u00fd do gi\u1ea3i th\u00edch t\u1ea1i sao ch\u00fang ta d\u1eebng l\u1ea1i v\u1edbi Hydro. Ch\u00fang ta s\u1eed d\u1ee5ng Hydro cho h\u00ecnh \u1ea3nh v\u00ec ch\u00fang r\u1ea5t phong ph\u00fa. Kho\u1ea3ng 60% c\u01a1 th\u1ec3 l\u00e0 n\u01b0\u1edbc. V\u00ed d\u1ee5, ch\u00fang ta t\u00ecm ki\u1ebfm proton (1H), trong H2O v\u00e0 ch\u1ea5t b\u00e9o (-CH2-).<\/p>\n<div id=\"attachment_8387\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-8387\" loading=\"lazy\" class=\"wp-image-8387\" src=\"https:\/\/4pal.net\/wp\/wp-content\/uploads\/2022\/04\/2-2.png\" alt=\"\" width=\"400\" height=\"327\" srcset=\"https:\/\/4pal.net\/wp\/wp-content\/uploads\/2022\/04\/2-2.png 302w, https:\/\/4pal.net\/wp\/wp-content\/uploads\/2022\/04\/2-2-300x245.png 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><p id=\"caption-attachment-8387\" class=\"wp-caption-text\">B\u1ea3ng h\u1ec7 s\u1ed1 h\u1ed3i chuy\u1ec3n t\u1eeb c\u1ee7a proton Hydro v\u00e0 c\u00e1c nguy\u00ean t\u1eed kh\u00e1c<\/p><\/div>\n<p style=\"text-align: justify;\">\u0110\u1ebfn v\u1edbi THUV, c\u00e1c b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c t\u00ecm hi\u1ec3u s\u00e2u s\u1eafc v\u1ec1 nguy\u00ean l\u00fd c\u0103n b\u1ea3n trong vi\u1ec7c thu th\u1eadp t\u00edn hi\u1ec7u, t\u00e1i t\u1ea1o t\u00edn hi\u1ec7u, x\u00e2y d\u1ef1ng h\u00ecnh \u1ea3nh v\u00e0 t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh MRI. Song song v\u1edbi vi\u1ec7c h\u1ecdc t\u1eadp t\u1ea1i tr\u01b0\u1eddng, c\u00e1c b\u1ea1n c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c quan s\u00e1t v\u00e0 v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf MRI tr\u00ean nh\u1eefng m\u00e1y ch\u1ee5p hi\u1ec7n \u0111\u1ea1i nh\u01b0 1.5 Tesla v\u00e0 3.0 Tesla trong ch\u01b0\u01a1ng tr\u00ecnh th\u1ef1c t\u1eadp t\u1ea1i B\u1ec7nh vi\u1ec7n.<br \/>\nNgo\u00e0i ra, c\u00e1c b\u1ea1n c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c t\u00ecm hi\u1ec3u v\u1ec1 nhi\u1ec1u k\u1ef9 thu\u1eadt ch\u1ee5p MRI kh\u00e1c nh\u01b0 c\u1ed9ng h\u01b0\u1edfng t\u1eeb ph\u1ed5 (MRS) trong ch\u1ee5p ch\u1ea9n \u0111o\u00e1n kh\u1ed1i u n\u00e3o, u ti\u1ec1n li\u1ec7t tuy\u1ebfn; c\u1ed9ng h\u01b0\u1edfng t\u1eeb tim, c\u1ed9ng h\u01b0\u1edfng t\u1eeb t\u01b0\u1edbi m\u00e1u n\u00e3o (MR Perfusion), c\u0169ng nh\u01b0 \u1ee9ng d\u1ee5ng c\u1ee7a PET\/MRI trong ch\u1ea9n \u0111o\u00e1n Y h\u1ecdc h\u1ea1t nh\u00e2n.<\/p>\n<p style=\"text-align: right;\"><strong>T\u00e1c gi\u1ea3: TS.Tr\u1ea7n V\u0103n Bi\u00ean- Gi\u1ea3ng vi\u00ean Ng\u00e0nh K\u1ef9 thu\u1eadt H\u00ecnh \u1ea3nh Y h\u1ecdc<\/strong><\/p>\n<p>\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38\ud83c\udf38<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"EAwnKuTDPM\"><p><a href=\"https:\/\/4pal.net\/tuyen-sinh\/thuv2022\/\">TH\u00d4NG TIN TUY\u1ec2N SINH 2022 (D\u1ef0 KI\u1ebeN)<\/a><\/p><\/blockquote>\n<p><\/iframe><\/p>\n<section class=\"veu_cta\"><h1 class=\"cta_title\">TUY\u1ec2N SINH 2024<\/h1><div class=\"cta_body\"><div class=\"cta_body_image cta_body_image_right\"><a href=\"https:\/\/4pal.net\/tuyen-sinh\/thong-tin-tuyen-sinh-2023\/\" target=\"_blank\"><img src=\"https:\/\/4pal.net\/wp\/wp-content\/uploads\/2022\/07\/Banner-750x422.jpg\" \/><\/a><\/div><div class=\"cta_body_txt image_exist\">B\u1ea1n \u0111ang ch\u01b0a bi\u1ebft l\u1ef1a ch\u1ecdn ng\u00e0nh n\u00e0o ?\r<br\/>H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 - t\u01b0 v\u1ea5n.\r<br\/>Hotline: 0869 809 088\r<br\/>Email: tuyensinh@4pal.net\r<br\/>\r<br\/>H\u1eb9n g\u1eb7p l\u1ea1i c\u00e1c b\u1ea1n t\u1ea1i THUV.\r<br\/><\/div><div class=\"cta_body_link\"><a href=\"https:\/\/4pal.net\/tuyen-sinh\/thong-tin-tuyen-sinh-2023\/\" class=\"btn btn-primary btn-block btn-lg\" target=\"_blank\">TH\u00d4NG TIN CHI TI\u1ebeT T\u1ea0I \u0110\u00c2Y<\/a><\/div><\/div><\/section><div class=\"veu_socialSet veu_contentAddSection\"><script>window.twttr=(function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],t=window.twttr||{};if(d.getElementById(id))return t;js=d.createElement(s);js.id=id;js.src=\"https:\/\/platform.twitter.com\/widgets.js\";fjs.parentNode.insertBefore(js,fjs);t._e=[];t.ready=function(f){t._e.push(f);};return t;}(document,\"script\",\"twitter-wjs\"));<\/script><ul><li class=\"sb_facebook sb_icon\"><a href=\"\/\/www.facebook.com\/sharer.php?src=bm&u=https:\/\/4pal.net\/gia-tri-cua-mri-trong-chan-doan-hinh-anh-y-hoc\/&amp;t=\" target=\"_blank\" onclick=\"window.open(this.href,'FBwindow','width=650,height=450,menubar=no,toolbar=no,scrollbars=yes');return false;\"><span class=\"vk_icon_w_r_sns_fb icon_sns\"><\/span><span class=\"sns_txt\">Facebook<\/span><span class=\"veu_count_sns_fb\"><\/span><\/a><\/li><\/ul><\/div>","protected":false},"excerpt":{"rendered":"<p>C\u1ed9ng h\u01b0\u1edfng t\u1eeb (MRI) c\u00f9ng v\u1edbi si\u00eau \u00e2m, x-quang, c\u1eaft l\u1edbp vi t\u00ednh (CT), SPECT v\u00e0 PET\/CT l\u00e0 nh\u1eefng k\u1ef9 thu\u1eadt ch\u1ea9n \u0111o\u00e1n h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong Y h\u1ecdc hi\u1ec7n \u0111\u1ea1i. So v\u1edbi c\u00e1c k\u1ef9 thu\u1eadt ch\u1ee5p kh\u00e1c, MRI th\u1ec3 hi\u1ec7n \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 c\u00e1c m\u00f4 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":8386,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[144,106,123,160,163],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/4pal.net\/wp-json\/wp\/v2\/posts\/8385"}],"collection":[{"href":"https:\/\/4pal.net\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/4pal.net\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/4pal.net\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/4pal.net\/wp-json\/wp\/v2\/comments?post=8385"}],"version-history":[{"count":1,"href":"https:\/\/4pal.net\/wp-json\/wp\/v2\/posts\/8385\/revisions"}],"predecessor-version":[{"id":8388,"href":"https:\/\/4pal.net\/wp-json\/wp\/v2\/posts\/8385\/revisions\/8388"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/4pal.net\/wp-json\/wp\/v2\/media\/8386"}],"wp:attachment":[{"href":"https:\/\/4pal.net\/wp-json\/wp\/v2\/media?parent=8385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/4pal.net\/wp-json\/wp\/v2\/categories?post=8385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/4pal.net\/wp-json\/wp\/v2\/tags?post=8385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}