{"id":5998,"date":"2026-03-01T10:14:42","date_gmt":"2026-03-01T10:14:42","guid":{"rendered":"https:\/\/www.impc.fr\/?p=5998"},"modified":"2026-09-04T13:34:02","modified_gmt":"2026-09-04T13:34:02","slug":"irm-ou-scanner-quelle-difference-et-quel-examen-choisir","status":"publish","type":"post","link":"https:\/\/www.impc.fr\/en\/irm-ou-scanner-quelle-difference-et-quel-examen-choisir\/","title":{"rendered":"IRM ou scanner : quelle diff\u00e9rence et quel examen choisir ?"},"content":{"rendered":"\n[et_pb_section fb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbHero\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb use_background_color_gradient=\u00a0\u00bbon\u00a0\u00bb background_color_gradient_stops=\u00a0\u00bbrgba(0,0,0,0.5) 0%|rgba(0,0,0,0) 100%\u00a0\u00bb background_color_gradient_overlays_image=\u00a0\u00bbon\u00a0\u00bb background_color_gradient_start=\u00a0\u00bbrgba(0,0,0,0.5)\u00a0\u00bb background_color_gradient_end=\u00a0\u00bbrgba(0,0,0,0)\u00a0\u00bb background_image=\u00a0\u00bbhttps:\/\/www.impc.fr\/wp-content\/uploads\/2020\/06\/irm-centre-radiologie.jpg\u00a0\u00bb custom_margin=\u00a0\u00bb|||\u00a0\u00bb custom_padding=\u00a0\u00bb0||0px||false|false\u00a0\u00bb bottom_divider_color=\u00a0\u00bb#ffffff\u00a0\u00bb bottom_divider_flip=\u00a0\u00bbhorizontal\u00a0\u00bb animation_style=\u00a0\u00bbslide\u00a0\u00bb animation_direction=\u00a0\u00bbtop\u00a0\u00bb animation_intensity_slide=\u00a0\u00bb5%\u00a0\u00bb animation_starting_opacity=\u00a0\u00bb100%\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row column_structure=\u00a0\u00bb3_5,2_5&Prime; 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_builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text admin_label=\u00a0\u00bbTitle\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.8&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bb||||||||\u00a0\u00bb header_font=\u00a0\u00bbMontserrat|600|||||||\u00a0\u00bb header_text_color=\u00a0\u00bb#004D77&Prime; header_font_size=\u00a0\u00bb36px\u00a0\u00bb header_letter_spacing=\u00a0\u00bb-1px\u00a0\u00bb header_2_font=\u00a0\u00bbMontserrat||||||||\u00a0\u00bb header_2_text_color=\u00a0\u00bb#000000&Prime; header_2_font_size=\u00a0\u00bb18px\u00a0\u00bb header_3_font=\u00a0\u00bb||||||||\u00a0\u00bb header_3_text_color=\u00a0\u00bb#ffcc00&Prime; header_3_font_size=\u00a0\u00bb28px\u00a0\u00bb background_layout=\u00a0\u00bbdark\u00a0\u00bb custom_margin=\u00a0\u00bb9px|||||\u00a0\u00bb custom_padding=\u00a0\u00bb|38px||29px|false|false\u00a0\u00bb animation_style=\u00a0\u00bbzoom\u00a0\u00bb animation_direction=\u00a0\u00bbleft\u00a0\u00bb animation_intensity_zoom=\u00a0\u00bb10%\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; header_font_size_tablet=\u00a0\u00bb\u00a0\u00bb header_font_size_phone=\u00a0\u00bb29px\u00a0\u00bb header_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb header_line_height_tablet=\u00a0\u00bb\u00a0\u00bb header_line_height_phone=\u00a0\u00bb1.3em\u00a0\u00bb header_line_height_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<h1>IRM ou scanner : quelle diff\u00e9rence et quel examen choisir ?<\/h1>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb41px||||false|false\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb41px||||false|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb41px||||false|false\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb custom_padding=\u00a0\u00bb0px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row column_structure=\u00a0\u00bb3_5,2_5&Prime; 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header_2_font_size=\u00a0\u00bb23px\u00a0\u00bb header_3_font=\u00a0\u00bbPoppins||||||||\u00a0\u00bb header_3_text_color=\u00a0\u00bb#004d77&Prime; header_4_font=\u00a0\u00bbPoppins||||on||||\u00a0\u00bb header_4_text_color=\u00a0\u00bbrgba(96,145,150,0.8)\u00a0\u00bb header_4_font_size=\u00a0\u00bb19px\u00a0\u00bb width=\u00a0\u00bb100%\u00a0\u00bb width_tablet=\u00a0\u00bb100%\u00a0\u00bb width_phone=\u00a0\u00bb100%\u00a0\u00bb width_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb max_width=\u00a0\u00bb100%\u00a0\u00bb max_width_tablet=\u00a0\u00bb125%\u00a0\u00bb max_width_phone=\u00a0\u00bb125%\u00a0\u00bb max_width_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb custom_margin=\u00a0\u00bb|0px|||false|false\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb|0px||0px|false|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb|0px||0px|false|false\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_padding=\u00a0\u00bb0px|51px|||false|false\u00a0\u00bb custom_padding_tablet=\u00a0\u00bb|51px|||false|false\u00a0\u00bb custom_padding_phone=\u00a0\u00bb|0px|||false|false\u00a0\u00bb custom_padding_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; border_width_right=\u00a0\u00bb1px\u00a0\u00bb border_color_right=\u00a0\u00bb#a3a3a3&Prime; border_width_right_tablet=\u00a0\u00bb0px\u00a0\u00bb border_width_right_phone=\u00a0\u00bb0px\u00a0\u00bb border_width_right_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<p dir=\"ltr\">Vous avez une prescription m\u00e9dicale mentionnant une IRM ou un scanner et vous vous demandez quelle est la diff\u00e9rence entre ces deux examens ? C&rsquo;est une question que se posent de nombreux patients avant de prendre rendez-vous dans un centre d&rsquo;imagerie m\u00e9dicale. Bien que ces deux techniques permettent d&rsquo;explorer l&rsquo;int\u00e9rieur du corps sans intervention chirurgicale, elles reposent sur des principes physiques diff\u00e9rents, ne s&rsquo;adressent pas aux m\u00eames organes et ne pr\u00e9sentent pas les m\u00eames contre-indications. Dans cet article, nous vous expliquons tout ce qu&rsquo;il faut savoir pour mieux comprendre l&rsquo;examen prescrit par votre m\u00e9decin.<\/p>\n<h2 dir=\"ltr\">Qu&rsquo;est-ce que l&rsquo;IRM ?<\/h2>\n<p dir=\"ltr\">L&rsquo;Imagerie par R\u00e9sonance Magn\u00e9tique (IRM) est un examen qui utilise un champ magn\u00e9tique puissant associ\u00e9 \u00e0 des ondes radio pour produire des images d\u00e9taill\u00e9es des organes, des tissus mous, des muscles, des ligaments et du syst\u00e8me nerveux. Contrairement au scanner, elle n&rsquo;utilise aucun rayon X.<\/p>\n<h3 dir=\"ltr\">Comment se d\u00e9roule un examen IRM ?<\/h3>\n<p dir=\"ltr\">Le patient est allong\u00e9 sur une table mobile qui glisse \u00e0 l&rsquo;int\u00e9rieur d&rsquo;un tunnel. L&rsquo;examen dure g\u00e9n\u00e9ralement entre 15 et 45 minutes selon la zone explor\u00e9e. Il est indolore, mais n\u00e9cessite de rester immobile et peut \u00eatre bruyant : des bouchons d&rsquo;oreilles ou un casque sont fournis. Dans certains cas, l&rsquo;injection d&rsquo;un produit de contraste (gadolinium) permet d&rsquo;am\u00e9liorer la pr\u00e9cision des images.<\/p>\n<h3 dir=\"ltr\">Dans quels cas privil\u00e9gier l&rsquo;IRM ?<\/h3>\n<p dir=\"ltr\">L&rsquo;IRM est particuli\u00e8rement recommand\u00e9e pour :<\/p>\n<ul dir=\"ltr\">\n<li>L&rsquo;exploration du cerveau et de la moelle \u00e9pini\u00e8re<\/li>\n<li>Les pathologies articulaires et ligamentaires (genou, \u00e9paule, rachis)<\/li>\n<li>La d\u00e9tection de certaines tumeurs des tissus mous<\/li>\n<li>Le bilan gyn\u00e9cologique ou prostatique approfondi<\/li>\n<\/ul>\n<h2 dir=\"ltr\">Qu&rsquo;est-ce qu&rsquo;un scanner (TDM) ?<\/h2>\n<p dir=\"ltr\">Le scanner, ou tomodensitom\u00e9trie (TDM), utilise des rayons X associ\u00e9s \u00e0 un traitement informatique pour reconstruire des images en coupes fines du corps. Il est particuli\u00e8rement performant pour visualiser les structures osseuses et les organes internes en urgence.<\/p>\n<h3 dir=\"ltr\">Comment se d\u00e9roule un scanner ?<\/h3>\n<p dir=\"ltr\">L&rsquo;examen est rapide, souvent inf\u00e9rieur \u00e0 10 minutes. Le patient est allong\u00e9 sur une table qui traverse un anneau ouvert, moins impressionnant que le tunnel de l&rsquo;IRM. Une injection de produit de contraste iod\u00e9 peut \u00eatre n\u00e9cessaire selon la zone \u00e9tudi\u00e9e.<\/p>\n<h3 dir=\"ltr\">Dans quels cas privil\u00e9gier le scanner ?<\/h3>\n<p dir=\"ltr\">Le scanner est l&rsquo;examen de r\u00e9f\u00e9rence pour :<\/p>\n<ul dir=\"ltr\">\n<li>Les traumatismes osseux et les fractures<\/li>\n<li>Les urgences abdominales et thoraciques<\/li>\n<li>La d\u00e9tection de certains cancers et le suivi oncologique<\/li>\n<li>Le bilan des vaisseaux sanguins (angioscanner)<\/li>\n<\/ul>\n<h2 dir=\"ltr\">IRM vs scanner : tableau comparatif<\/h2>\n<div dir=\"ltr\">\n<table>\n<thead>\n<tr>\n<th scope=\"col\">Crit\u00e8re<\/th>\n<th scope=\"col\">IRM<\/th>\n<th scope=\"col\">Scanner<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Technologie<\/td>\n<td>Champ magn\u00e9tique + ondes radio<\/td>\n<td>Rayons X<\/td>\n<\/tr>\n<tr>\n<td>Irradiation<\/td>\n<td>Aucune<\/td>\n<td>Oui, faible dose<\/td>\n<\/tr>\n<tr>\n<td>Dur\u00e9e<\/td>\n<td>15 \u00e0 45 minutes<\/td>\n<td>5 \u00e0 10 minutes<\/td>\n<\/tr>\n<tr>\n<td>Meilleure indication<\/td>\n<td>Tissus mous, cerveau, articulations<\/td>\n<td>Os, urgences, thorax\/abdomen<\/td>\n<\/tr>\n<tr>\n<td>Bruit<\/td>\n<td>\u00c9lev\u00e9<\/td>\n<td>Faible<\/td>\n<\/tr>\n<tr>\n<td>Contre-indications principales<\/td>\n<td>Pacemaker, certains implants m\u00e9talliques<\/td>\n<td>Grossesse (sauf urgence), allergie \u00e0 l&rsquo;iode<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p dir=\"ltr\">[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb2_5&Prime; 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header_font=\u00a0\u00bb&#8211;et_global_heading_font|700||on|||||\u00a0\u00bb header_text_align=\u00a0\u00bbleft\u00a0\u00bb header_text_color=\u00a0\u00bb#282828&Prime; header_font_size=\u00a0\u00bb24px\u00a0\u00bb body_font=\u00a0\u00bb&#8211;et_global_body_font||||||||\u00a0\u00bb body_text_color=\u00a0\u00bb#424242&Prime; body_font_size=\u00a0\u00bb17px\u00a0\u00bb body_line_height=\u00a0\u00bb1.6em\u00a0\u00bb background_color=\u00a0\u00bbRGBA(255,255,255,0)\u00a0\u00bb image_icon_custom_margin=\u00a0\u00bb-10px||||false|false\u00a0\u00bb image_icon_custom_margin_tablet=\u00a0\u00bb-10px||||false|false\u00a0\u00bb image_icon_custom_margin_phone=\u00a0\u00bb-10px||||false|false\u00a0\u00bb image_icon_custom_margin_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb width=\u00a0\u00bb100%\u00a0\u00bb width_tablet=\u00a0\u00bb89%\u00a0\u00bb width_phone=\u00a0\u00bb100%\u00a0\u00bb width_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb custom_margin=\u00a0\u00bb0px||35px|0px|false|false\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb-16px||0px||false|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb0px||0px|0px|false|false\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb custom_padding=\u00a0\u00bb0px||0px|3px|true|false\u00a0\u00bb custom_padding_tablet=\u00a0\u00bb40px||40px|39px|true|false\u00a0\u00bb custom_padding_phone=\u00a0\u00bb17px||17px|0px|true|false\u00a0\u00bb custom_padding_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb link_option_url=\u00a0\u00bbhttps:\/\/www.impc.fr\/contactez-nous\/\u00a0\u00bb header_text_align_tablet=\u00a0\u00bbleft\u00a0\u00bb header_text_align_phone=\u00a0\u00bbleft\u00a0\u00bb header_text_align_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb header_font_size_tablet=\u00a0\u00bb24px\u00a0\u00bb header_font_size_phone=\u00a0\u00bb18px\u00a0\u00bb header_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb body_font_size_tablet=\u00a0\u00bb17px\u00a0\u00bb body_font_size_phone=\u00a0\u00bb12px\u00a0\u00bb body_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb border_width_all_image=\u00a0\u00bb0px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<p>Prenez rendez-vous pour une IRM dans nos centres<\/p>[\/et_pb_blurb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; 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background_enable_color__hover=\u00a0\u00bbon\u00a0\u00bb background__hover_enabled=\u00a0\u00bbon|hover\u00a0\u00bb]<p>Prise de rendez-vous IRM &#8211; Paris 75009 &#8211; P\u00f4le Sant\u00e9 Berg\u00e8re<\/p>[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.5&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bb|700|||||||\u00a0\u00bb text_text_color=\u00a0\u00bb#FFFFFF\u00a0\u00bb text_font_size=\u00a0\u00bb18px\u00a0\u00bb header_text_color=\u00a0\u00bb#FFFFFF\u00a0\u00bb background_color=\u00a0\u00bb#007bff\u00a0\u00bb text_orientation=\u00a0\u00bbcenter\u00a0\u00bb width_tablet=\u00a0\u00bb79%\u00a0\u00bb width_phone=\u00a0\u00bb100%\u00a0\u00bb width_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb max_width_tablet=\u00a0\u00bb\u00a0\u00bb max_width_phone=\u00a0\u00bb\u00a0\u00bb max_width_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb custom_margin=\u00a0\u00bb8px||10px||false|false\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb8px||8px||true|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb8px|0px|6px|0px|false|true\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_padding=\u00a0\u00bb10px|20px|10px|20px|true|true\u00a0\u00bb custom_padding_tablet=\u00a0\u00bb9px|20px|9px|20px|true|true\u00a0\u00bb custom_padding_phone=\u00a0\u00bb8px|20px|8px|20px|true|true\u00a0\u00bb custom_padding_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb link_option_url=\u00a0\u00bbhttps:\/\/www.doctolib.fr\/centre-d-imagerie-medicale\/paris\/irm-drouot\u00a0\u00bb text_font_size_tablet=\u00a0\u00bb18px\u00a0\u00bb text_font_size_phone=\u00a0\u00bb15px\u00a0\u00bb text_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb border_radii=\u00a0\u00bbon|12px|12px|12px|12px\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb text_text_color__hover_enabled=\u00a0\u00bbon|hover\u00a0\u00bb text_text_color__hover=\u00a0\u00bb#FFFFFF\u00a0\u00bb background_color__hover=\u00a0\u00bb#004D77&Prime; background_enable_color__hover=\u00a0\u00bbon\u00a0\u00bb background__hover_enabled=\u00a0\u00bbon|hover\u00a0\u00bb]<p>Prise de rendez-vous IRM &#8211; Paris 75009 &#8211; Clinique Drouot<\/p>[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bb|700|||||||\u00a0\u00bb text_text_color=\u00a0\u00bb#FFFFFF\u00a0\u00bb text_font_size=\u00a0\u00bb18px\u00a0\u00bb header_text_color=\u00a0\u00bb#FFFFFF\u00a0\u00bb background_color=\u00a0\u00bb#007bff\u00a0\u00bb text_orientation=\u00a0\u00bbcenter\u00a0\u00bb width_tablet=\u00a0\u00bb79%\u00a0\u00bb width_phone=\u00a0\u00bb100%\u00a0\u00bb width_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb max_width_tablet=\u00a0\u00bb\u00a0\u00bb max_width_phone=\u00a0\u00bb\u00a0\u00bb max_width_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb custom_margin=\u00a0\u00bb8px||10px||false|false\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb8px||8px||true|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb8px|0px|6px|0px|false|true\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_padding=\u00a0\u00bb10px|20px|10px|20px|true|true\u00a0\u00bb custom_padding_tablet=\u00a0\u00bb9px|20px|9px|20px|true|true\u00a0\u00bb custom_padding_phone=\u00a0\u00bb8px|20px|8px|20px|true|true\u00a0\u00bb custom_padding_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb link_option_url=\u00a0\u00bbhttps:\/\/www.doctolib.fr\/centre-d-imagerie-medicale\/paris\/centre-de-radiologie-blomet\u00a0\u00bb text_font_size_tablet=\u00a0\u00bb18px\u00a0\u00bb text_font_size_phone=\u00a0\u00bb15px\u00a0\u00bb text_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb border_radii=\u00a0\u00bbon|12px|12px|12px|12px\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb text_text_color__hover_enabled=\u00a0\u00bbon|hover\u00a0\u00bb text_text_color__hover=\u00a0\u00bb#FFFFFF\u00a0\u00bb background_color__hover=\u00a0\u00bb#004D77&Prime; background_enable_color__hover=\u00a0\u00bbon\u00a0\u00bb background__hover_enabled=\u00a0\u00bbon|hover\u00a0\u00bb]<p>Prise de rendez-vous IRM &#8211; Paris 75015<\/p>[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.8&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bb||||||||\u00a0\u00bb text_text_color=\u00a0\u00bb#000000&Prime; text_font_size=\u00a0\u00bb16px\u00a0\u00bb header_2_font=\u00a0\u00bbMontserrat||||||||\u00a0\u00bb header_2_text_color=\u00a0\u00bb#004D77&Prime; header_2_font_size=\u00a0\u00bb22px\u00a0\u00bb header_3_font=\u00a0\u00bbMontserrat||||||||\u00a0\u00bb header_3_text_color=\u00a0\u00bbrgba(0,0,0,0.72)\u00a0\u00bb header_4_font=\u00a0\u00bbPoppins||||on||||\u00a0\u00bb header_4_text_color=\u00a0\u00bbrgba(96,145,150,0.8)\u00a0\u00bb header_4_font_size=\u00a0\u00bb19px\u00a0\u00bb width=\u00a0\u00bb100%\u00a0\u00bb width_tablet=\u00a0\u00bb100%\u00a0\u00bb width_phone=\u00a0\u00bb100%\u00a0\u00bb width_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb max_width=\u00a0\u00bb100%\u00a0\u00bb max_width_tablet=\u00a0\u00bb125%\u00a0\u00bb max_width_phone=\u00a0\u00bb125%\u00a0\u00bb max_width_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb custom_margin=\u00a0\u00bb|0px|||false|false\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb|0px||0px|false|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb|0px||0px|false|false\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_padding=\u00a0\u00bb40px|51px|||false|false\u00a0\u00bb custom_padding_tablet=\u00a0\u00bb|51px|||false|false\u00a0\u00bb custom_padding_phone=\u00a0\u00bb|51px|||false|false\u00a0\u00bb custom_padding_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; border_color_right=\u00a0\u00bb#a3a3a3&Prime; border_width_right_tablet=\u00a0\u00bb0px\u00a0\u00bb border_width_right_phone=\u00a0\u00bb0px\u00a0\u00bb border_width_right_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<h2 dir=\"ltr\">Quel examen pour quelle pathologie ?<\/h2>\n<h3 dir=\"ltr\">Articulations et sport (genou, \u00e9paule, rachis)<\/h3>\n<p dir=\"ltr\">Pour une entorse, une d\u00e9chirure ligamentaire ou une hernie discale, l&rsquo;IRM est g\u00e9n\u00e9ralement privil\u00e9gi\u00e9e car elle offre une vision pr\u00e9cise des tissus mous, des cartilages et des nerfs.<\/p>\n<h3 dir=\"ltr\">Cerveau et syst\u00e8me nerveux<\/h3>\n<p dir=\"ltr\">En cas de suspicion d&rsquo;AVC, de scl\u00e9rose en plaques ou de tumeur c\u00e9r\u00e9brale, l&rsquo;IRM reste l&rsquo;examen de r\u00e9f\u00e9rence, sauf en urgence imm\u00e9diate o\u00f9 le scanner c\u00e9r\u00e9bral est souvent r\u00e9alis\u00e9 en premier car plus rapide d&rsquo;acc\u00e8s.<\/p>\n<h3 dir=\"ltr\">Thorax, abdomen et urgences<\/h3>\n<p dir=\"ltr\">Pour une douleur abdominale aigu\u00eb, une suspicion d&rsquo;appendicite ou un bilan d&rsquo;urgence, le scanner est privil\u00e9gi\u00e9 pour sa rapidit\u00e9 et sa capacit\u00e9 \u00e0 explorer plusieurs organes en une seule acquisition.<\/p>\n<h2 dir=\"ltr\">Y a-t-il des risques ou contre-indications ?<\/h2>\n<p dir=\"ltr\">L&rsquo;IRM est contre-indiqu\u00e9e en cas de port de certains implants m\u00e9talliques ou \u00e9lectroniques (pacemaker, certains clips chirurgicaux). Le scanner expose \u00e0 une faible dose de rayons X et doit \u00eatre \u00e9vit\u00e9 pendant la grossesse sauf urgence vitale. Dans tous les cas, l&rsquo;\u00e9quipe m\u00e9dicale de nos centres \u00e9value syst\u00e9matiquement vos ant\u00e9c\u00e9dents avant chaque examen afin de choisir la technique la plus s\u00fbre et la plus adapt\u00e9e.<\/p>\n<h2 dir=\"ltr\">FAQ : vos questions sur l&rsquo;IRM et le scanner<\/h2>\n<h3 dir=\"ltr\">L&rsquo;IRM est-elle plus pr\u00e9cise que le scanner ?<\/h3>\n<p dir=\"ltr\">Cela d\u00e9pend de la zone examin\u00e9e. L&rsquo;IRM offre une meilleure r\u00e9solution des tissus mous, tandis que le scanner reste plus performant pour l&rsquo;os et les urgences.<\/p>\n<h3 dir=\"ltr\">Puis-je choisir moi-m\u00eame entre IRM et scanner ?<\/h3>\n<p dir=\"ltr\">Non, le choix de l&rsquo;examen appartient au m\u00e9decin prescripteur en fonction de la pathologie suspect\u00e9e. Nos radiologues peuvent toutefois \u00e9changer avec votre m\u00e9decin en cas de doute.<\/p>\n<h3 dir=\"ltr\">Le scanner est-il dangereux \u00e0 cause des rayons X ?<\/h3>\n<p dir=\"ltr\">La dose d\u00e9livr\u00e9e lors d&rsquo;un scanner est faible et encadr\u00e9e par des normes strictes de radioprotection. Le b\u00e9n\u00e9fice diagnostique est largement sup\u00e9rieur au risque, sauf cas particuliers comme la grossesse.<\/p>[\/et_pb_text][et_pb_image src=\u00a0\u00bbhttps:\/\/www.impc.fr\/wp-content\/uploads\/2020\/08\/parisimpc.png\u00a0\u00bb title_text=\u00a0\u00bbparisimpc\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n","protected":false},"excerpt":{"rendered":"<p>Vous avez une prescription m\u00e9dicale mentionnant une IRM ou un scanner et vous vous demandez quelle est la diff\u00e9rence entre ces deux examens ? C&rsquo;est une question que se posent de nombreux patients avant de prendre rendez-vous dans un centre d&rsquo;imagerie m\u00e9dicale.<\/p>","protected":false},"author":4,"featured_media":6005,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"1080","footnotes":""},"categories":[272,273],"tags":[],"class_list":["post-5998","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-irm","category-scanner"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>IRM ou scanner : quelle diff\u00e9rence et quel examen choisir ? - Groupe IMPC - Imagerie M\u00e9dicale<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.impc.fr\/en\/irm-ou-scanner-quelle-difference-et-quel-examen-choisir\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"IRM ou scanner : quelle diff\u00e9rence et quel examen choisir ? - Groupe IMPC - Imagerie M\u00e9dicale\" \/>\n<meta property=\"og:description\" content=\"Vous avez une prescription m\u00e9dicale mentionnant une IRM ou un scanner et vous vous demandez quelle est la diff\u00e9rence entre ces deux examens ? 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