{"id":5036,"date":"2025-05-30T14:03:47","date_gmt":"2025-05-30T14:03:47","guid":{"rendered":"https:\/\/www.impc.fr\/?page_id=5036"},"modified":"2025-05-30T14:28:08","modified_gmt":"2025-05-30T14:28:08","slug":"angioscanner-thoracique-imagerie-vasculaire-du-thorax","status":"publish","type":"page","link":"https:\/\/www.impc.fr\/en\/angioscanner-thoracique-imagerie-vasculaire-du-thorax\/","title":{"rendered":"Angioscanner thoracique \u2013 Imagerie vasculaire du thorax"},"content":{"rendered":"

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Angioscanner thoracique \u2013 Imagerie vasculaire du thorax<\/h1>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1″ _builder_version=\u00a0\u00bb4.16″ custom_padding=\u00a0\u00bb46px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb _module_preset=\u00a0\u00bbdefault\u00a0\u00bb][et_pb_row column_structure=\u00a0\u00bb1_2,1_2″ use_custom_gutter=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4″ width=\u00a0\u00bb92%\u00a0\u00bb width_tablet=\u00a0\u00bb92%\u00a0\u00bb width_phone=\u00a0\u00bb94%\u00a0\u00bb width_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb max_width=\u00a0\u00bb1306px\u00a0\u00bb make_fullwidth=\u00a0\u00bbon\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb _module_preset=\u00a0\u00bbdefault\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_2″ _builder_version=\u00a0\u00bb4.16″ custom_padding=\u00a0\u00bb|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb custom_padding__hover=\u00a0\u00bb|||\u00a0\u00bb _module_preset=\u00a0\u00bbdefault\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4″ text_font=\u00a0\u00bb–et_global_body_font||||||||\u00a0\u00bb text_text_color=\u00a0\u00bb#000000″ text_font_size=\u00a0\u00bb15px\u00a0\u00bb header_2_font=\u00a0\u00bb–et_global_heading_font|600|||||||\u00a0\u00bb header_2_font_size=\u00a0\u00bb23px\u00a0\u00bb header_2_line_height=\u00a0\u00bb1.4em\u00a0\u00bb header_3_font=\u00a0\u00bb–et_global_heading_font||||||||\u00a0\u00bb header_3_text_color=\u00a0\u00bb#004D77″ min_height=\u00a0\u00bb104px\u00a0\u00bb custom_margin=\u00a0\u00bb||68px|||\u00a0\u00bb custom_padding=\u00a0\u00bb|10px|0px|0px|false|false\u00a0\u00bb hover_enabled=\u00a0\u00bb0″ border_width_right=\u00a0\u00bb1px\u00a0\u00bb border_color_right=\u00a0\u00bb#a3a3a3″ border_width_right_tablet=\u00a0\u00bb1px\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 _module_preset=\u00a0\u00bbdefault\u00a0\u00bb sticky_enabled=\u00a0\u00bb0″]<\/p>\n

L’<\/span>angioscanner thoracique<\/b> est un <\/span>scanner thoracique sp\u00e9cialis\u00e9<\/b> qui permet de visualiser avec pr\u00e9cision les <\/span>vaisseaux sanguins du thorax<\/b> \u00e0 l\u2019aide d\u2019un <\/span>produit de contraste iod\u00e9<\/b> inject\u00e9 par voie intraveineuse. Cet examen est un <\/span>outil m\u00e9dical qui permet de visualiser<\/b> les <\/span>art\u00e8res pulmonaires<\/b>, les <\/span>art\u00e8res coronaires<\/b>, l\u2019aorte thoracique, et les <\/span>cavit\u00e9s cardiaques<\/b>. Il fournit des images d\u00e9taill\u00e9es et en coupe fine, permettant une <\/span>prise en charge<\/b> rapide des pathologies cardio-pulmonaires.<\/span><\/p>\n

R\u00e9alis\u00e9 en position allong\u00e9e sur une <\/span>table d\u2019examen<\/b>, ce scanner s\u2019av\u00e8re essentiel pour diagnostiquer rapidement des affections graves, comme une <\/span>embolie pulmonaire<\/b>, une <\/span>dissection aortique<\/b> ou un <\/span>cancer thoracique<\/b>. Gr\u00e2ce \u00e0 ses reconstructions en 3D, il constitue l\u2019<\/span>examen de r\u00e9f\u00e9rence<\/b> pour explorer une <\/span>douleur thoracique<\/b> aigu\u00eb.<\/span><\/p>\n

Angioscanner thoracique embolie pulmonaire<\/b><\/h2>\n

L\u2019<\/span>embolie pulmonaire<\/b> est une urgence m\u00e9dicale grave caus\u00e9e par un caillot sanguin, souvent issu des <\/span>membres inf\u00e9rieurs<\/b>, qui vient obstruer une ou plusieurs <\/span>art\u00e8res pulmonaires<\/b>. Cette obstruction g\u00eane l\u2019oxyg\u00e9nation du sang et peut entra\u00eener des complications cardiaques.<\/span><\/p>\n

L\u2019<\/span>angioscanner thoracique<\/b>, coupl\u00e9 \u00e0 une <\/span>injection de produit<\/b> de contraste, permet de d\u00e9tecter ces obstructions. Il offre une vue en temps r\u00e9el du parcours du produit iod\u00e9 dans les art\u00e8res, localisant pr\u00e9cis\u00e9ment les zones bloqu\u00e9es. Il permet \u00e9galement d\u2019\u00e9valuer les cons\u00e9quences sur les <\/span>cavit\u00e9s cardiaques droites<\/b>, en particulier en cas de surcharge.<\/span><\/p>\n

Cet examen est souvent pr\u00e9c\u00e9d\u00e9 d\u2019une <\/span>prise de sang<\/b> (notamment les D-dim\u00e8res), et les r\u00e9sultats sont rapidement disponibles, permettant une <\/span>prise en charge<\/b> imm\u00e9diate. Si une <\/span>r\u00e9action allergique<\/b> au produit de contraste est suspect\u00e9e, des pr\u00e9cautions adapt\u00e9es sont prises. Le scanner est particuli\u00e8rement utile chez les patients <\/span>allergiques au produit de contraste<\/b>, en utilisant des protocoles sp\u00e9cifiques.<\/span><\/p>\n

Angioscanner thoracique cancer<\/b><\/h2>\n

En oncologie thoracique, l\u2019<\/span>angioscanner thoracique<\/b> joue un r\u00f4le capital dans la d\u00e9tection et le suivi de cancers, en particulier le <\/span>cancer du poumon<\/b>. Il permet d\u2019\u00e9valuer l\u2019extension tumorale, l\u2019envahissement de structures voisines comme les <\/span>art\u00e8res pulmonaires<\/b> ou la <\/span>crosse aortique<\/b>, et la pr\u00e9sence de m\u00e9tastases.<\/span><\/p>\n

Cet examen est \u00e9galement r\u00e9alis\u00e9 en pr\u00e9op\u00e9ratoire pour pr\u00e9parer une chirurgie ou en post-traitement pour contr\u00f4ler la r\u00e9ponse \u00e0 la chimioth\u00e9rapie ou \u00e0 la radioth\u00e9rapie. Il peut \u00eatre associ\u00e9 \u00e0 d\u2019autres examens comme la <\/span>scintigraphie<\/b>, l\u2019IRM ou l\u2019\u00e9chographie pour compl\u00e9ter le diagnostic.<\/span><\/p>\n

Le <\/span>compte rendu<\/b> du radiologue mentionnera les dimensions de la tumeur, son extension, et la perfusion locale apr\u00e8s <\/span>injection de produit<\/b>. C\u2019est un \u00e9l\u00e9ment fondamental dans la d\u00e9cision th\u00e9rapeutique.<\/span><\/p>\n

Angioscanner aorte thoracique<\/b><\/h2>\n

L\u2019<\/span>angioscanner de l\u2019aorte thoracique<\/b> permet d\u2019\u00e9valuer avec pr\u00e9cision la morphologie de l\u2019aorte ascendante, de la crosse aortique et de l\u2019aorte descendante. Cet examen est indispensable pour d\u00e9tecter :<\/span><\/p>\n

    \n
  • Un <\/span>an\u00e9vrisme<\/b> de l\u2019aorte thoracique<\/span><\/li>\n
  • Une <\/span>dissection aortique<\/b>, v\u00e9ritable urgence chirurgicale<\/span><\/li>\n
  • Une <\/span>st\u00e9nose<\/b> ou une <\/span>ath\u00e9roscl\u00e9rose<\/b> s\u00e9v\u00e8re<\/span><\/li>\n<\/ul>\n

    Les images obtenues apr\u00e8s <\/span>injection de produit de contraste iod\u00e9<\/b> permettent de d\u00e9tecter la pr\u00e9sence de faux chenaux, de d\u00e9p\u00f4ts lipidiques, ou de thrombus. En cas de dissection, la distinction entre la lumi\u00e8re vraie et la lumi\u00e8re fausse est capitale.<\/span><\/p>\n

    Les bilans peuvent \u00eatre \u00e9tendus \u00e0 l\u2019aorte abdominale et aux <\/span>membres inf\u00e9rieurs<\/b> pour \u00e9valuer l\u2019ensemble de l\u2019arbre vasculaire. Ce type de scanner est souvent demand\u00e9 chez les patients ayant des douleurs thoraciques soudaines irradiant vers le dos.<\/span><\/p>\n

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    IRM Clinique Blomet 75015<\/p>\n

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    D\u00e9roulement de l\u2019examen<\/b><\/h2>\n

    L\u2019examen a lieu en centre de radiologie. Le <\/span>patient est allong\u00e9<\/b> sur une <\/span>table d\u2019examen<\/b> mobile qui se d\u00e9place dans le tunnel du scanner. Il est souvent <\/span>demand\u00e9 au patient<\/b> de retenir sa respiration pendant quelques secondes, afin d\u2019\u00e9viter les flous dus aux mouvements respiratoires.<\/span><\/p>\n

    Une <\/span>injection de produit de contraste iod\u00e9<\/b> est administr\u00e9e via une veine du bras. Ce produit est essentiel pour faire ressortir les vaisseaux sanguins sur les images. Des <\/span>r\u00e9actions allergiques<\/b> sont possibles mais rares. En cas de <\/span>cas d\u2019insuffisance r\u00e9nale<\/b>, une <\/span>prise de sang<\/b> pr\u00e9alable est r\u00e9alis\u00e9e pour v\u00e9rifier la fonction r\u00e9nale.<\/span><\/p>\n

    L\u2019examen est rapide (environ 10 minutes), <\/span>indolore<\/b> et ne n\u00e9cessite pas d\u2019anesth\u00e9sie. Il constitue un gain de temps consid\u00e9rable dans la d\u00e9tection des pathologies graves.<\/span><\/p>\n

    Autres utilisations du scanner thoracique<\/b><\/h2>\n

    Au-del\u00e0 de l\u2019angioscanner, le <\/span>scanner thoracique<\/b> est \u00e9galement utilis\u00e9 pour d\u00e9tecter :<\/span><\/p>\n

      \n
    • Des <\/span>infections pulmonaires<\/b> (pneumopathie, tuberculose)<\/span><\/li>\n
    • Des pathologies interstitielles comme la fibrose<\/span><\/li>\n
    • Des atteintes pleurales (\u00e9panchement, \u00e9paississements)<\/span><\/li>\n
    • Des tumeurs b\u00e9nignes ou malignes<\/span><\/li>\n
    • Des nodules \u00e0 surveiller dans le temps<\/span><\/li>\n<\/ul>\n

      Il est aussi utile pour guider des <\/span>biopsies pulmonaires<\/b> ou \u00e9valuer les r\u00e9sultats d\u2019un traitement. Il peut \u00eatre r\u00e9p\u00e9t\u00e9 sans danger sous r\u00e9serve d\u2019un suivi adapt\u00e9 de l\u2019<\/span>irradiation<\/b> re\u00e7ue.<\/span><\/p>\n

      Des alternatives comme l\u2019<\/span>imagerie par r\u00e9sonance magn\u00e9tique<\/b> ou l\u2019\u00e9chographie cardiaque peuvent compl\u00e9ter ou remplacer le scanner dans certains contextes cliniques.<\/span><\/p>\n

      En r\u00e9sum\u00e9<\/b><\/h2>\n

      L\u2019<\/span>angioscanner thoracique<\/b> est un examen capital en cas de <\/span>douleur thoracique<\/b>, de suspicion de <\/span>maladie vasculaire<\/b> ou d\u2019\u00e9valuation de <\/span>cancer thoracique<\/b>. Il s\u2019appuie sur l\u2019injection d\u2019un <\/span>produit de contraste iod\u00e9<\/b> et fournit des images haute d\u00e9finition du thorax.<\/span><\/p>\n

      C\u2019est un examen s\u00fbr, rapide, bien tol\u00e9r\u00e9, et qui offre un excellent rapport b\u00e9n\u00e9fice\/risque. Gr\u00e2ce \u00e0 lui, les \u00e9quipes m\u00e9dicales peuvent \u00e9tablir un <\/span>diagnostic rapide<\/b>, adapter la <\/span>prise en charge<\/b> et am\u00e9liorer les chances de r\u00e9cup\u00e9ration du patient.<\/span><\/p>\n

      En cas de doute ou de sympt\u00f4mes inexpliqu\u00e9s, votre m\u00e9decin pourra recommander cet examen essentiel pour orienter efficacement la suite du bilan m\u00e9dical.<\/span><\/p>\n

      [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

      Angioscanner thoracique \u2013 Imagerie vasculaire du thoraxL’angioscanner thoracique est un scanner thoracique sp\u00e9cialis\u00e9 qui permet de visualiser avec pr\u00e9cision les vaisseaux sanguins du thorax \u00e0 l\u2019aide d\u2019un produit de contraste iod\u00e9 inject\u00e9 par voie intraveineuse. Cet examen est un outil m\u00e9dical qui permet de visualiser les art\u00e8res pulmonaires, les art\u00e8res coronaires, l\u2019aorte thoracique, et les […]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-5036","page","type-page","status-publish","hentry"],"yoast_head":"\nAngioscanner thoracique \u2013 Imagerie vasculaire du thorax - Groupe IMPC - Imagerie M\u00e9dicale<\/title>\n<meta name=\"description\" content=\"Angioscanner thoracique : diagnostic rapide des vaisseaux, embolie pulmonaire, cancer et pathologies cardiaques.\" \/>\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\/angioscanner-thoracique-imagerie-vasculaire-du-thorax\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Angioscanner thoracique \u2013 Imagerie vasculaire du thorax - 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