{"id":3916,"date":"2026-08-18T14:15:36","date_gmt":"2026-08-18T12:15:36","guid":{"rendered":"https:\/\/avicenna-medical-center.borgmeier.media\/diagnostic-radiology\/computed-tomography-scan-ct-scan\/was-ist-ein-ct\/"},"modified":"2026-08-21T08:54:30","modified_gmt":"2026-08-21T06:54:30","slug":"what-is-a-ct-scan","status":"publish","type":"page","link":"https:\/\/avicenna-medical-center.borgmeier.media\/en\/diagnostic-radiology\/computed-tomography-scan-ct-scan\/what-is-a-ct-scan\/","title":{"rendered":"What is a CT scan?"},"content":{"rendered":"<div>\n<h1>What is a CT scan?<\/h1>\n<div>Computed tomography scans, or CT scans for short, provide detailed insights into the human body in a matter of seconds. Today, it is one of the most important imaging techniques and is used to quickly and reliably visualize diseases, injuries, and other physical changes.\n<\/div>\n<p><a href=\"#kontaktformular\">Contact us now<\/a><\/p>\n<\/div>\n<h1>What is a CT scan?<\/h1>\n<div>\n<p>A CT scan is a modern X-ray procedure that captures images of the body layer by layer. While conventional X-rays provide only a two-dimensional image, computed tomography scans produce numerous cross-sectional images that are then combined to form a detailed picture.<\/p>\n<p>This high image resolution makes it possible to accurately assess even deep-seated structures. Bones, internal organs, lungs, and blood vessels in particular, can be visualized exceptionally well with a CT scan.<\/p>\n<\/div>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/08\/CT4-scaled.jpg\" alt=\"\"><\/p>\n<div>\n<h2>How does a CT scan work?<\/h2>\n<div>\n<p>During the exam, the examination table on which the patient is lying moves slowly through the ring-shaped opening of the CT scanner. At the same time, the X-ray tube rotates around the body, capturing images from many different angles.<\/p>\n<p>A powerful computer immediately processes this data into high-resolution cross-sectional images. Depending on the clinical question, a contrast agent may also be used to make certain organs or blood vessels even more clearly visible.<\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/04\/Avicenna-Medical-Center-exclamation-mark-icon.png\" alt=\"\"><\/p>\n<div>Modern CT systems operate extremely quickly and provide a large amount of diagnostically relevant information in a short amount of time. This makes it possible to reliably diagnose even complex conditions.<\/div>\n<h1>For which areas of the body is a CT scan appropriate?<\/h1>\n<div>Computed tomography scans are used in nearly all medical specialties. The following are particularly common areas of examination:<\/div>\n<ul>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\" alt=\"\"><\/p>\n<div>Skull and brain<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\" alt=\"\"><\/p>\n<div>Spine<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\" alt=\"\"><\/p>\n<div>Chest and lungs<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\" alt=\"\"><\/p>\n<div>Abdomen and pelvis<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\" alt=\"\"><\/p>\n<div>Bones and joints<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\" alt=\"\"><\/p>\n<div>Blood vessels as part of a CT angiography<\/div>\n<\/li>\n<\/ul>\n<div>Depending on the symptoms, the examination can be focused on a single area of the body or on several areas at the same time.<\/div>\n<h1>In what cases is a CT scan performed?<\/h1>\n<div>\n<p>A CT scan is often recommended when medical conditions or injuries need to be diagnosed as quickly as possible and\/or when particularly detailed images are required.<\/p>\n<p>Reasons for a CT scan may include:<\/p>\n<\/div>\n<ul>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\" alt=\"\"><\/p>\n<div>Fractures<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\" alt=\"\"><\/p>\n<div>Spinal injuries<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\" alt=\"\"><\/p>\n<div>Lung diseases<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\" alt=\"\"><\/p>\n<div>Abdominal symptoms<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\" alt=\"\"><\/p>\n<div>Vascular diseases<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\" alt=\"\"><\/p>\n<div>Tumor diagnosis<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\" alt=\"\"><\/p>\n<div>Surgical planning<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\" alt=\"\"><\/p>\n<div>Follow-up care after treatment<\/div>\n<\/li>\n<\/ul>\n<div>Which imaging modality provides the best diagnostic results in each individual case always depends on your symptoms and the clinical question at hand.<\/p>\n<\/div>\n<div>\n<h2>Questions about the CT scan procedure<\/h2>\n<div>\n<p>If you have no prior experience with this type of exam, you may want to know more before your CT scan, such as how long the exam will take, whether it is painful, and whether any special preparations are required.<\/p>\n<p>You can find detailed information on this topic on our page \u201cWhat happens during a CT scan?\u201d<\/p>\n<\/div>\n<p><a href=\"https:\/\/avicenna-medical-center.borgmeier.media\/en\/diagnostic-radiology\/computed-tomography-scan-ct-scan\/what-happens-during-a-ct-scan\/\">What happens during a CT scan?<\/a><\/p>\n<\/div>\n<p><!--more--><br \/>\n<!-- {\"type\":\"layout\",\"children\":[{\"name\":\"Hero Angepasst\",\"type\":\"section\",\"props\":{\"class\":\"headerSection hero\",\"height\":\"viewport\",\"height_viewport_offset\":true,\"image\":\"wp-content\/uploads\/2026\/08\/MRTCT2-scaled.jpg\",\"image_position\":\"center-center\",\"image_size\":\"cover\",\"media_focal_point\":\"bottom-center\",\"padding_remove_horizontal\":false,\"style\":\"\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"middle\",\"width\":\"\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"position_sticky_offset\":\"80\",\"position_sticky_offset_end\":\"80\",\"prevent_collapse\":false,\"vertical_align\":\"middle\"},\"children\":[{\"type\":\"panel\",\"props\":{\"content\":\"Computed tomography scans, or CT scans for short, provide detailed insights into the human body in a matter of seconds. Today, it is one of the most important imaging techniques and is used to quickly and reliably visualize diseases, injuries, and other physical changes.\\n\",\"content_column_breakpoint\":\"m\",\"height_expand\":false,\"image_align\":\"top\",\"image_grid_breakpoint\":\"m\",\"image_grid_width\":\"1-2\",\"image_svg_color\":\"emphasis\",\"link\":\"#kontaktformular\",\"link_fullwidth\":false,\"link_style\":\"default\",\"link_text\":\"Contact us now\",\"margin_bottom\":\"default\",\"margin_top\":\"default\",\"maxwidth\":\"xlarge\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"panel_padding\":\"default\",\"panel_style\":\"card-primary\",\"text_align\":\"left\",\"title\":\"What is a CT scan?\",\"title_align\":\"top\",\"title_element\":\"h1\",\"title_grid_breakpoint\":\"m\",\"title_grid_width\":\"1-2\",\"title_hover_style\":\"reset\",\"title_margin_auto\":false,\"title_style\":\"h1\"}}]}],\"props\":{\"column_gap\":\"collapse\",\"margin_bottom\":\"remove\",\"margin_top\":\"remove\",\"parallax\":false,\"row_gap\":\"collapse\",\"width\":\"default\"}}]},{\"name\":\"Abschnitt 3\",\"type\":\"section\",\"props\":{\"animation\":\"slide-bottom-medium\",\"background_color\":\"#E8EFF2\",\"height_viewport\":false,\"image_position\":\"center-center\",\"image_size\":\"cover\",\"style\":\"\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"\",\"width\":\"default\"},\"children\":[{\"type\":\"row\",\"props\":{\"column_gap\":\"large\",\"layout\":\"3-5,2-5\",\"margin_bottom\":\"default\",\"margin_top\":\"medium\",\"row_gap\":\"medium\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"vertical_align\":\"middle\",\"width_medium\":\"3-5\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"What is a CT scan?\",\"image_align\":\"left\",\"image_margin\":\"xsmall\",\"margin_bottom\":\"default\",\"margin_top\":\"default\",\"title_element\":\"h1\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>A CT scan is a modern X-ray procedure that captures images of the body layer by layer. While conventional X-rays provide only a two-dimensional image, computed tomography scans produce numerous cross-sectional images that are then combined to form a detailed picture.<\/p>\n\n\\n\\n\n\n<p>This high image resolution makes it possible to accurately assess even deep-seated structures. Bones, internal organs, lungs, and blood vessels in particular, can be visualized exceptionally well with a CT scan.<\/p>\n\n\",\"margin_bottom\":\"default\",\"margin_top\":\"default\"}}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"2-5\"},\"children\":[{\"type\":\"image\",\"props\":{\"class\":\"rounded\",\"height_expand\":true,\"image\":\"wp-content\/uploads\/2026\/08\/CT4-scaled.jpg\",\"image_svg_color\":\"emphasis\",\"margin_bottom\":\"default\",\"margin_top\":\"default\"}}]}]}]},{\"name\":\"Abschnitt 4\",\"type\":\"section\",\"props\":{\"animation\":\"slide-bottom-medium\",\"height_viewport\":false,\"image_position\":\"center-center\",\"image_size\":\"cover\",\"style\":\"primary\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"\",\"width\":\"\"},\"children\":[{\"type\":\"row\",\"props\":{\"column_gap\":\"medium\",\"margin_bottom\":\"default\",\"margin_top\":\"medium\",\"row_gap\":\"medium\",\"width\":\"large\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"vertical_align\":\"middle\"},\"children\":[{\"type\":\"panel\",\"props\":{\"block_align\":\"center\",\"content\":\"\n\n<p>During the exam, the examination table on which the patient is lying moves slowly through the ring-shaped opening of the CT scanner. At the same time, the X-ray tube rotates around the body, capturing images from many different angles.<\/p>\n\n\\n\n\n<p>A powerful computer immediately processes this data into high-resolution cross-sectional images. Depending on the clinical question, a contrast agent may also be used to make certain organs or blood vessels even more clearly visible.<\/p>\n\n\",\"content_column_breakpoint\":\"m\",\"height_expand\":false,\"image_align\":\"top\",\"image_grid_breakpoint\":\"m\",\"image_grid_width\":\"1-2\",\"image_svg_color\":\"emphasis\",\"link_margin\":\"large\",\"link_size\":\"large\",\"link_style\":\"secondary\",\"link_text\":\"Meet the Doctors\",\"margin_bottom\":\"default\",\"margin_top\":\"default\",\"maxwidth_breakpoint\":\"m\",\"meta\":\"\",\"meta_align\":\"above-title\",\"meta_color\":\"primary\",\"meta_element\":\"div\",\"meta_style\":\"h6\",\"text_align\":\"left\",\"text_align_fallback\":\"left\",\"title\":\"How does a CT scan work?\",\"title_align\":\"top\",\"title_element\":\"h2\",\"title_grid_breakpoint\":\"m\",\"title_grid_width\":\"1-2\",\"title_hover_style\":\"reset\"}}]}]}]},{\"name\":\"Abschnitt 5\",\"type\":\"section\",\"props\":{\"animation\":\"slide-bottom-medium\",\"background_color\":\"#E8EFF2\",\"height_viewport\":false,\"image_position\":\"center-center\",\"image_size\":\"cover\",\"style\":\"\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"\",\"width\":\"\"},\"children\":[{\"type\":\"row\",\"props\":{\"class\":\"rounded\",\"column_gap\":\"medium\",\"css\":\".el-row {\\n    background-color: white;\\n    padding: 20px;\\n}\",\"layout\":\"1-5,4-5\",\"margin_bottom\":\"default\",\"margin_top\":\"default\",\"row_gap\":\"medium\",\"width\":\"xsmall\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"vertical_align\":\"middle\",\"width_medium\":\"1-5\"},\"children\":[{\"type\":\"image\",\"props\":{\"height_expand\":false,\"height_viewport\":false,\"image\":\"wp-content\/uploads\/2026\/04\/Avicenna-Medical-Center-exclamation-mark-icon.png\",\"image_svg_color\":\"emphasis\",\"image_width\":80,\"margin_bottom\":\"default\",\"margin_top\":\"default\",\"text_align\":\"center\",\"text_align_breakpoint\":\"s\",\"text_align_fallback\":\"center\"}}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"vertical_align\":\"middle\",\"width_medium\":\"4-5\"},\"children\":[{\"type\":\"text\",\"props\":{\"blend\":false,\"column_breakpoint\":\"m\",\"content\":\"Modern CT systems operate extremely quickly and provide a large amount of diagnostically relevant information in a short amount of time. This makes it possible to reliably diagnose even complex conditions.\",\"margin_bottom\":\"default\",\"margin_top\":\"default\",\"text_align\":\"left\"}}]}]}]},{\"name\":\"Abschnitt 11\",\"type\":\"section\",\"props\":{\"animation\":\"slide-bottom-medium\",\"background_color\":\"#E8EFF2\",\"height_viewport\":false,\"image_position\":\"center-center\",\"image_size\":\"cover\",\"padding_top\":\"none\",\"style\":\"\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"\",\"width\":\"\"},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-2,1-2\",\"margin_bottom\":\"default\",\"margin_top\":\"default\",\"row_gap\":\"collapse\",\"width\":\"xlarge\"},\"children\":[{\"type\":\"column\",\"props\":{\"class\":\"rounded \",\"image_position\":\"center-center\",\"padding\":\"large\",\"position_sticky_breakpoint\":\"m\",\"style\":\"card-overlay\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"For which areas of the body is a CT scan appropriate?\",\"image_align\":\"left\",\"image_margin\":\"xsmall\",\"title_element\":\"h1\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"Computed tomography scans are used in nearly all medical specialties. The following are particularly common areas of examination:\",\"margin_bottom\":\"default\",\"margin_top\":\"default\"}},{\"type\":\"list\",\"props\":{\"column_breakpoint\":\"m\",\"image_align\":\"left\",\"image_svg_color\":\"emphasis\",\"image_vertical_align\":true,\"image_width\":20,\"list_element\":\"ul\",\"list_horizontal_separator\":\", \",\"list_type\":\"vertical\",\"margin_top\":\"default\",\"show_image\":true,\"show_link\":true,\"text_align\":\"left\"},\"children\":[{\"type\":\"list_item\",\"props\":{\"content\":\"Skull and brain\",\"image\":\"wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"Spine\",\"image\":\"wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"Chest and lungs\",\"image\":\"wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"Abdomen and pelvis\",\"image\":\"wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"Bones and joints\",\"image\":\"wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"Blood vessels as part of a CT angiography\",\"image\":\"wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\"}}]},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"Depending on the symptoms, the examination can be focused on a single area of the body or on several areas at the same time.\",\"margin_bottom\":\"default\",\"margin_top\":\"default\"}}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"padding\":\"large\",\"position_sticky_breakpoint\":\"m\",\"style\":\"card-overlay\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"In what cases is a CT scan performed?\",\"image_align\":\"left\",\"image_margin\":\"xsmall\",\"title_element\":\"h1\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>A CT scan is often recommended when medical conditions or injuries need to be diagnosed as quickly as possible and\/or when particularly detailed images are required.<\/p>\n\n\\n\\n\n\n<p>Reasons for a CT scan may include:<\/p>\n\n\",\"margin_bottom\":\"default\",\"margin_top\":\"default\"}},{\"type\":\"list\",\"props\":{\"column_breakpoint\":\"m\",\"image_align\":\"left\",\"image_svg_color\":\"emphasis\",\"image_vertical_align\":true,\"image_width\":20,\"list_element\":\"ul\",\"list_horizontal_separator\":\", \",\"list_type\":\"vertical\",\"margin_top\":\"default\",\"show_image\":true,\"show_link\":true,\"text_align\":\"left\"},\"children\":[{\"type\":\"list_item\",\"props\":{\"content\":\"Fractures\",\"image\":\"wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"Spinal injuries\",\"image\":\"wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"Lung diseases\",\"image\":\"wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"Abdominal symptoms\",\"image\":\"wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"Vascular diseases\",\"image\":\"wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"Tumor diagnosis\",\"image\":\"wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"Surgical planning\",\"image\":\"wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"Follow-up care after treatment\",\"image\":\"wp-content\/uploads\/2026\/06\/Medical_Center_Arrow.png\"}}]},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"Which imaging modality provides the best diagnostic results in each individual case always depends on your symptoms and the clinical question at hand.\\n\\n\",\"margin_bottom\":\"default\",\"margin_top\":\"default\"}}]}]}]},{\"type\":\"section\",\"props\":{\"image\":\"wp-content\/uploads\/2026\/03\/Design_Avicenna_Medical_Center_Startseite_Banner_Hintergrud-scaled.jpg\",\"image_position\":\"center-center\",\"image_size\":\"cover\",\"style\":\"primary\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"middle\",\"width\":\"small\"},\"children\":[{\"type\":\"row\",\"props\":{\"margin_bottom\":\"default\",\"margin_top\":\"default\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\"},\"children\":[{\"type\":\"panel\",\"props\":{\"content\":\"\n\n<p>If you have no prior experience with this type of exam, you may want to know more before your CT scan, such as how long the exam will take, whether it is painful, and whether any special preparations are required.<\/p>\n\n\\n\\n\n\n<p>You can find detailed 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Computed tomography scans, or CT scans for short, provide detailed insights into the human body in a matter of seconds. Today, it is one of the most important imaging techniques and is used to quickly and reliably visualize diseases, injuries, and other physical changes. Contact us now What is a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3710,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3916","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Computed tomography scans explained<\/title>\n<meta name=\"description\" content=\"Learn how computed tomography scans (CT scans) work, when they are used, and what benefits this procedure offers.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Computed tomography scans explained\" \/>\n<meta property=\"og:description\" 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