{"id":87171,"date":"2026-02-20T13:10:05","date_gmt":"2026-02-20T13:10:05","guid":{"rendered":""},"modified":"2026-03-18T12:22:10","modified_gmt":"2026-03-18T12:22:10","slug":"news-ct-evolution-understanding-the-generations-of-computed-tomography","status":"publish","type":"post","link":"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/","title":{"rendered":"CT\u00a0Evolution: Understanding the Generations of Computed Tomography\u00a0"},"content":{"rendered":"\n

<\/path><\/svg><\/span><\/span>Estimated reading time: <\/span>7<\/span> minutes<\/span><\/p>\n\n\n\n

Computed Tomography Through the Generations<\/strong> <\/h3>\n\n\n\n

Computed Tomography (CT) <\/a>has undergone rapid and continuous development since the first clinical scanner was introduced in 1971. Over successive decades, advances in CT technology have dramatically reduced acquisition times while improving image quality and diagnostic accuracy. These improvements opened new diagnostic possibilities, from precise timing of contrast-enhanced studies to cardiac imaging made possible by sub-second scan times. <\/p>\n\n\n\n

\"\"<\/a><\/figure>\n\n\n\n

Generations of CT Systems<\/h4>\n\n\n\n

As CT technology evolved, these stepwise improvements became known as generations<\/em> of CT scanner systems. From invention to the present day, five main generations of CT design are commonly described (with more complex sixth and seventh generations incorporating dual-energy and spectral technologies). <\/p>\n\n\n\n

Before exploring each generation, it is helpful to clarify one commonly used term. When describing early CT systems, the word translate<\/em> refers to linear movement of the X-ray tube and detector assembly across the patient, while rotate<\/em> refers to circular movement around the patient within the gantry. <\/p>\n\n\n\n

The five core generations of CT scanner are summarised below: <\/p>\n\n\n\n

Generation<\/strong> <\/td>Year<\/strong> <\/td>Beam geometry<\/strong> <\/td>Tube\u2013Detector movement<\/strong> <\/td>Time to acquire one image<\/strong> <\/td><\/tr>
First <\/td>1971 <\/td>Pencil <\/td>Translate\u2013Rotate <\/td>~5 min <\/td><\/tr>
Second <\/td>1974 <\/td>Narrow fan <\/td>Translate\u2013Rotate <\/td>~20 sec <\/td><\/tr>
Third <\/td>1975 <\/td>Fan <\/td>Rotate\u2013Rotate <\/td>~1 sec <\/td><\/tr>
Fourth <\/td>1976 <\/td>Fan <\/td>Rotate\u2013Stationary <\/td>~1 sec <\/td><\/tr>
Fifth <\/td>1980 <\/td>Fan <\/td>Stationary\u2013Stationary <\/td><1 sec <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

This article outlines the defining features of each CT generation and explains why third-generation systems became the dominant design used in veterinary clinics today. <\/p>\n\n\n\n

First-generation CT scanners: translate\u2013rotate systems (1970s)<\/strong> <\/p>\n\n\n\n

CT technology began with first-generation systems using a narrow, pencil-shaped X-ray beam. <\/p>\n\n\n\n

\"dog<\/figure>\n\n\n\n

First Generation CT System<\/em><\/strong> <\/p>\n\n\n\n

In these scanners, the X-ray tube and detector translated linearly across the patient while acquiring multiple exposures. Once the full width of the anatomy was covered, the tube\u2013detector assembly rotated to a new angle and the process was repeated. <\/p>\n\n\n\n

This painstaking acquisition method resulted in extremely long scan times. Each image slice required more than five minutes of scanning, and image reconstruction took hours. Motion artefact was therefore a major limitation. As a result, first-generation CT scanners were restricted to imaging the head and were never adopted for veterinary use. <\/p>\n\n\n\n

Second-generation CT scanners: improved translate\u2013rotate systems (mid\u2013late 1970s)<\/strong> <\/p>\n\n\n\n

Second-generation CT systems introduced a narrow fan-shaped X-ray beam and multiple detector elements arranged in an array. <\/p>\n\n\n\n

\"dog<\/a><\/figure>\n\n\n\n

Second Generation CT System<\/em><\/strong> <\/p>\n\n\n\n

Although the translate\u2013rotate motion remained, the wider beam geometry allowed a larger section of anatomy to be covered with each projection. This reduced acquisition times to between 20 seconds and two minutes per slice and improved spatial resolution compared with first-generation systems. <\/p>\n\n\n\n

Despite these improvements, prolonged scan times and sensitivity to motion artefact persisted due to the need for translation across the patient. Second-generation CT scanners therefore acted mainly as a transitional step and were not widely adopted. <\/p>\n\n\n\n

Third-generation CT scanners: rotate\u2013rotate systems (late 1970s\u2013present)<\/strong> <\/p>\n\n\n\n

Third-generation CT scanners represented a major turning point in CT system design. These systems use a wide fan beam and a curved detector array containing hundreds of individual detector elements.  <\/p>\n\n\n\n

\"dog<\/a><\/figure>\n\n\n\n

Third Generation CT System<\/em><\/strong> <\/p>\n\n\n\n

Both the X-ray tube and detector array rotate together around the patient, eliminating the need for translational movement. This innovation led to a dramatic reduction in acquisition times, with image slices that previously took minutes now acquired in approximately one second. The increased number of detector elements also delivered substantial improvements in image quality and contrast resolution. <\/p>\n\n\n\n

The combination of fast scan times, high-quality images and relative cost-effectiveness allowed third-generation CT systems to become the dominant scanner type. Most CT scanners currently used in veterinary practice are based on this third-generation design. <\/p>\n\n\n\n

Fourth-generation CT scanners: rotate\u2013stationary systems (1980s\u20131990s)<\/strong> <\/p>\n\n\n\n

Fourth-generation CT systems introduced a full 360-degree annular ring of stationary detectors mounted within the gantry. In this design, only the X-ray tube rotates around the patient. <\/p>\n\n\n\n

\"dog<\/a><\/figure>\n\n\n\n

Fourth Generation CT System<\/em><\/strong> <\/p>\n\n\n\n

In theory, this configuration offered improved mechanical stability and the potential for further reductions in acquisition time. In practice, however, the increased system complexity resulted in high purchase and maintenance costs without a corresponding improvement in image quality. <\/p>\n\n\n\n

As a result, fourth-generation CT scanners did not gain widespread adoption and are rarely encountered in veterinary imaging. <\/p>\n\n\n\n

Fifth-generation CT scanners: stationary\u2013stationary systems (1990s\u2013present)<\/strong> <\/p>\n\n\n\n

Fifth-generation CT systems removed mechanical movement altogether. Rather than rotating an X-ray tube, these scanners steer the X-ray beam electronically. <\/p>\n\n\n\n

\"dog<\/a><\/figure>\n\n\n\n

Fifth Generation CT System<\/em><\/strong> <\/p>\n\n\n\n

This design enables extremely rapid image acquisition, making sub-second scan times, and therefore cardiac imaging, possible. However, the technical complexity and high cost of fifth-generation systems have limited their availability. <\/p>\n\n\n\n

Consequently, these scanners remain uncommon in veterinary practice and are primarily found in specialised or research settings. <\/p>\n\n\n\n

<\/p>\n\n\n\n

Beyond the classical generations: modern CT developments<\/strong> <\/p>\n\n\n\n

CT technology has continued to advance beyond the five classical generations. The introduction of slip-ring technology in the late 1980s enabled continuous gantry rotation and led to helical (or spiral) CT scanning, in which the patient table moves continuously during image acquisition. Helical CT dramatically reduced scan times and became the new standard for CT imaging. <\/p>\n\n\n\n

Subsequent developments in detector technology enabled multi-slice CT, allowing multiple image slices to be acquired simultaneously. Modern scanners can capture dozens to hundreds of slices per rotation, producing thin, isotropic voxels that allow accurate multiplanar reconstruction and high-quality three-dimensional imaging. <\/p>\n\n\n\n

More recently, dual-energy and dual-source CT systems have enabled material differentiation, improved contrast characterisation and reduced metal artefact by acquiring data at different X-ray energies. The latest frontier in CT development is photon-counting CT, which uses advanced semiconductor detectors to individually measure and classify X-ray photons, improving dose efficiency, spatial resolution and material discrimination. <\/p>\n\n\n\n

Together, these advances continue to expand the diagnostic capabilities of CT, ensuring its ongoing central role in both human and veterinary imaging. <\/p>\n\n\n\n

\"red<\/figure>\n\n\n\n

Learn more about CT in veterinary practice<\/h4>\n\n\n\n

If you would like to deepen your understanding of computed tomography or maximise the clinical value of CT in your practice, explore our\u202fIntroduction to Veterinary Computed Tomography<\/em>\u202f course. <\/p>\n\n\n\n

We also offer a range of free educational resources designed to support veterinary teams using diagnostic imaging equipment:<\/p>\n\n\n\n

\n
\n
\n
\n \n
\n \n \n <\/picture>\n <\/div> \n
\n
\n Podcast \u2013 CT in General Practice <\/h6>\n <\/div>\n <\/a>\n <\/div> \n <\/div> \n <\/div> \n <\/div>\n\n\n\n
\n
\n
\n \n
\n \n \n <\/picture>\n <\/div> \n
\n
\n The importance of contrast imaging <\/h6>\n <\/div>\n <\/a>\n <\/div> \n <\/div> \n <\/div> \n <\/div>\n\n\n\n
\n
\n
\n \n
\n \n \n <\/picture>\n <\/div> \n
\n
\n Introduction to Veterinary Computed Tomography Online Course <\/h6>\n <\/div>\n <\/a>\n <\/div> \n <\/div> \n <\/div> \n <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Computed Tomography Through the Generations  Computed Tomography (CT) has undergone rapid and continuous development since the first clinical scanner was introduced in 1971. Over successive decades, advances in CT technology have dramatically reduced acquisition times while improving image quality and diagnostic accuracy. These improvements opened new diagnostic possibilities, from precise…<\/p>\n","protected":false},"author":16691,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","ep_exclude_from_search":false,"footnotes":""},"categories":[1354,1724,1903,1927],"class_list":["post-87171","post","type-post","status-publish","format-standard","hentry","category-imv-small-animal","category-ct-mri","category-new-start-practice","category-ct-mri-world"],"acf":[],"yoast_head":"\nCT\u00a0Evolution: the Generations of Computed Tomography<\/title>\n<meta name=\"description\" content=\"From invention to the present day, five main generations of CT evolution are commonly described. Read our blog to learn more\" \/>\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.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CT\u00a0Evolution: Understanding the Generations of Computed Tomography\u00a0\" \/>\n<meta property=\"og:description\" content=\"From invention to the present day, five main generations of CT evolution are commonly described. Read our blog to learn more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/\" \/>\n<meta property=\"og:site_name\" content=\"IMV imaging\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/imvimaging.northamerica\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-20T13:10:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-18T12:22:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2026\/02\/CT-blog-image-scanner.png\" \/>\n\t<meta property=\"og:image:width\" content=\"705\" \/>\n\t<meta property=\"og:image:height\" content=\"457\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Clinical Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@IMVimaging\" \/>\n<meta name=\"twitter:site\" content=\"@IMVimaging\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Clinical Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/\"},\"author\":{\"name\":\"Clinical Team\",\"@id\":\"https:\/\/www.imv-imaging.com\/en\/#\/schema\/person\/63da94eb21e4f3ff93e405cde1b31b26\"},\"headline\":\"CT\u00a0Evolution: Understanding the Generations of Computed Tomography\u00a0\",\"datePublished\":\"2026-02-20T13:10:05+00:00\",\"dateModified\":\"2026-03-18T12:22:10+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/\"},\"wordCount\":1126,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.imv-imaging.com\/en\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2026\/02\/CT-blog-image-scanner.png\",\"articleSection\":[\"Small Animal\",\"CT\/MRI\",\"New Start Practice\",\"CT\/MRI\"],\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/\",\"url\":\"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/\",\"name\":\"CT\u00a0Evolution: the Generations of Computed Tomography\",\"isPartOf\":{\"@id\":\"https:\/\/www.imv-imaging.com\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2026\/02\/CT-blog-image-scanner.png\",\"datePublished\":\"2026-02-20T13:10:05+00:00\",\"dateModified\":\"2026-03-18T12:22:10+00:00\",\"description\":\"From invention to the present day, five main generations of CT evolution are commonly described. Read our blog to learn more\",\"breadcrumb\":{\"@id\":\"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#primaryimage\",\"url\":\"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2026\/02\/CT-blog-image-scanner.png\",\"contentUrl\":\"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2026\/02\/CT-blog-image-scanner.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.imv-imaging.com\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"CT\u00a0Evolution: Understanding the Generations of Computed Tomography\u00a0\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.imv-imaging.com\/en\/#website\",\"url\":\"https:\/\/www.imv-imaging.com\/en\/\",\"name\":\"IMV Imaging\",\"description\":\"More than just imaging\",\"publisher\":{\"@id\":\"https:\/\/www.imv-imaging.com\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.imv-imaging.com\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.imv-imaging.com\/en\/#organization\",\"name\":\"IMV Imaging\",\"url\":\"https:\/\/www.imv-imaging.com\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/www.imv-imaging.com\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2023\/01\/viewcloud-logo-large.jpg\",\"contentUrl\":\"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2023\/01\/viewcloud-logo-large.jpg\",\"width\":770,\"height\":400,\"caption\":\"IMV Imaging\"},\"image\":{\"@id\":\"https:\/\/www.imv-imaging.com\/en\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/imvimaging.northamerica\/\",\"https:\/\/x.com\/IMVimaging\",\"https:\/\/www.linkedin.com\/company\/imv-imaging\/\",\"https:\/\/www.youtube.com\/channel\/UCM294Ky6760YOaPsiuS2-Dg\",\"https:\/\/www.instagram.com\/imv.imaging\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.imv-imaging.com\/en\/#\/schema\/person\/63da94eb21e4f3ff93e405cde1b31b26\",\"name\":\"Clinical Team\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/www.imv-imaging.com\/en\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/a001f3bc5e533f0be8d13e6304b30cd4?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/a001f3bc5e533f0be8d13e6304b30cd4?s=96&d=mm&r=g\",\"caption\":\"Clinical Team\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"CT\u00a0Evolution: the Generations of Computed Tomography","description":"From invention to the present day, five main generations of CT evolution are commonly described. Read our blog to learn more","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/","og_locale":"en_GB","og_type":"article","og_title":"CT\u00a0Evolution: Understanding the Generations of Computed Tomography\u00a0","og_description":"From invention to the present day, five main generations of CT evolution are commonly described. Read our blog to learn more","og_url":"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/","og_site_name":"IMV imaging","article_publisher":"https:\/\/www.facebook.com\/imvimaging.northamerica\/","article_published_time":"2026-02-20T13:10:05+00:00","article_modified_time":"2026-03-18T12:22:10+00:00","og_image":[{"width":705,"height":457,"url":"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2026\/02\/CT-blog-image-scanner.png","type":"image\/png"}],"author":"Clinical Team","twitter_card":"summary_large_image","twitter_creator":"@IMVimaging","twitter_site":"@IMVimaging","twitter_misc":{"Written by":"Clinical Team","Estimated reading time":"7 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#article","isPartOf":{"@id":"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/"},"author":{"name":"Clinical Team","@id":"https:\/\/www.imv-imaging.com\/en\/#\/schema\/person\/63da94eb21e4f3ff93e405cde1b31b26"},"headline":"CT\u00a0Evolution: Understanding the Generations of Computed Tomography\u00a0","datePublished":"2026-02-20T13:10:05+00:00","dateModified":"2026-03-18T12:22:10+00:00","mainEntityOfPage":{"@id":"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/"},"wordCount":1126,"commentCount":0,"publisher":{"@id":"https:\/\/www.imv-imaging.com\/en\/#organization"},"image":{"@id":"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#primaryimage"},"thumbnailUrl":"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2026\/02\/CT-blog-image-scanner.png","articleSection":["Small Animal","CT\/MRI","New Start Practice","CT\/MRI"],"inLanguage":"en-GB","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/","url":"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/","name":"CT\u00a0Evolution: the Generations of Computed Tomography","isPartOf":{"@id":"https:\/\/www.imv-imaging.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#primaryimage"},"image":{"@id":"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#primaryimage"},"thumbnailUrl":"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2026\/02\/CT-blog-image-scanner.png","datePublished":"2026-02-20T13:10:05+00:00","dateModified":"2026-03-18T12:22:10+00:00","description":"From invention to the present day, five main generations of CT evolution are commonly described. Read our blog to learn more","breadcrumb":{"@id":"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/"]}]},{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#primaryimage","url":"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2026\/02\/CT-blog-image-scanner.png","contentUrl":"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2026\/02\/CT-blog-image-scanner.png"},{"@type":"BreadcrumbList","@id":"https:\/\/www.imv-imaging.com\/en\/2026\/02\/news-ct-evolution-understanding-the-generations-of-computed-tomography\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.imv-imaging.com\/en\/"},{"@type":"ListItem","position":2,"name":"CT\u00a0Evolution: Understanding the Generations of Computed Tomography\u00a0"}]},{"@type":"WebSite","@id":"https:\/\/www.imv-imaging.com\/en\/#website","url":"https:\/\/www.imv-imaging.com\/en\/","name":"IMV Imaging","description":"More than just imaging","publisher":{"@id":"https:\/\/www.imv-imaging.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.imv-imaging.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:\/\/www.imv-imaging.com\/en\/#organization","name":"IMV Imaging","url":"https:\/\/www.imv-imaging.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/www.imv-imaging.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2023\/01\/viewcloud-logo-large.jpg","contentUrl":"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2023\/01\/viewcloud-logo-large.jpg","width":770,"height":400,"caption":"IMV Imaging"},"image":{"@id":"https:\/\/www.imv-imaging.com\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/imvimaging.northamerica\/","https:\/\/x.com\/IMVimaging","https:\/\/www.linkedin.com\/company\/imv-imaging\/","https:\/\/www.youtube.com\/channel\/UCM294Ky6760YOaPsiuS2-Dg","https:\/\/www.instagram.com\/imv.imaging\/"]},{"@type":"Person","@id":"https:\/\/www.imv-imaging.com\/en\/#\/schema\/person\/63da94eb21e4f3ff93e405cde1b31b26","name":"Clinical Team","image":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/www.imv-imaging.com\/en\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/a001f3bc5e533f0be8d13e6304b30cd4?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/a001f3bc5e533f0be8d13e6304b30cd4?s=96&d=mm&r=g","caption":"Clinical Team"}}]}},"_links":{"self":[{"href":"https:\/\/www.imv-imaging.com\/en\/wp-json\/wp\/v2\/posts\/87171","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.imv-imaging.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.imv-imaging.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.imv-imaging.com\/en\/wp-json\/wp\/v2\/users\/16691"}],"replies":[{"embeddable":true,"href":"https:\/\/www.imv-imaging.com\/en\/wp-json\/wp\/v2\/comments?post=87171"}],"version-history":[{"count":11,"href":"https:\/\/www.imv-imaging.com\/en\/wp-json\/wp\/v2\/posts\/87171\/revisions"}],"predecessor-version":[{"id":88034,"href":"https:\/\/www.imv-imaging.com\/en\/wp-json\/wp\/v2\/posts\/87171\/revisions\/88034"}],"wp:attachment":[{"href":"https:\/\/www.imv-imaging.com\/en\/wp-json\/wp\/v2\/media?parent=87171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.imv-imaging.com\/en\/wp-json\/wp\/v2\/categories?post=87171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}