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  2. Medical open network for AI - Wikipedia

    en.wikipedia.org/wiki/Medical_open_network_for_AI

    Medical imaging has evolved, driven by technological advancements and scientific understanding. Today, it encompasses modalities such as X-ray, Computed Tomography (CT), Magnetic Resonance Imaging (MRI), ultrasound, nuclear medicine, and digital pathology, each offering capabilities and insights into human anatomy and pathology. [6]

  3. Full-body CT scan - Wikipedia

    en.wikipedia.org/wiki/Full-body_CT_scan

    As with any test that screens for disease, the risks of full-body CT scans need to be weighed against the benefit of identifying a treatable disease at an early stage. [6] An alternative to a full-body CT scan may be Magnetic resonance imaging (MRI) scans. MRI scans are generally more expensive than CT but do not expose the patient to ionizing ...

  4. CT scan - Wikipedia

    en.wikipedia.org/wiki/CT_scan

    This makes CT scan the most appropriate term, which is used by radiologists in common vernacular as well as in textbooks and scientific papers. [218] [219] [220] In Medical Subject Headings (MeSH), computed axial tomography was used from 1977 to 1979, but the current indexing explicitly includes X-ray in the title. [221]

  5. Operation of computed tomography - Wikipedia

    en.wikipedia.org/wiki/Operation_of_computed...

    In conventional CT machines, an X-ray tube and detector are physically rotated behind a circular shroud (see the image above right). An alternative, short lived design, known as electron beam tomography (EBT), used electromagnetic deflection of an electron beam within a very large conical X-ray tube and a stationary array of detectors to achieve very high temporal resolution, for imaging of ...

  6. Medical imaging - Wikipedia

    en.wikipedia.org/wiki/Medical_imaging

    A dual detector head gamma camera combined with a CT scanner, which provides localization of functional SPECT data, is termed a SPECT-CT camera, and has shown utility in advancing the field of molecular imaging. In most other medical imaging modalities, energy is passed through the body and the reaction or result is read by detectors.

  7. Digital autopsy - Wikipedia

    en.wikipedia.org/wiki/Digital_autopsy

    A digital autopsy is a non-invasive autopsy in which digital imaging technology, such as with computerized tomography (CT) or magnetic resonance imaging (MRI) scans, is used to develop three-dimensional images for a virtual exploration of a human body. Digital autopsy, simply, means conducting autopsy in computerized environment by digital tools.

  8. Iterative reconstruction - Wikipedia

    en.wikipedia.org/wiki/Iterative_reconstruction

    CT scan using iterative reconstruction (left) versus filtered backprojection (right) The reconstruction of an image from the acquired data is an inverse problem.Often, it is not possible to exactly solve the inverse problem directly.

  9. Electron beam computed tomography - Wikipedia

    en.wikipedia.org/wiki/Electron_beam_computed...

    Electron beam computed tomography (EBCT) is a fifth generation computed tomography (CT) scanner in which the X-ray tube is not mechanically spun in order to rotate the source of X-ray photons. This different design was explicitly developed to better image heart structures that never stop moving, performing a complete cycle of movement with each ...

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