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Q#2  Part 1. Imaging modalities and their specificities
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Q#2 Part 1. Imaging modalities and their specificities

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Questions and Answers

Which medical imaging technique uses X-rays for imaging and involves exposure to ionizing radiation?

  • MRI
  • Ultrasound
  • Nuclear Medicine
  • Fluoroscopy (correct)
  • Which imaging technique is known for its good resolution, 3D reconstruction, and the use of gadolinium contrast that is relatively non-toxic except for pregnant women?

  • Ultrasound
  • MRI (correct)
  • Fluoroscopy
  • CT Scan
  • What type of agent is commonly used as a contrast medium in Fluoroscopy procedures?

  • Iodine
  • Gadolinium
  • Radioactive Isotope
  • Barium (correct)
  • What is the primary imaging modality used in computed tomography (CT) scans?

    <p>X-Ray</p> Signup and view all the answers

    Which imaging technique involves the use of a rotating gantry with multiple detectors to produce slice-like images?

    <p>CT Scan</p> Signup and view all the answers

    Which imaging method does not typically require the use of ionizing radiation?

    <p>Ultrasound</p> Signup and view all the answers

    What imaging technique involves real-time imaging by continuous X-ray beams to visualize moving structures within the body?

    <p>Fluoroscopy</p> Signup and view all the answers

    What is the main difference between Single Photon Emission Computed Tomography (SPECT) and Positron Emission Tomography (PET) imaging techniques?

    <p>SPECT uses a gamma camera to acquire 2D images and reconstructs them into 3D images, while PET operates on a molecular level to produce 3D images of biochemical processes.</p> Signup and view all the answers

    How are SPECT and PET scans different from traditional X-rays or CT scans?

    <p>SPECT and PET scans provide 3D images that show the body's metabolic functions, while X-rays and CT scans show the anatomical structure.</p> Signup and view all the answers

    Why are radioisotopes such as uranium & thorium mentioned in the text in the context of nuclear medicine?

    <p>Uranium &amp; thorium are artificially produced in nuclear reactors to create radioisotopes used in medical diagnostics.</p> Signup and view all the answers

    Study Notes

    Medical Imaging Techniques

    • X-rays are used for imaging in radiography, which involves exposure to ionizing radiation.

    Magnetic Resonance Imaging (MRI)

    • MRI has good resolution, allows for 3D reconstruction, and uses gadolinium contrast, which is relatively non-toxic except for pregnant women.

    Fluoroscopy

    • Barium sulfate is commonly used as a contrast medium in fluoroscopy procedures.

    Computed Tomography (CT) Scans

    • The primary imaging modality used in CT scans is X-rays.

    CT Scan Technology

    • CT scans involve the use of a rotating gantry with multiple detectors to produce slice-like images.

    Imaging Modalities

    • Magnetic Resonance Imaging (MRI) is an imaging technique that does not typically require the use of ionizing radiation.

    Fluoroscopy Imaging

    • Fluoroscopy involves real-time imaging by continuous X-ray beams to visualize moving structures within the body.

    Nuclear Medicine

    • The main difference between Single Photon Emission Computed Tomography (SPECT) and Positron Emission Tomography (PET) imaging techniques is the type of radioactive material used.
    • SPECT and PET scans differ from traditional X-rays or CT scans in that they use radioactive materials to produce images of the body's internal functions.

    Radioisotopes in Nuclear Medicine

    • Radioisotopes such as uranium and thorium are mentioned in the context of nuclear medicine as they can be used to produce radioactive materials for diagnostic imaging.

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    Description

    Learn about the difference between conventional radiography (CT scan, Ultrasound, MRI) and Fluoroscopy, Nuclear Medicine, SPECT, and PET imaging.

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