Nuclear Imaging—The Gamma Camera

May 16, 2021 by in GENERAL RADIOLOGY Comments Off on Nuclear Imaging—The Gamma Camera

Nuclear Imaging—The Gamma Camera Nuclear imaging produces images of the distributions of radionuclides in patients. Because charged particles from radioactivity in a patient are almost entirely absorbed within the patient,…

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Radioactivity and Nuclear Transformation

May 16, 2021 by in GENERAL RADIOLOGY Comments Off on Radioactivity and Nuclear Transformation

Radioactivity and Nuclear Transformation Roentgen had discovered x-rays in early November 1895. Even in the absence of the virtually instantaneous worldwide communication networks known today, this discovery spread very quickly…

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Image Quality

May 16, 2021 by in GENERAL RADIOLOGY Comments Off on Image Quality

Image Quality The quality of medical images is related to how well they convey specific anatomical or functional information to the interpreting physician such that an accurate diagnosis can be…

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Breast Imaging: Mammography

May 16, 2021 by in GENERAL RADIOLOGY Comments Off on Breast Imaging: Mammography

Breast Imaging: Mammography Mammography is a radiographic examination that is optimized for detecting breast cancer. Breast cancer screening with mammography can catch cancers at an earlier, more treatable stage. Technological…

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Radiography

May 16, 2021 by in GENERAL RADIOLOGY Comments Off on Radiography

Radiography Radiography involves the production of a two-dimensional image from a three-dimensional object, the patient (Fig. 7-1). The procedure projects the x-ray shadows of the patient’s anatomy onto the image…

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Fluoroscopy

May 16, 2021 by in GENERAL RADIOLOGY Comments Off on Fluoroscopy

Fluoroscopy Fluoroscopy systems provide real-time or near real-time x-ray imaging of patients. Fluoroscopy systems provide the temporal resolution necessary for the operator to use image guidance for the placement of…

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X-ray Production, Tubes, and Generators

May 16, 2021 by in GENERAL RADIOLOGY Comments Off on X-ray Production, Tubes, and Generators

X-ray Production, Tubes, and Generators X-rays are produced when highly energetic electrons interact with matter, converting some or all of their kinetic energy into electromagnetic radiation. The x-ray tube insert…

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Interaction of Radiation with Matter

May 16, 2021 by in GENERAL RADIOLOGY Comments Off on Interaction of Radiation with Matter

Interaction of Radiation with Matter This chapter introduces the concepts and principles that govern x- and γ-ray photon interactions with matter and the energetic electrons those interactions set into motion….

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Medical Imaging Informatics

May 16, 2021 by in GENERAL RADIOLOGY Comments Off on Medical Imaging Informatics

Medical Imaging Informatics In healthcare, medical informatics represents the process of collecting, analyzing, storing, and communicating information (data) that is crucial to the provision and delivery of appropriate patient care…

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