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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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Positron Emission Tomography01:29

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Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
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Imaging Studies III: Computed Tomography01:27

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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Imaging Studies for Cardiovascular System V: CT01:28

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
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PET-Computed Tomography in Veterinary Medicine.

Elissa K Randall1

  • 1Department of Environmental and Radiological Health Sciences, Veterinary Teaching Hospital, Colorado State University, ACC 135, 300 West Drake Road, Fort Collins, CO 80523-1620, USA.

The Veterinary Clinics of North America. Small Animal Practice
|April 13, 2016
PubMed
Summary

Positron Emission Tomography/Computed Tomography (PET/CT) is increasingly used in veterinary medicine, particularly for cancer imaging with F-18 FDG. Understanding normal metabolic activity is crucial for accurate interpretation of PET/CT scans in animals.

Keywords:
FDGPET/CTSUVStagingVeterinary

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Area of Science:

  • Veterinary medicine
  • Medical imaging
  • Oncology

Background:

  • Positron Emission Tomography/Computed Tomography (PET/CT) is an advanced imaging technique.
  • Its application in veterinary medicine is growing, especially for diagnosing cancer.
  • Fluorine-18 fluorodeoxyglucose (F-18 FDG) is the most common radiopharmaceutical used.

Purpose of the Study:

  • To highlight the role of PET/CT in veterinary oncology.
  • To explain the mechanism of F-18 FDG in imaging.
  • To emphasize the importance of understanding normal metabolic patterns.

Main Methods:

  • Utilizing PET/CT imaging in veterinary patients.
  • Employing F-18 FDG as a radiotracer.
  • Correlating PET findings with Computed Tomography (CT) for anatomical detail.

Main Results:

  • F-18 FDG highlights areas of increased glucose metabolism, indicative of hypermetabolic activity.
  • PET/CT scans can identify many cancers due to their hypermetabolic nature.
  • Normal tissues and inflammatory sites can also exhibit hypermetabolism.

Conclusions:

  • PET/CT with F-18 FDG is a valuable tool for veterinary cancer imaging.
  • Accurate interpretation requires knowledge of normal physiological uptake.
  • Cytologic or histopathologic evaluation is essential for definitive diagnosis.