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Related Concept Videos

Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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...
Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

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
Positron Emission Tomography01:29

Positron Emission Tomography

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.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body being...
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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...
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...

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Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 4. Medical Imaging Procedures
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PET/CT imaging in infectious conditions.

Ora Israel1, Zohar Keidar

  • 1Department of Nuclear Medicine, Rambam Health Care Campus and Rappaport School of Medicine, Technion, Israel Institute of Technology, Haifa, Israel. o_israel@rambam.health.gov.il

Annals of the New York Academy of Sciences
|July 2, 2011
PubMed
Summary
This summary is machine-generated.

New aggressive pathogens cause difficult-to-manage infections, especially in diabetic patients. Fluorodeoxyglucose positron emission tomography/computed tomography (FDG PET/CT) offers advanced, noninvasive imaging for early infection detection and improved patient management.

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Area of Science:

  • Nuclear medicine
  • Infectious disease diagnostics
  • Medical imaging

Background:

  • Increasing incidence of severe infections, often complicating chronic diseases like diabetes.
  • Clinical challenges in early infection detection and management decision-making.
  • Need for precise, noninvasive diagnostic tests and effective therapies.

Purpose of the Study:

  • To review the main indications for Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography (FDG PET/CT) in diagnosing infections.
  • To present updated literature results on the efficacy of FDG PET/CT in infection management.
  • To highlight how hybrid imaging technologies are improving patient evaluation.

Main Methods:

  • Utilizing nuclear medicine procedures, specifically hybrid PET/CT and SPECT/CT technologies.
  • Focusing on FDG PET/CT as a primary tool for infection imaging.
  • Reviewing existing literature on FDG PET/CT applications in infectious processes.

Main Results:

  • FDG PET/CT provides noninvasive functional and metabolic information for early disease detection.
  • Hybrid imaging technologies like PET/CT have overcome limitations of older nuclear medicine techniques.
  • FDG PET/CT is actively redefining diagnostic workups and influencing patient management for infections.

Conclusions:

  • FDG PET/CT is a powerful tool in the evaluation of suspected or confirmed infections.
  • The technology offers significant advantages in early diagnosis and management compared to conventional methods.
  • Continued research and application of FDG PET/CT are crucial for combating infectious diseases.