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Related Concept Videos

Positron Emission Tomography01:29

Positron Emission Tomography

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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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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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Brain Imaging01:14

Brain Imaging

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Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
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New Horizons in Brain PET Instrumentation.

Magdelena S Allen1, Michele Scipioni2, Ciprian Catana2

  • 1Department of Radiology, A. A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital; Department of Physics, Massachusetts Institute of Technology.

PET Clinics
|October 8, 2023
PubMed
Summary

Dedicated brain PET scanners offer improved sensitivity and resolution at a lower cost than whole-body systems. Recent detector advancements have led to new standalone PET, PET/CT, and PET/MR systems for clinical and research use.

Keywords:
Brain PETHigh sensitivityHigh spatial resolutionMultimodal imagingNeuroimagingPositron emission tomography

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Area of Science:

  • Medical Imaging
  • Nuclear Medicine
  • Biomedical Engineering

Background:

  • Whole-body Positron Emission Tomography (PET) systems are widely used but have limitations in dedicated brain imaging.
  • There is a need for cost-effective, high-performance PET imaging solutions tailored for neurological applications.

Purpose of the Study:

  • To review the features and capabilities of dedicated brain PET scanners.
  • To highlight advancements in detector technology driving new PET system development.
  • To discuss the potential of standalone PET, PET/CT, and PET/MR systems in clinical and research settings.

Main Methods:

  • Review of recent advancements in PET detector technology.
  • Analysis of features and capabilities of commercially available or emerging dedicated brain PET systems.
  • Comparison of dedicated brain PET systems with existing whole-body PET scanners.

Main Results:

  • Dedicated brain PET scanners demonstrate optimized high sensitivity and spatial resolution for brain imaging.
  • New standalone PET, PET/CT, and PET/MR systems are becoming available due to technological progress.
  • These systems offer potential for reduced production and installation costs.

Conclusions:

  • Dedicated brain PET scanners represent a significant advancement for neurological imaging.
  • Emerging PET technologies promise wider accessibility in clinical and research environments.
  • The reviewed systems are poised to enhance the study and diagnosis of brain disorders.