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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.
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...
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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.
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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A Basic Positron Emission Tomography System Constructed to Locate a Radioactive Source in a Bi-dimensional Space
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Detectors in positron emission tomography.

Artem Zatcepin1, Sibylle I Ziegler2

  • 1Department of Nuclear Medicine, University Hospital, LMU Munich, Munich, Germany; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany.

Zeitschrift Fur Medizinische Physik
|October 8, 2022
PubMed
Summary
This summary is machine-generated.

Positron emission tomography (PET) uses detectors to create sensitive molecular images. This review explores various PET detector technologies for medical and research applications.

Keywords:
Avalanche photodiodePET detectorsPhotomultiplier tubesPositron emission tomography (PET)Silicon photomultiplier

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Area of Science:

  • Medical imaging
  • Nuclear medicine
  • Physics

Background:

  • Positron emission tomography (PET) is a sensitive molecular imaging technique.
  • PET relies on detecting coincident annihilation photons from positron decay.
  • Current PET detectors utilize dense, fast, luminous scintillators coupled to light sensors.

Purpose of the Study:

  • To review diverse detector concepts for PET systems.
  • To cover technologies for both clinical and preclinical applications.

Main Methods:

  • Literature review of PET detector technologies.
  • Analysis of scintillator and light sensor principles.

Main Results:

  • Detailed overview of various scintillator materials and light sensor types.
  • Discussion of design considerations for optimal PET detector performance.

Conclusions:

  • Detector technology is crucial for advancing PET imaging sensitivity and resolution.
  • Ongoing innovation in detector design promises improved clinical and preclinical PET systems.