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Related Concept Videos

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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.
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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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Nuclear transmutation is the conversion of one nuclide into another. It can occur by the radioactive decay of a nucleus, or the reaction of a nucleus with another particle. The first manmade nucleus was produced in Ernest Rutherford’s laboratory in 1919 by a transmutation reaction, the bombardment of one type of nuclei with other nuclei or with neutrons. Rutherford bombarded nitrogen-14 atoms with high-speed α particles from a natural radioactive isotope of radium and observed...
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In the early 1900s, English chemist Frederick Soddy realized that an element could have atoms with different masses that were chemically indistinguishable. These different types are called isotopes — atoms of the same element that differ in mass. Isotopes differ in mass because they have different numbers of neutrons but are chemically identical because they have the same number of protons. Soddy was awarded the Nobel Prize in Chemistry in 1921 for this discovery.
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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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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

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Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
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Updated: May 31, 2025

Radiosynthesis, Quality Control, and Small Animal Positron Emission Tomography Imaging of 68Ga-Labelled Nano Molecules
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Green Nuclear Medicine and Radiotheranostics.

Patrick Veit-Haibach1, Ken Herrmann2,3, Richard Zimmermann4

  • 1Joint Department of Medical Imaging, University Medical Imaging Toronto, University Health Network, Mount Sinai Hospital and Women's College Hospital, University of Toronto, Toronto, Ontario, Canada; patrick.veit-haibach@uhn.ca.

Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine
|January 23, 2025
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Summary
This summary is machine-generated.

The growing use of radiopharmaceuticals in nuclear medicine therapies presents environmental challenges. This analysis explores potential impacts and mitigation strategies across the supply chain to promote sustainable practices.

Keywords:
green nuclear medicinehealth economicsmolecular imagingradionuclide therapyradiopharmaceuticalsradiotheranostics

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Area of Science:

  • Nuclear medicine
  • Environmental science
  • Radiopharmaceutical production

Background:

  • Increasing demand for diagnostic and therapeutic radiopharmaceuticals.
  • Anticipated rise in nuclear medicine therapies necessitates environmental impact assessment.
  • Current practices may not account for the full environmental footprint.

Purpose of the Study:

  • To identify environmental impacts associated with radiopharmaceutical production and use.
  • To propose mitigation measures for reducing the environmental footprint of nuclear medicine.
  • To foster discussion within the nuclear medicine community regarding sustainability.

Main Methods:

  • Review of the radiopharmaceutical supply chain, from isotope production to waste handling.
  • Analysis of energy consumption and transportation logistics.
  • Comparison of local versus centralized production models.
  • Evaluation of radiopharmaceutical procedures against other medical imaging tests.

Main Results:

  • Identified key impact areas including isotope production, energy supply, transportation, and waste management.
  • Discussed potential environmental benefits and drawbacks of different production and usage strategies.
  • Highlighted the need for adaptation of injected radiopharmaceutical amounts in clinical settings.

Conclusions:

  • The expansion of nuclear medicine therapies requires proactive environmental management.
  • Implementation of sustainable measures across the supply chain is crucial.
  • Increased awareness and discussion are needed to minimize the environmental impact of radiopharmaceuticals.