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Related Concept Videos

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...
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...
Nuclear Transmutation03:20

Nuclear Transmutation

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 protons being...
Nuclear Magnetic Resonance (NMR): Overview01:07

Nuclear Magnetic Resonance (NMR): Overview

Nuclear magnetic resonance (NMR) is a phenomenon exhibited by certain nuclei that can absorb characteristic radio frequency radiation under certain conditions. NMR has been extensively applied in molecular spectroscopy and medical diagnostic imaging. In both these applications, the molecule or subject under study is placed in a magnetic field and irradiated with radio frequency energy.
NMR spectroscopy generates a spectrum where the characteristic absorption frequencies of the sample are...
Isotopes and Radioisotopes01:28

Isotopes and Radioisotopes

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.
An isotope containing more...

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

A S Belzberg

    Canadian Family Physician Medecin De Famille Canadien
    |January 27, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Nuclear medicine uses radioisotopes for disease diagnosis and treatment. It offers unique physiologic insights rather than detailed anatomical images.

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    Area of Science:

    • Medical imaging
    • Radiochemistry
    • Nuclear physics

    Background:

    • Nuclear medicine is a key diagnostic and therapeutic medical specialty.
    • It employs radioisotopes to visualize and quantify biological processes.
    • Modern instrumentation enhances imaging capabilities for various organs.

    Purpose of the Study:

    • To highlight the diagnostic and therapeutic applications of nuclear medicine.
    • To emphasize the functional information derived from radioisotope imaging.
    • To differentiate nuclear medicine's strengths from purely anatomical imaging techniques.

    Main Methods:

    • Utilizing radioisotopes for targeted imaging.
    • Employing advanced instrumentation for data acquisition.
    • Analyzing quantitative data from radioisotope accumulation.

    Main Results:

    • Successful imaging of radioisotope accumulation in organs.
    • Generation of quantitative data for clinical assessment.
    • Demonstration of unique physiological information.

    Conclusions:

    • Nuclear medicine provides crucial physiological data for disease management.
    • Radioisotope imaging offers functional insights superior to purely anatomical methods.
    • The technique is valuable for both diagnosis and treatment planning.