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Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and the...
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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.
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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
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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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Transition from pulsed dose rate to high dose rate brachytherapy: Experience of a single centre.

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Related Experiment Video

Updated: May 13, 2026

Radiosynthesis, Quality Control, and Small Animal Positron Emission Tomography Imaging of 68Ga-Labelled Nano Molecules
09:55

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

Published on: October 4, 2024

[Radionuclides, technologies and quality control in brachytherapy].

V Marchesi1, M Gautier, N Villani

  • 1Unité de physique médicale, centre Alexis-Vautrin, avenue de Bourgogne, CS 30519, 54519 Vandœuvre-lès-Nancy cedex, France. v.marchesi@nancy.unicancer.fr

Cancer Radiotherapie : Journal De La Societe Francaise De Radiotherapie Oncologique
|March 12, 2013
PubMed
Summary

Brachytherapy involves placing radioactive sources near tumors. Modern remote afterloading techniques enhance treatment quality and safety, necessitating rigorous equipment quality control.

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Area of Science:

  • Oncology
  • Medical Physics
  • Radiotherapy

Context:

  • Brachytherapy is a cancer treatment method.
  • It involves placing radioactive sources directly within or near the tumor.
  • Treatment specifics depend on the tumor type and treatment plan.

Purpose:

  • To describe brachytherapy techniques and their evolution.
  • To highlight the role of remote afterloading technology.
  • To emphasize the need for quality control in modern brachytherapy.

Summary:

  • Brachytherapy utilizes radioactive sources placed in direct contact with the tumoral bed.
  • Modern techniques incorporate remote afterloading for improved treatment delivery, quality, and safety.
  • Technological advancements necessitate stringent quality control for equipment, including radionuclides and procedures.

Impact:

  • Enhanced understanding of brachytherapy principles and advancements.
  • Highlights the importance of quality assurance in radiation oncology.
  • Supports the safe and effective application of advanced brachytherapy techniques.