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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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Related Experiment Video

Updated: Sep 2, 2025

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

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[Consideration on Animal Experiment in PET/CT].

Xiaofang Gu1, Yaqing Bao1, Liping He1

  • 1Center for Medical Device Evaluation, NMPA, Beijing, 100081.

Zhongguo Yi Liao Qi Xie Za Zhi = Chinese Journal of Medical Instrumentation
|August 5, 2022
PubMed
Summary

Animal experiments are crucial for validating Positron Emission Tomography/Computed Tomography (PET/CT) products, providing essential data for regulatory approval and demonstrating product feasibility, effectiveness, and safety.

Keywords:
PETPET/CTanimal experimentproduct reviewproduct validation

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Area of Science:

  • Medical Imaging
  • Preclinical Research

Background:

  • Positron Emission Tomography/Computed Tomography (PET/CT) imaging offers unique insights into physiological metabolic processes.
  • In vivo models are essential for comprehensive validation that in vitro or simulation models cannot replicate.

Purpose of the Study:

  • To elucidate the functions and advantages of animal experiments in the validation of PET/CT products.
  • To provide a reference for the validation and review processes of PET/CT products.

Main Methods:

  • Review of the role of animal models in PET/CT product development.
  • Analysis of research cases demonstrating the utility of animal experiments.
  • Identification of key considerations for conducting animal studies for PET/CT products.

Main Results:

  • Animal experiments provide critical data for evaluating the feasibility, effectiveness, and safety of PET/CT products.
  • Research data from animal studies can be submitted as supporting documentation for regulatory submissions (registration or alteration).

Conclusions:

  • Animal experiments are indispensable for the systematic validation of PET/CT products.
  • Understanding the functions, advantages, and considerations of animal experiments is vital for regulatory review and approval of PET/CT technologies.