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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...
Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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...
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
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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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[Current developments in SPECT/CT systems using 99mTc-radiopharmaceuticals].

Guillermina Ferro-Flores1, Consuelo Arteaga de Murphy

  • 1Instituto Nacional de Investigaciones Nucleares.

Revista De Investigacion Clinica; Organo Del Hospital De Enfermedades De La Nutricion
|February 14, 2008
PubMed
Summary

Single Photon Emission Computed Tomography/Computed Tomography (SPECT/CT) systems enhance nuclear medicine diagnostics. Technetium-99m radiopharmaceuticals combined with advanced SPECT/CT technology improve disease understanding and treatment response assessment.

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Preparation and Evaluation of 99mTc-labeled Tridentate Chelates for Pre-targeting Using Bioorthogonal Chemistry
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Preparation and Evaluation of 99mTc-labeled Tridentate Chelates for Pre-targeting Using Bioorthogonal Chemistry
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Preparation and Evaluation of 99mTc-labeled Tridentate Chelates for Pre-targeting Using Bioorthogonal Chemistry

Published on: February 4, 2017

Area of Science:

  • Nuclear Medicine
  • Radiopharmacy
  • Medical Imaging

Background:

  • Nuclear medicine relies on radiation safety, radiopharmaceuticals, and equipment.
  • Molecular radiopharmacy focuses on developing novel peptide and receptor-targeting agents.
  • Technetium-99m (99mTc) radiopharmaceuticals provide crucial clinical and molecular data in endocrinology, oncology, and cardiology.

Purpose of the Study:

  • To review the current status and future directions of SPECT/CT systems in clinical nuclear medicine.
  • To highlight the use of technetium-99m radiopharmaceuticals within these systems.
  • To emphasize the role of SPECT/CT in advancing diagnostic accuracy and understanding disease mechanisms.

Main Methods:

  • Utilizes crystal scintillation detector gamma cameras for organ function imaging.
  • Integrates SPECT with X-ray Computed Tomography (CT) to create hybrid SPECT/CT systems.
  • Employs computer algorithms and software for image acquisition, processing, and 3D fusion of functional and anatomical data.

Main Results:

  • SPECT/CT systems offer significant improvements over traditional gamma cameras, especially with new semiconductor detectors.
  • Fused SPECT/CT images provide comprehensive 3D visualization of organ function and anatomy.
  • These hybrid systems are highly valuable across diverse medical fields and preclinical research.

Conclusions:

  • SPECT/CT systems represent a major advancement in nuclear medicine imaging.
  • The fusion of molecular imaging tools with SPECT/CT technology enhances diagnostic precision.
  • Future developments will further improve the understanding of disease pathophysiology and therapeutic responses.