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Related Concept Videos

Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
Proteomics01:33

Proteomics

A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term proteomics...
¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)01:20

¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)

When proton-coupled carbon-13 spectra are simplified by a broadband proton decoupling technique, structural information about the coupled protons is lost. Distortionless enhancement by polarization transfer (DEPT) is a technique that provides information on the number of hydrogens attached to each carbon in a molecule. While the DEPT experiment utilizes complex pulse sequences, the pulse delay and flip angle are specifically manipulated. The resulting signals have different phases depending on...
Applications Of NMR In Biology01:25

Applications Of NMR In Biology

Nuclear magnetic resonance (NMR) spectroscopy is a very valuable analytical technique for researchers. It has been used for more than 50 years as an analytical tool. F. Bloch and E. Purcell formulated NMR in 1946 and won the 1952 Nobel Prize in Physics  for their work. Biological macromolecules such as proteins, nucleic acids, lipids, and organic molecules including pharmaceutical compounds, can be studied using this versatile tool that exploits the magnetic properties of certain nuclei.
The...

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Related Experiment Video

Updated: Jul 7, 2026

Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy
09:11

Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy

Published on: April 9, 2019

[Prostate MRI spectroscopy].

P Younès1, N Chemla, B Hamzé

  • 1Centre médicochirurgical Paris V, service d'imagerie médicale, 36, boulevard Saint-Marcel, 75005 Paris, France. patrickyounes@noos.fr

Annales D'Urologie
|February 12, 2008
PubMed
Summary
This summary is machine-generated.

Magnetic Resonance Imaging (MRI) spectroscopy offers a non-invasive way to detect prostate cancer markers like choline and citrate. This advanced imaging improves diagnosis accuracy, especially for patients with high PSA levels and negative biopsies.

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Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring
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Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring

Published on: December 9, 2010

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Last Updated: Jul 7, 2026

Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy
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Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring
17:16

Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring

Published on: December 9, 2010

Area of Science:

  • Biomedical Imaging
  • Metabolic Cartography
  • Oncology

Context:

  • Prostate cancer diagnosis presents challenges, particularly in cases with elevated Prostate-Specific Antigen (PSA) levels and inconclusive initial biopsies.
  • Accurate staging and detection of residual or recurrent disease are crucial for effective patient management.
  • Current diagnostic methods may have limitations in differentiating benign conditions from malignancy.

Purpose:

  • To evaluate the utility of Magnetic Resonance Imaging (MRI) spectroscopy in the diagnosis and staging of prostate cancer.
  • To explore the combined application of morphologic imaging and metabolic cartography for enhanced diagnostic accuracy.
  • To assess the role of MRI spectroscopy in identifying prostate cancer in patients with high PSA and negative biopsies, as well as in detecting post-treatment residual disease or recurrence.

Summary:

  • MRI spectroscopy utilizes active metabolites, specifically choline and citrate, as biomarkers for prostate cancer analysis.
  • The integration of morphologic imaging with metabolic cartography via MRI spectroscopy provides a novel diagnostic approach.
  • This technique demonstrates improved accuracy for local staging compared to MRI alone and aids in diagnosing residual disease or recurrence after conservative therapy.

Impact:

  • MRI spectroscopy offers a non-invasive alternative for prostate cancer detection, potentially reducing the need for repeat biopsies.
  • Enhanced diagnostic accuracy through combined imaging modalities can lead to earlier and more precise treatment planning.
  • The method holds promise for improving the management of patients with challenging diagnostic scenarios, including biochemical recurrence.