Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Abdominal MRI using a negative contrast agent

T Bach-Gansmo1, B Dupas, M Gayet-Delacroix

  • 1Nycomed, Oslo, Norway.

The British Journal of Radiology
|May 1, 1993
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Imaging modalities for corneal neovascularization].

Journal francais d'ophtalmologie·2026
Same author

In vivo confocal microscopy for ocular surface investigation in nephropathic cystinosis.

Journal francais d'ophtalmologie·2023
Same author

Paediatric dentist's ability to detect and diagnose dental trauma using 2D versus 3D imaging.

European archives of paediatric dentistry : official journal of the European Academy of Paediatric Dentistry·2021
Same author

[Erratum to "A 'fast track' to improve management of neovascular age related macular degeneration"].

Journal francais d'ophtalmologie·2018
Same author

[Update on recommendations for screening for hydroxychloroquine retinopathy].

Journal francais d'ophtalmologie·2017
Same author

[A "fast track" to improve management of neovascular age related macular degeneration].

Journal francais d'ophtalmologie·2017
Same journal

Machine learning models using 18F-FDG PET/CT radiomics for RAS mutation prediction and prognostic stratification in colorectal cancer.

The British journal of radiology·2026
Same journal

Predictors of Relapse in Oligometastatic Prostate Patients Receiving Stereotactic Ablative Radiotherapy.

The British journal of radiology·2026
Same journal

An Evaluation of Radiotherapy and Response in the Management of Perivascular Epithelioid Cell Tumors.

The British journal of radiology·2026
Same journal

Ensuring radiology reporting quality across a national lung cancer screening programme.

The British journal of radiology·2026
Same journal

Utility of High-Resolution Semiconductor Positron Emission Tomography/Computed Tomography in the Assessment of Breast Cancer Extent: Comparison with Magnetic Resonance Imaging.

The British journal of radiology·2026
Same journal

Airway Imaging Practices in Primary Ciliary Dyskinesia: A Global Survey to Guide Standardized Guidelines.

The British journal of radiology·2026
See all related articles

Oral magnetic particles (OMP) provide excellent bowel visualization in clinical trials. This safe negative oral contrast agent significantly improved diagnostic accuracy in 41% of patients, with minimal adverse effects observed.

Area of Science:

  • Medical Imaging
  • Gastroenterology
  • Materials Science

Background:

  • Accurate bowel visualization is crucial for diagnosing gastrointestinal conditions.
  • Traditional oral contrast agents can have limitations in distribution and artifact induction.

Purpose of the Study:

  • To evaluate the safety and efficacy of oral magnetic particles (OMP) as a negative oral contrast agent.
  • To assess OMP's contrast distribution, diagnostic effect, and artifact induction.
  • To compare the diagnostic value of pre- and post-OMP ingestion imaging series.

Main Methods:

  • A clinical trial involving 40 patients administered 0.5g of OMP in an 800ml viscous suspension.
  • OMP consists of superparamagnetic iron oxide crystals for uniform distribution.

Related Experiment Videos

  • Adverse effects, contrast distribution, effect, and artifacts were monitored for up to one week post-ingestion.

    • Main Results:

    • Only one patient experienced nausea and vomiting, indicating a favorable safety profile.
    • OMP demonstrated good contrast distribution and effect without inducing artifacts.
    • Diagnostic information was significantly enhanced post-OMP ingestion.

    Conclusions:

    • Oral magnetic particles are a safe and effective negative oral contrast agent for bowel imaging.
    • OMP greatly improves diagnostic accuracy, being essential for diagnosis in 41% of cases.
    • OMP represents a valuable tool for enhancing gastrointestinal diagnostic imaging.