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Related Concept Videos

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...
Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).
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...

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Updated: May 7, 2026

Murine Fetal Echocardiography
08:04

Murine Fetal Echocardiography

Published on: February 15, 2013

Advanced MR Imaging Technologies in Fetuses.

Ye Li1, Xiaoliang Zhang

  • 1Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, USA.

OMICS Journal of Radiology
|September 27, 2013
PubMed
Summary
This summary is machine-generated.

Fetal Magnetic Resonance Imaging (MRI) requires improved hardware and faster sequences to overcome motion artifacts. Dedicated radio frequency (RF) coils and advanced imaging techniques enhance signal-to-noise ratio (SNR) and safety for fetal brain studies.

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High Frequency Ultrasound for the Analysis of Fetal and Placental Development In Vivo

Published on: November 8, 2018

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Last Updated: May 7, 2026

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High Frequency Ultrasound for the Analysis of Fetal and Placental Development In Vivo
06:43

High Frequency Ultrasound for the Analysis of Fetal and Placental Development In Vivo

Published on: November 8, 2018

Area of Science:

  • Medical Imaging
  • Neuroimaging
  • Biomedical Engineering

Background:

  • Fetal MRI is crucial for studying in vivo brain abnormalities and neurodevelopmental disabilities.
  • Current multi-echo fast imaging sequences reduce motion artifacts but compromise Signal-to-Noise Ratio (SNR) and resolution.
  • Existing radio frequency (RF) hardware lacks dedicated coils optimized for fetal imaging, impacting acquisition performance and safety.

Purpose of the Study:

  • To address the urgent need for novel hardware and fast imaging technologies in fetal MRI.
  • To improve sensitivity, safety, and reduce motion artifacts during fetal imaging.
  • To enhance the diagnostic capabilities of fetal MRI for neurodevelopmental assessments.

Main Methods:

  • Development and application of dedicated fetal RF transceiver arrays.
  • Implementation of emerging fast imaging technologies, including parallel imaging and compressed sensing.
  • Utilizing clinical MRI scanners for fetal imaging applications.

Main Results:

  • Dedicated fetal RF transceiver arrays demonstrate improvements in SNR, image coverage, and safety.
  • Fast imaging technologies show potential in increasing imaging speed.
  • Reduced motion artifacts are achievable with advanced hardware and imaging techniques.

Conclusions:

  • Novel RF hardware and advanced fast imaging techniques are essential for optimizing fetal MRI.
  • Dedicated fetal RF coils and technologies like parallel imaging and compressed sensing can significantly enhance fetal neuroimaging.
  • These advancements promise improved diagnostic accuracy and patient safety in fetal brain abnormality detection.