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Related Concept Videos

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).
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...
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...
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:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
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,...

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Simultaneous PET/MRI Imaging During Mouse Cerebral Hypoxia-ischemia
10:35

Simultaneous PET/MRI Imaging During Mouse Cerebral Hypoxia-ischemia

Published on: September 20, 2015

PET/MRI for neurologic applications.

Ciprian Catana1, Alexander Drzezga, Wolf-Dieter Heiss

  • 1Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts 02129, USA. ccatana@nmr.mgh.harvard.edu

Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine
|November 13, 2012
PubMed
Summary
This summary is machine-generated.

Simultaneous positron emission tomography (PET) and magnetic resonance imaging (MRI) offer unique insights into brain function. This integrated approach enhances data accuracy and opens new avenues for neurological and psychiatric research and treatment.

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Multiple-mouse Neuroanatomical Magnetic Resonance Imaging
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Multiple-mouse Neuroanatomical Magnetic Resonance Imaging

Published on: February 27, 2011

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Last Updated: May 17, 2026

Simultaneous PET/MRI Imaging During Mouse Cerebral Hypoxia-ischemia
10:35

Simultaneous PET/MRI Imaging During Mouse Cerebral Hypoxia-ischemia

Published on: September 20, 2015

Multiple-mouse Neuroanatomical Magnetic Resonance Imaging
09:08

Multiple-mouse Neuroanatomical Magnetic Resonance Imaging

Published on: February 27, 2011

Area of Science:

  • Neuroimaging
  • Medical Physics
  • Radiology

Background:

  • Positron emission tomography (PET) and magnetic resonance imaging (MRI) are powerful neuroimaging techniques.
  • Each modality offers complementary information about brain structure and function.
  • Simultaneous PET/MRI acquisition enables integrated analysis of spatial and temporal data.

Purpose of the Study:

  • To review methodological advancements in simultaneous PET/MRI technology.
  • To explore the potential neurologic and psychiatric applications of integrated PET/MRI.
  • To highlight how cross-modal information enhances each imaging technique.

Main Methods:

  • Utilizing MRI data to improve PET data quantification.
  • Employing improved PET quantification to validate MRI techniques.
  • Reviewing existing literature on simultaneous PET/MRI advancements and applications.

Main Results:

  • Methodological improvements enhance the performance and information content of both PET and MRI.
  • Simultaneous acquisition allows for improved PET quantification through MRI data.
  • PET quantification can validate various MRI techniques.

Conclusions:

  • Simultaneous PET/MRI represents a significant advancement in neuroimaging.
  • This technology offers novel opportunities for research, translational studies, and clinical applications in neurology and psychiatry.
  • Integrated PET/MRI enhances diagnostic and research capabilities beyond stand-alone instruments.