Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is the gold standard imaging modality for soft tissues. It produces detail cross-sectional images of soft tissue and bone anatomy, including muscles, tendons, ligaments, brain and organs, without the use of ionizing radiation. In addition to orthopedic imaging, MRI is also used for heart, brain and breast. MRI uses gadolinium contrast in many exams to highlight tissues and blood vessels, which enhances images and offers better diagnostic quality. It can also be used in conjunction with PET scans. How does MRI work? MR creates images by using powerful magnets to polarize hydrogen atoms in water (the body is made of of more than 80% water) so they face in one direction. A radiofrequency pulse is then used to ping these atoms, causing them to wobble, or resonate. The MRI coils detect this and computers can assemble images from the signals. Basic MRI scans will focus on the resonance of fat and water in two different sequences, which highlight and contrast different features in the anatomy.

Mammography workstation at Georgia Regents Medical Center

Diffusion-weighted MRI shows potential for finding cancers in patients with dense breasts

Researchers believe diffusion-weighted MRI (DWI) has potential as a “rapid supplemental screening tool,” according to a study published in the American Journal of Roentgenology. Their findings show that DWI can help radiologists see mammographically occult cancers in at-risk women with dense breasts.

July 8, 2016

Mayo Clinic, GE create compact brain MRI device

Mayo Clinic and General Electric are releasing a new MRI scanner next week that specializes in brain scans and improves the patient experience. 

June 23, 2016

New MRI analysis technique improves prostate cancer screening

A new study in Radiology found that a new method of MRI analysis can help predict just how severe prostate cancer may be, even before surgery allows for a physical look at the cancer.

June 21, 2016

ARRS to Host Abdominal and Pelvic MR Imaging Symposium in Baltimore

Leesburg, VA, June 15, 2016— ARRS, working in conjunction with its members, will hold the 2016 ARRS Abdominal and Pelvic MR Imaging Symposium Sept. 30–Oct. 1, 2016, at the Renaissance Baltimore Harborplace Hotel in downtown Baltimore. 

June 16, 2016

2016 ARRS Abdominal and Pelvic MR Imaging Symposium coming to Baltimore in September

The American Roentgen Ray Society (ARRS) previewed its 2016 ARRS Abdominal and Pelvic MR Imaging Symposium earlier this week. The symposium will be held at the Renaissance Baltimore Harborplace Hotel in Baltimore, Md., from Sept. 30 to Oct. 1, 2016.  

June 15, 2016

UCSF exhibit offers visitors a look at MRI history

The University of California, San Francisco (UCSF) library is now offering a sneak peek of its new Radiologic Imaging Laboratory (RIL) exhibit. 

June 6, 2016

Smart Choice MRI gains new $7 million investment

Smart Choice MRI, a Wisconsin-based healthcare provider known for providing MRIs for an all-inclusive fee of $600 or less, has received a $7 million investment from health system Edward-Elmhurst Health. 

May 16, 2016

Raymond V. Damadian, inventor of the MRI, to speak on May 17

Raymond V. Damadian, MD, inventor of the MRI, is scheduled to speak at the University of Buffalo in Buffalo, N.Y., on May 17. 

May 13, 2016

Around the web

"This was an unneeded burden, which was solely adding to the administrative hassles of medicine," said American Society of Nuclear Cardiology President Larry Phillips.

SCAI and four other major healthcare organizations signed a joint letter in support of intravascular ultrasound. 

The newly approved AI models are designed to improve the detection of pulmonary embolisms and strokes in patients who undergo CT scans.

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