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Results for search "MRI Scans".

05 Jun

Breast MRI versus Mammography

Breast MRI results in slightly higher cancer detection rates and more biopsies that are benign.

Health News Results - 20

Study Might Point Alzheimer's Research in Whole New Direction

A new brain scanning technique is shaking up what researchers thought they knew about Alzheimer's disease.

Researchers now say they can predict with reasonable accuracy which brain regions will wither and atrophy in Alzheimer's by identifying the places where tau protein "tangles" have built up.

"You could really predict which brain regions were going to get damaged just on ...

Does MRI Screening Benefit Women With Extremely Dense Breasts?

Health experts already know that women with extremely dense breasts don't get the same benefit from mammography as women without very dense breast tissue. But what hasn't been clear is if MRI screening might spot cancers that mammography didn't.

Now a new study from Dutch researchers found that when MRI was used in between mammography appointments, the women in the study were half as...

They Had Half Their Brains Removed. Here's What Happened After

Many people think of their brain as an overstuffed attic. Every square-inch is either crammed with information or working overtime to help the body function properly. So is it even conceivable that a person be normal with just half a brain?

Yes, apparently it is, according to a new analysis that assessed brain health among six adults who had undergone a hemispherectomy as child...

Is Head Injury Causing Dementia? MRI Might Show

When a loved one shows signs of dementia, sometimes a head injury is the cause and MRI scans can help prevent a misdiagnosis of Alzheimer's, researchers report.

As many as 21% of older adults with dementia may be misdiagnosed with Alzheimer's disease, a previous study found. Up to 40% of dementias are caused by conditions other than Alzheimer's disease, according to the Alzhei...

Brain Damage From Concussion Evident a Year Later

Concussion damage may linger a full year after an athlete returns to play, Canadian researchers report.

"Brain recovery after concussion may be a more complex and longer-lasting process than we originally thought," said lead investigator Nathan Churchill, a research associate in the Neuroscience Research Program at St. Michael's Hospital in Toronto.

After a concussion, he sa...

More CT, MRI Scans Being Used, Despite Calls to Cut Back

Despite efforts from medical groups to cut down on the overuse of CT scans and MRIs for safety reasons, their use has instead increased, a new study shows.

"Medical imaging is an important part of health care and contributes to accurate disease diagnosis and treatment, but it also can lead to patient harms such as incidental findings, overdiagnosis, anxiety and radiation exposure that...

For Seniors, 'Silent Strokes' Are Common Post-Surgery Threat: Study

Silent strokes are common in seniors who have had surgery, and may double their risk of mental decline within a year, a Canadian study reports.

While an obvious (or "overt") stroke often causes symptoms such as weakness in an arm or speech problems, a silent (or "covert") stroke is apparent only on brain scans.

The new study included more than 1,100 seniors in North and Sout...

Study Points to Harms From MRI 'Dye' in Early Pregnancy

A concerning number of U.S. women are exposed to the MRI contrast agent gadolinium early in pregnancy, a new study reveals.

In many cases, this exposure occurs before women know they're pregnant.

The researchers said their findings underscore the need for effective pregnancy screening measures before using gadolinium, which can cross the placenta and enter fetal circulation....

Scans Reveal 'Smoldering' Spots in Brains Touched by MS

"Smoldering" spots in the brains of multiple sclerosis patients may signal more aggressive and disabling forms of the disease, researchers report.

Their finding may help test the effectiveness of new treatments for these types of MS.

The investigators used specialized brain scans to examine the brains of hundreds of MS patients and identified dark-rimmed spots that represent...

More Clues to Mysterious Illness Among Staff at U.S. Embassy in Cuba

Nearly three years ago, U.S. diplomats in Cuba began experiencing hearing loss, dizziness and memory problems -- in what the Trump administration attributed to an attack of unknown origin.

Now researchers say they have detected some "alterations" in the patients' brain structure and function -- though the significance, if any, is disputed.

The findings come from 40 U.S. emba...

Is MRI Screening Worth It for Breast Cancer Survivors?

Breast MRI screening is a good way to detect small tumors, but it's unclear how much it benefits women with a history of breast cancer, a new study finds.

Right now, experts recommend that breast cancer survivors have yearly mammograms to help catch any recurrences early. An unresolved question is whether adding breast MRI to that screening is beneficial.

In the new study, r...

Tattooed and Need an MRI Scan? What You Need to Know

If you have tattoos, it's probably safe to get an MRI scan, European researchers say.

While millions of people with tattoos have MRIs every year without side effects, some adverse reactions have been reported. Researchers said there had been no systematic studies of how safe it is for people with tattoos to have an MRI.

Reported side effects include a pulling sensation on ta...

U.S. Leads Health Care Spending Among Richer Nations, But Gets Less

Higher costs, not better patient care, explain why the United States spends much more on health care than other developed countries, a new study indicates.

U.S. health care spending was $9,892 per person in 2016. That was about 25 percent more than second-place Switzerland's $7,919 and more than twice as high as Canada's $4,753, researchers found.

It was also twice what Amer...

Scans, Ultrasound Spot Zika Brain Defects

Ultrasounds and MRIs during pregnancy and after birth can detect most Zika-related brain abnormalities in infants, researchers report.

If a woman is infected with the Zika virus during pregnancy, her child can be born with microcephaly and other severe brain defects, the U.S. Centers for Disease Control and Prevention says.

The new study included 80 women in Columbia and two...

Concussion Tied to Suicide Risk

People who have experienced either a concussion or a mild traumatic brain injury are twice as likely to commit suicide than others, a new review suggests.

The analysis also indicates that men and women who have had a concussion are also more likely to consider or attempt suicide.

The investigators stressed that the absolute risk of suicide for any one concussion patient rema...

New MRI Test May Predict Severity of MS

People with multiple sclerosis (MS) often live with uncertainty because it's hard to predict how quickly the disease will progress and how disabling it might become.

But researchers hope a new MRI test that tracks iron levels in the brain will help answer those questions.

The test -- called quantitative susceptibility mapping (QSM) -- looks at different areas of the brain a...

Scans Can Tell How Long Ago a Stroke Occurred

A new MRI scanning technique can help doctors better nail down when a person has suffered a stroke and whether clot-busting drugs will help preserve their brain.

This technique could save the brains of some people who suffer "wake-up" strokes, where symptoms become apparent after they wake from a night's sleep, said lead researcher Dr. Gotz Thomalla, a neurologist with the University ...

Newer Breast MRI May Be More Accurate and Easier

A new type of MRI (magnetic resonance imaging) that doesn't use a contrast agent appears better at detecting what's really cancer and what's likely just a harmless lesion, researchers report.

In a study in Germany, the new technique reduced false-positive findings by 70 percent. The scan was also able to detect 98 percent of breast cancers correctly, the researchers said.

...

Many Patients Know Too Little About Their MRI, CT Scans: Study

Before they go in for an X-ray, CT scan or MRI, patients may have questions about their screening. But new research finds at least one in every five people saying they received no information about their procedures beforehand.

"This is an important finding in today's health care system, where we want more patient engagement and involvement," said lead author Dr. Jay Pahade, an associa...

FDA Says U.S. Will Now Produce Critical MRI Component

A long-feared shortage of a substance used in millions of medical imaging procedures each year in the United States appears to have been avoided, federal officials report.

The U.S. Food and Drug Administration announced today that it has approved a new technology to produce the country's own supply of the substance -- a radioisotope called Technetium-99m (Tc-99m). The newly approved t...

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