Sentences with phrase «ct scans»

«This study draws attention to the common consensus that the use of low - dose CT scans for image guidance for children is important for quality treatment and to ensure treatment accuracy,» said Stephanie A. Terezakis, MD, co-author of the study and assistant professor of radiation oncology and molecular radiation sciences at Johns Hopkins Sidney Kimmel Comprehensive Cancer Center in Baltimore.

Patients get lined up with IVs and catheters, undergo CT scans and X-rays, and then hit the operating table — the hospital's best time is 18 minutes.

There, researchers performed CT scans of the whales» heads and reconstructed 3D models of their brains (inset) to better understand their hearing architecture.

So it came as quite a shock when scientists at five Boston - area biomedical institutes studied thousands of archived PET / CT scans and found deposits of brown fat around the neck and collarbone in about 5 percent of the people examined.

Follow - up PET / CT scans and biopsies then confirmed that the fat was indeed present.

The team also made a model for S. melilutra, using CT scans of fossils as a guide.

Though the optimal scenario is actually estimated to catch fewer lung cancers than the criteria used in the National Lung Screening Trial (NLST) in the US, the authors predict this more stringent scenario would require fewer CT scans, and lead to fewer false positive screens and lung cancer overdiagnosis, which can lead to patient harm.

Professor Brightling said: «A unique feature of this study was how it included measurements of symptoms, lung function using breathing tests, sampling of the airway wall and CT scans of the chest to give a complete picture of how the new drug works.

Of 191 workers with available CT scans, 53 percent had asbestos - related changes of the tissue lining the lungs (pleura), while 13 percent had changes of the lung substance (parenchyma).

MRI is ideal for medical imaging because it's milder than techniques like CT scans or X-rays since it's not as invasive and does not rely on ionizing radiation.

All participants received a first clinical diagnosis based on lung function tests and all other necessary additional tests (such as CT scans, electrocardiogram, etc.).

Software technology gives us the GPS in our mobile devices, CT scans that provide early health diagnostics, and other wonders, but circumscribing such technologies in a patent is difficult.

The VSE system combines that interface with a set of detailed CT scans, taken before the operation, to create a digital «body double» of the patient.

Of further significance is that the teeth of both Protarctos individuals show signs of well - developed dental cavities, which were identified following CT scans by Stuart White, a retired professor with the UCLA School of Dentistry.

Engineers used CT scans to 3 - D - print custom - made models of the hip joint, which allowed a physician to practice before each surgery.

Dr. El Khoudary and her team evaluated clinical data, including blood samples and heart CT scans, on 456 women from Pittsburgh and Chicago enrolled in the Study of Women's Health Across the Nation (SWAN).

Finally, using CT scans, scientists identified tattered remnants of West's military sash, the silver bullion fringe and spangle décor still intact.

In a study at University College London Hospitals, researchers analysed baseline PET - CT scans — ie those taken before treatment — and then followed up with the patients for an average of three years later.

While traditional medical X-rays detect only four densities in an image (corresponding to fat, water, gas, and bone), CT scans can identify hundreds of levels of density, readily distinguishing a fossil from its surrounding blanket of rock.

Using CT scans, scientists were able to see inside the little box, revealing holy relics that pointed to Archer's potentially secret Catholic faith, hinting at a possible religious power struggle during this time.

«CT scans provide evidence of atherosclerosis in wide range of ancient populations.»

«Even before the patient completes all of the MRIs, CT scans and other imaging procedures following diagnosis, we can have a recommendation for which drug and dosage to prescribe,» said Kareem Azab, PhD, an assistant professor of radiation oncology at the School of Medicine and the Siteman Cancer Center member who leads the research.

He says he is documenting the size of the bees» brains in CT scans, and he strongly expects to find shrinkage in the areas used for short - term odor memory and navigation.

Using an automated software known as RAPID to analyze perfusion MRI or CT scans, the DEFUSE 3 researchers identified patients thought to have salvageable tissue up to 16 hours after stroke onset.

The incidence of kidney cancer in the United States has been increasing for two decades, with the trend partly attributed to the introduction of abdominal imaging studies such as CT scans or MRIs in the 1980's.

The finding, reported online today in Current Biology, comes from CT scans of several more - complete skulls of the species (artist's concept, above) also unearthed on Kenya's Rusinga Island, a near - shore landmass in the northeastern corner of Africa's Lake Victoria.

CT scans helped explain how the wings can be both strong enough to hold the insects aloft and easily foldable into a tiny package.

In the last few years, cutting - edge CT scans and other novel techniques have dramatically altered how paleontologists visualize and study ancient life.

Using CT scans, the scientists painstakingly mapped the affected brain regions of each participant, then pooled the data to build a collective map of the brain.

«Our study suggests that in the emergency room, stress testing and CT scans are unnecessary for evaluating chest pain in possible heart attack patients,» said cardiologist and senior author David L. Brown, MD, a professor of medicine.

«It's important to keep in mind that CT scans and stress tests are used to diagnose coronary disease — whether someone has plaque in the arteries,» Brown said.

«Aggressive testing provides no benefit to patients in ER with chest pain: CT scans, cardiac stress tests don't help in ruling out heart attack.»

By using CT scans to measure the lung density of patients in the trial, the researchers were able to overcome some of the challenges that have been associated with studying the effectiveness of the treatment.

Their argument was backed up this year by CT scans by Penn State's Karol Galik, a mechanical engineer, and Robert Eckhardt, an evolutionary biologist.

CT scans are expensive, however, and many patients suspected of having traumatic brain injuries do not exhibit signs of visible damage when scanned.

CT scans of a unique 3D fossil offers the first look inside one of these strange creatures from before the dawn of true animals.

The primary outcome was aortic inflammation, as measured by 18 - FDG - PET / CT scans — an imaging technique that reveals inflammation in the aorta.

It is also using CT scans from more than 200 patients with kidney cancer to see if the thickness and density of those renal fat deposits are a better measure of obesity than BMI.

Joseph Fins, a professor of medicine and medical ethics at Weill Cornell Medical Center, applauds the approval and says, «This test is an advance for triaging CT scans.»

The two representatives refer to a controversy over the use of CT scans to detect lung cancer in which scientists on both sides of a debate about the usefulness of this technology were accused of having conflicts of interest.

Often such damage is invisible on CT scans, which use X-rays to visualize blockages, bleeds, tumors and skull fractures.

CT scans and end...

The first - of - its - kind imaging software reduced overall radiation exposure from CT scans by 37 percent, according to two new studies published online today in the journal Radiology.

«Unfortunately, healthcare providers including physicians, radiologists, and medical imaging technologists are often not aware of radiation doses for common CT scans,» concluded Dr. Leswick.

For example, using CT scans instead of published photos, Falk finds that the hobbits» pituitary fossa is no larger than usual.

This imaging works in a similar way to CT scans that are used in hospitals.

While CT scans can be a lifesaving diagnostic tool, they also present a potential danger if they are overused or incorrectly implemented.

Copper shows up as blue, iron as magenta and the CT scans as green.

«Health - care providers do not fully understand cancer risk from CT scans: Knowledge of radiation dose, associated risks varies among referring physicians, radiologists, and technicians, according to a new study.»

He has found that in US hospital regions with high rates of CT scans — which are typically ordered to check the lungs and abdomen — many more kidneys are removed.