Computed Tomography Current Events

Computed Tomography Current Events, Computed Tomography News Articles.
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Family history is strong predictor of obstructive coronary artery disease using CCTA
In the largest study of its kind to date using cardiac computed tomography angiography, people with a family history of early signs of coronary artery disease are at higher risk of developing obstructive coronary artery disease and plaque in their arteries, Henry Ford Hospital researchers say. (2010-03-14)

How fat are your lab mice?
Researchers are increasingly aware that fat in some parts of the body is more harmful than fat in other places. To help determine how obesity works, scientists turn to animal models and now, they are able to visualize how much fat their lab rats are carrying and where they are storing it. The method will be published in the April issue of the Journal of Visualized Experiments. (2012-04-04)

New NIST standard reference material to help calibrate hospital CAT scanners
A new standard reference material developed at NIST is the first such measurement tool that allows hospitals to link important tissue density measurements made by CAT scans to international standards. (2013-07-24)

Safer CT scanning for children developed at the Queen Silvia Children's Hospital
A research team at the Queen Silvia Children's Hospital has developed a method that allows the lowest possible dose of radiation for children having a CT scan while still obtaining good image quality, reveals a thesis from the Sahlgrenska Academy. (2011-04-04)

Half of all patients with syncope have CT head performed with a yield of 1.2% to 3.8%
More than half of patients with syncope underwent CT head with a diagnostic yield of 1.1% to 3.8%. (2019-05-13)

COVID-19 news from Annals of Internal Medicine
In this Ideas and Opinions piece from the University of California, San Francisco and San Francisco Veterans Affairs Medical Center, the authors discuss the findings of early studies that addressed the use of chest computed tomography for the detection of COVID-19. The authors urge caution in rushing science and overinterpreting preliminary or flawed data. (2020-04-08)

Past and present of imaging modalities used for prostate cancer diagnosis
This review illustrates a perspective on prostate cancer imaging summarizing current imaging approaches with a special focus on Prostate Specific Membrane Antigen (PSMA), Bombesin (BN) and Androgen Receptor (AR) targeted imaging using Positron Emission Tomography (PET) and Single Positron Emission Computed Tomography (SPECT) based on 99mTc and other radiotracers. (2018-12-24)

4th International Congress on Electron Tomography
The 4ICET will be held Nov. 5 - 8, 2006 at Paradise Point Resort and Convention Center in San Diego. It brings together biologists, biophysicists, computer scientists, mathematicians, materials scientists and electron optical instrumentation specialists for an interdisciplinary summit to exchange ideas and approaches, advancing the methods for conducting electron tomography to address research challenges in biology. (2006-04-05)

Application of cardiac computed tomography-derived fractional flow reserve
In the current issue of Cardiovascular Innovations and Applications volume 4, issue 1, pp. 31-42(12) ; DOI https://doi.org/10.15212/CVIA.2019.0003, Talal Alzahrani, MD, Ahmed Tashkandi, MD, et al consider practical clinical applications of cardiac computed tomography‐derived fractional flow reserve. (2019-05-08)

TU Delft and MI Labs merge PET and SPECT biomedical imaging techniques and increase resolution
TU Delft and Molecular Imaging Labs (MI Labs) have succeeded in combining two forms of medical imaging techniques (microPET and microSPECT) into one piece of equipment. These techniques can be performed simultaneously and give a higher resolution than traditional microSPECT and microPET. The new device is designed for use in fundamental research into the functioning of cells and organs. It can show functional details smaller than half a millimeter. (2010-06-01)

Irregular breathing can affect accuracy of 4-D PET/CT
A study presented at SNM's 58th Annual Meeting focuses on the effect that breathing irregularities have on the accuracy of 4-D positron emission tomography (PET) scans and outlines a PET imaging method that reduces (2011-06-06)

A perioral soft tissue evaluation after orthognathic surgery
Aesthetic surgeries are performed to correct the facial appearance, which can mean that these processes can sometimes create enormous changes to the face. These surgeries are carried out on the bone but the changes will reflect on the facial appearance with time. (2018-07-03)

Dual energy computed tomography angiography in the peripheral arterial imaging
This is a systematic review of 9 studies on the diagnostic applications of dual-energy computed tomography (DECT) in peripheral arterial disease. The systematic analysis of these studies represent the first summary of studies using DECT with regard to its diagnostic value, radiation dose and contrast medium dose. (2017-01-26)

'NHS should replace traditional autopsies with non-invasive alternative'
Group chaired by University of Leicester forensic pathology expert recommends Department of Health should create national autopsy imaging service. (2012-10-26)

Imaging technology reveals intricate details of 49-million-year-old spider
Scientists have used the latest computer-imaging technology to produce stunning three-dimensional pictures of a 49-million-year-old spider trapped inside an opaque piece of fossilized amber resin. (2011-05-18)

Early results shed light on lung cancer screening advance
One in three smokers or former smokers screened for lung cancer at a baseline and one year follow-up visit using a recent advance in computed tomography tested positive according to a new study. Of those, 12 percent had lung biopsies, and 7 percent were diagnosed with lung cancer. (2004-11-22)

3D printing may help treat osteoarthritis
In a Journal of Orthopaedic Research study, scientists used 3D printing to repair bone in the joints of mini-pigs, an advance that may help to treat osteoarthritis in humans. (2019-01-24)

Research reveals insights on how ancient reptiles adapted to life in water
The world's first study into the brain anatomy of a marine reptile that lived at the same time as the dinosaurs sheds light on how the reptilian brain adapted to life in the oceans. (2015-06-15)

Complicated Hip Surgery Benefits From 3-D Models
About 200,000 Americans undergo hip replacement surgery each year according to the American Academy of Orthopaedic Surgeons. And studies suggest one in five patients will need to have their artificial hip joints replaced within 15 years due to complications. A new study at Washington University School of Medicine in St. Louis suggests that 3-D models of the pelvis work better than X-ray images in preparing surgeons to revise hip replacements. (1998-04-30)

Mini-CT scanner developed as a teaching tool
Biophysics professors at Western University in London, Canaada, have developed a CT scanner small enough to sit on a desk. Jerry Battista, Chair of the Department of Medical Biophysics at the Schulich School of Medicine & Dentistry and Kevin Jordan of the London Regional Cancer Program invented the DeskCAT Multi-slice CT Scanner as a novel and interactive way to teach CT imaging techniques to a wide range of students. (2012-03-15)

Study findings question benefit of additional imaging before cancer surgery
Among patients with a certain type of colorectal cancer with limited spread to the liver, imaging using positron emission tomography and computed tomography (CT) before surgery did not significantly change the surgical treatment of the cancer, compared with CT alone, according to a study in the May 14 issue of JAMA. (2014-05-13)

CT angiography highly accurate, multicenter trials show
Computed tomography angiography is as accurate as an invasive angiogram in detecting coronary artery disease, according to findings from the first two prospective multicenter 64-slice scanner trials. (2007-11-26)

Airway disorder among smokers associated with worse respiratory quality of life
Among current and former smokers, the presence of excessive airway collapse (in the trachea) during expiration is associated with worse respiratory quality of life, according to a study in the Feb. 2 issue of JAMA. (2016-02-02)

New computed tomography system marketed
Researchers at the Helmholtz Zentrum München - German Research Center for Environmental Health, together with the University of Oregon, have developed a new image reconstruction system for computed tomography that produces greater image quality at a lower radiation dose compared with standard systems. With the help of Ascenion GmbH, a licensing agreement has been closed with YXLON International Group Holding GmbH, the market leader in industrial X-ray and computed tomography solutions for nondestructive material testing. (2008-01-10)

Technique using CT linked with improved detection of lymph node metastasis in patients with melanoma
Preoperative 3-dimensional visualization of sentinel lymph nodes (SLNs) with a technique known as single-photon emission computed tomography/computed tomography was associated with a higher rate of detection of positive SLNs and a higher rate of disease-free survival among patients with melanoma, according to a study in the September 12 issue of JAMA. (2012-09-11)

Pediatric NEXUS head CT DI reliably guides blunt trauma imaging decisions
The Pediatric NEXUS Head Computed Tomography (CT) Decision Instrument (DI) reliably identifies blunt trauma patients who require head CT imaging and could significantly reduce the use of CT imaging. (2018-07-17)

Breath of fresh air in vasculitis research
A University of Tsukuba-led research team revealed that a single-nucleotide polymorphism in the promoter of the MUC5B gene encoding a mucin 5B confers susceptibility to interstitial lung disease (ILD) in Japanese patients suffering from antineutrophil cytoplasmic antibody-associated vasculitis (AAV). Among AAV patients, those that have ILD were 11.6 times more likely to be heterozygous for this variation as compared with AAV patients without ILD. These findings could aid in the development of therapies targeting ILD. (2019-03-12)

'Slice' scanner latest advance in early detection of heart disease
An advanced imaging technique - multislice spiral computed tomography (MSCT) - is a reliable, noninvasive way to detect blockages in the coronary arteries, according to a study in today's rapid access issue of Circulation: Journal of the American Heart Association. (2002-09-30)

SCAI Hildner Lecture highlights innovative techniques for plaque imaging
Virtual histology. Thermography. Palpography. Computed tomography. During the Society for Cardiovascular Angiography and Interventions (SCAI) 29th Annual Scientific Sessions in Chicago, Dr. Gregg W. Stone will explore these and other promising imaging techniques in a featured Hildner Lecture entitled, (2006-05-12)

Physicist Franz Pfeiffer receives 2011 Leibniz Prize
Physicist Franz Pfeiffer is one of the ten winners of the 2011 Leibniz Prize, the German Research Foundation has announced. The 38-year-old physicist, holds the Chair for Biomedical Physics at the Technische Universitaet Muenchen. The prize honors his fundamental and applied research in X-ray phase-contrast imaging, which promises significant progress toward early detection of tumors. The prize is Germany's most renowned scientific award and brings each recipient 2.5 million euros in prize money. (2010-12-02)

Lung cancer screening encouraged for smokers with a strong family history of the disease
To detect invasive lung cancer in its earliest stages, researchers urge current and former smokers who have a strong family history of the disease to take a lung function test and undergo screening with spiral computed tomography. The test is especially important should the previously diagnosed relative be young (around 50). (2006-01-01)

Time is of the essence when it comes to stroke treatment
Time is of the essence when it comes to stroke treatment. But a new image guided technique could help shift the criterion from one that is determined by how long after the start of symptoms a patient receives medical care, suggests a small US study published online in the Journal of NeuroInterventional Surgery. (2011-09-19)

Why do physicians order costly CTs? Ultrasound yields better diagnosis, safer, less costly
In a bold, eye-opening editorial in the March 2010 issue of the Journal of Ultrasound in Medicine, Harvard Professor Beryl Benacerraf, M.D., urges the medical community to use ultrasound instead of Computed Tomography as the first-line imaging test for better diagnosis capability in the evaluation of acute female pelvic and lower abdominal conditions. (2010-03-02)

Lung cancer screening rates remain very low among current and former smokers
Lung cancer screening rates remained very low and unchanged among eligible populations in 2015, despite recommendations that high risk current and former smokers be screened. (2017-02-02)

Annals of Internal Medicine tip sheet for June 21, 2011
Below is information about articles being published in the June 21 issue of Annals of Internal Medicine. The information is not intended to substitute for the full articles as sources of information. (2011-06-20)

Hopkins researchers develop new way to track migration of stem cells used to treat damaged hearts
A team of scientists from the Johns Hopkins Department of Radiology and Institute of Cell Engineering has used a non-invasive imaging technique, called SPECT/CT, to successfully trace stem cells' destinations after being injected into the body to treat animal hearts damaged by myocardial infarction, or heart attack. (2005-09-05)

3D virtual slicing of an antique violin reveals ancient varnishing methods
Italian violin-making masters of the distant past developed varnishing techniques that lent their instruments both an excellent musical tone and impressive appearance. In a new study in EPJ Plus, Giacomo Fiocco, affiliated with both Pavia and Torino Universities in Italy, and colleagues develop a non-invasive 3D-scanning approach to gain insights into the main morphological features of the overlapping finishing layers used on violins. This could help scientists rediscover the procedures employed by ancient violin masters. (2019-01-28)

Androgen receptor targeted imaging of prostate cancer as future modality for diagnosis
Future direction in prostate cancer imaging involves the development of androgen receptor based imaging using nonsteroidal antiandrogen agent for early diagnosis of prostate cancer. (2017-10-06)

New X-ray vision can reveal internal structure of objects
Scientists have developed a new kind of 'X-ray vision' that is able to peer inside an object and map the three-dimensional distribution of its nano-properties in real time. (2013-10-03)

Colorectal Cancer Spread Detected Earlier With PET Imaging
A new study led by researchers at Washington University School of Medicine in St. Louis suggests that positron emission tomography (PET) can detect additional colorectal tumors early in patients who have undergone previous surgery for the disease. PET also can reveal the extent to which the cancer has spread. (1998-07-02)

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