Current Medical imaging News and Events

Current Medical imaging News and Events, Medical imaging News Articles.
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Researchers develop low-cost, portable brain imaging scanner
Investigators have developed and tested a low-cost, compact, portable and low-power ''head only'' MRI scanner for brain tests. The scanner could allow for bedside brain imaging for patients or scanning in remote locations. (2020-11-24)

Recording the symphony of cellular signals that drive biology
Like a computer, cells must process information from the outside world before they respond. Scientists have now developed a powerful new way to observe the internal discussions responsible for cellular decisions. (2020-11-23)

Food, housing insecurities may delay breast cancer diagnosis
Women who experience food or housing insecurity may be at risk for undiagnosed breast cancer due to lapses in follow-up appointments, according to research being presented at the annual meeting of the Radiological Society of North America (RSNA). (2020-11-19)

RIT students discover hidden 15th-century text on medieval manuscripts
Rochester Institute of Technology students discovered lost text on 15th-century manuscript leaves using an imaging system they developed as freshmen. By using ultraviolet-fluorescence imaging, the students revealed that a manuscript leaf held in RIT's Cary Graphic Arts Collection was actually a palimpsest, a manuscript on parchment with multiple layers of writing. (2020-11-19)

Mediastinal tuberculoma mimicking malignant cardiac tumor
In a new publication from Cardiovascular Innovations and Applications; DOI https://doi.org/10.15212/CVIA.2019.0587, Yiqian Ding, Wei Li, Yanqiu Liu, Min Ye, Liangping Cheng, Donghong Liu, Hong Lin and Fengjuan Yao from The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China consider mediastinal tuberculoma mimicking malignant cardiac tumors. (2020-11-19)

New technology allows more precise view of the smallest nanoparticles
Scientists have reported a new optical imaging technology, using a glass side covered with gold nanodiscs that allows them to monitor changes in the transmission of light and determine the characteristics of nanoparticles as small as 25 nanometers in diameter. (2020-11-16)

Are diagnostic imaging studies with positive conclusions or titles published faster?
According to the American Journal of Roentgenology, positive conclusions--but not titles--were associated with a shorter time from study completion to publication, which may contribute to an overrepresentation of positive results in the imaging diagnostic test accuracy (DTA) literature. Because an inflated perception of test performance could adversely influence clinical decision making and patient care, bias reduction strategies should undergo trials by both journal editors and researchers in the imaging DTA community. (2020-11-13)

Ultracompact metalens microscopy breaks FOV constraints
As reported in Advanced Photonics, their metalens-integrated imaging device (MIID) exhibits an ultracompact architecture with a working imaging distance in the hundreds of micrometers. Using a simple image-stitching process, they are able to obtain wide-field microscope imaging with large FOV and high resolution. (2020-11-13)

A survey on artificial intelligence in chest imaging of COVID-19
Announcing a new article publication for BIO Integration journal. In this review article the authors consider the application of artificial intelligence imaging analysis methods for COVID-19 clinical diagnosis. (2020-11-11)

Luddy researchers develop framework to study brain connectivity in living organisms
A new study by IU researchers lays out a large medical analytics framework that can be used in neuroscience and neurology to study brain connectivity in living organisms. (2020-11-11)

Novel therapy approach for hyperinsulinemic hypoglycemia
A new method to treat hyperinsulinemic hypoglycemia has proven highly selective in targeting lesions and effective in slowing tumor growth, according to research published in the November issue of the Journal of Nuclear Medicine. (2020-11-08)

Review finds almost 20% of COVID-19 patients only show gastrointestinal symptoms
Almost one in five patients with COVID-19 may only show gastrointestinal symptoms, according to a review of academic studies published in the journal Abdominal Radiology. The findings of the review suggest abdominal radiologists need to remain vigilant during the pandemic while imaging patients. (2020-11-03)

Cardiac MRI contrast agents carry low risk of adverse events
Contrast agents used to improve views of the heart on MRI carry a very low risk of allergic reactions, vomiting and other acute adverse events, according to a large new study. The findings come three years after the European Union enacted new regulations on the contrast agents. (2020-10-29)

Artificial intelligence-based algorithm for the early diagnosis of Alzheimer's
In a recent study published in the Journal of Medical Imaging, scientists from Texas Tech University employed machine-learning algorithms to classify fMRI data. (2020-10-28)

New imaging technique doubles visibility of brain tumors in scans
A new three-dimensional imaging technique has been developed that greatly improves the visibility of brain tumors in magnetic resonance imaging scans. The technique will potentially enable earlier diagnosis of tumors when they are smaller and more treatable. (2020-10-28)

ASTRO highlights Winship study showing increased failure-free survival in prostate cancer
The EMPIRE-1 trial is the first randomized trial of men with prostate cancer with recurring cancer to show that treatment based on advanced molecular imaging can improve disease-free survival rates. (2020-10-23)

MRI safely performed in patients with pacemakers and ICDs
MRI examinations can be performed safely in patients with non-MR compatible cardiac devices, including those who are pacemaker-dependent or have abandoned leads, according to a new study. (2020-10-22)

Tracer molecule may improve imaging tests for brain injury
Researchers have validated a new radiolabeled molecule that can be used with imaging tests to accurately detect and characterize brain injury. (2020-10-22)

Spectral CT improves detection of early-stage coronavirus disease (COVID-19)
According to an open-access article in ARRS' American Journal of Roentgenology (AJR), the use of spectral CT with electron density imaging could improve the assessment of lung lesion extent in patients with early-stage coronavirus disease (COVID-19). (2020-10-21)

More research needed to determine safety of hip and knee steroid injections
Although frequently used to treat painful osteoarthritis of the hip and knee, intra-articular corticosteroid (IACS) injections remain controversial. Questions about whether damage to joints occurs as a result of these injections, which are performed thousands a time each day, persist. (2020-10-20)

An integrated approach to ultrasound imaging in medicine and biology
Announcing a new article publication for BIO Integration journal. In this editorial, Co-Editor-in-Chief, Pingtong Huang considers an integrated approach to ultrasound imaging in medicine and biology. (2020-10-19)

With deep learning algorithms, standard CT technology produces spectral images
In research published today in Patterns, a team of engineers from Rensselaer Polytechnic Institute demonstrate how a deep learning algorithm can be applied to a conventional computerized tomography (CT) scan in order to produce images that would typically require a higher level of imaging technology known as dual-energy CT. (2020-10-19)

Cognitive behavioral therapy normalizes brain abnormality in OCD patients
UCLA scientists and colleagues studying the effects of cognitive behavioral therapy (CBT) discovered an abnormality in the brains of people with obsessive compulsive disorder (OCD) that may help to predict who is most likely to respond to CBT. (2020-10-13)

Osteoarthritis biomarker could help 300 million people worldwide
University of South Australia researchers are a step closer to finding a new biomarker for osteoarthritis, a painful condition which affects more than 300 million people worldwide. (2020-10-11)

Pulmonary artery thrombosis a complication of radiation therapy
According to ARRS' American Journal of Roentgenology, the imaging findings of in situ pulmonary artery thrombosis (PAT) associated with radiation therapy (RT) are different from those of acute pulmonary emboli and do not appear to embolize. Due to the differences in clinical prognosis and subsequent management strategies, in situ PAT associated with RT -- which has not previously been described in the English literature -- must be distinguished from pulmonary embolism. (2020-10-09)

Cerenkov luminescence imaging identifies surgical margin status in radical prostatectomy
A new intraoperative imaging technique, Cerenkov luminescence imaging (CLI), can accurately assess surgical margins during radical prostatectomy, according to a first-in-human research published in the October issue of The Journal of Nuclear Medicine. The feasibility study showed that 68Ga-PSMA CLI can image the entire excised prostate specimen's surface to detect prostate cancer tissue at the resection margin. (2020-10-07)

Deep-brain imaging at synaptic resolution with adaptive optics 2-photon endomicroscopy
Recognizing the need for improved imaging capabilities, a group of scientists from the Hong Kong University of Science and Technology (HKUST) focused their sights on achieving brain imaging at synaptic resolution. (2020-10-06)

DECT in the ED: better diagnoses, less follow-up, more savings
According to an open-access article in ARRS' American Journal of Roentgenology (AJR), dual-energy CT (DECT) added value to routine interpretation of emergency department (ED) imaging studies by increasing radiologists' diagnostic confidence, leading to a reduction in downstream imaging and associated costs. (2020-10-02)

PLUS takes 3D ultrasound images of solids
A two-in-one technology provides 3D images of structural defects, such as those that can develop in aircraft and power plants. (2020-09-25)

Born to be wild: Fungal highways let bacteria travel in exchange for thiamine
Researchers from the University of Tsukuba have found a fungal-bacterial relationship that allows bacteria to travel along fungal highways and supply the fungus with thiamine (vitamin B1), which is essential to most organisms. Thiamine provided by the bacteria helped the fungal filaments to grow, and the highways let the bacteria travel farther than otherwise possible. Research in this area could be applied to settings ranging from fermentation to plant and human disease mechanisms. (2020-09-24)

Hypercoagulability in patients with coronavirus disease (COVID-19)
In this AJR article, 82 patients with COVID-19 who underwent abdominal ultrasound or CT were retrospectively compared with 82 patients without COVID-19 for thromboembolism and solid-organ infarction. Nine (11%) patients with COVID-19 had thromboembolic findings, with medium to large arterial thrombi in five. One patient without COVID-19 had known portal vein thrombus on CT. Thromboembolic findings occurred more frequently in patients with than without COVID-19 (p = 0.02). (2020-09-24)

Converting lateral scanning into axial focusing to speed up 3D microscopy
In optical microscopy, high-speed volumetric imaging is limited by either the slow axial scanning rate or aberrations introduced by the z-scanning mechanism. To overcome these limitations, scientists at UT Southwestern have introduced a novel optical design that transforms a lateral-scan motion into a scan in the third dimension. Their microscope realized laser focusing at a rate of 12 kHz and allowed observation of fast dynamics inside cells and the beating heart in Zebrafish embryos. (2020-09-23)

A multishot lensless camera in development could aid disease diagnosis
A new type of imaging that does not require a lens and uses reconfigurable particle-based masks to take multiple shots of an object is being developed by researchers at Penn State. The electric-field directed self-assembling mask technology is expected to have uses in lower-cost and faster disease diagnosis, the enhancement of optical microscopy, and may even lead to thinner cellphone technology. (2020-09-23)

Thin and ultra-fast photodetector sees the full spectrum
Researchers have developed the world's first photodetector that can see all shades of light, in a prototype device that radically shrinks one of the most fundamental elements of modern technology. (2020-09-22)

Photoacoustic microscopy for identifying sentinel lymph nodes of breast cancer
Tumor metastatic sentinel lymph nodes is difficult to distinguish from normal or inflamed lymph nodes (Inf-LN). Researchers designed a dual-targeting nanoparticle 5K-HA-HPPS for fluorescent/photoacoustic imaging of sentinel LN. Photoacoustic imaging showed a distinct spatial distribution of 5K-HA-HPPS among different LN statuses, which the signals were mainly distributed at the centre of T-MLN but at the periphery of normal and Inf-LNs. This ability to distinguish T-MLN has potential application value for surgeons in tumor surgery. (2020-09-22)

Researchers combine photoacoustic and fluorescence imaging in tiny package
Researchers have demonstrated a new endoscope that uniquely combines photoacoustic and fluorescent imaging in a device about the thickness of a human hair. The device could one day provide new insights into the brain by enabling blood dynamics to be measured at the same time as neuronal activity. (2020-09-21)

All-optical method sets record for ultrafast high-spatial-resolution imaging: 15 trillion frames per second
Scientists at Shenzhen University have recently developed an all-optical ultrafast imaging system with high spatial and temporal resolutions, as well as a high frame rate. Because the method is all-optical, it's free from the bottlenecks that arise from scanning with mechanical and electronic components. (2020-09-17)

PET/MRI improves lesion detection, reduces radiation exposure
A single-center observational study of more than 1,000 oncological examinations has demonstrated that positron emission tomography/magnetic resonance imaging (PET/MRI) facilitates cancer staging as well as PET/computed tomography (PET/CT) and improves lesion detectability in select cancers, potentially helping to promote fast, efficient local and whole-body staging in one step. (2020-09-17)

Researchers have developed the world's smallest ultrasound detector
Researchers at Helmholtz Zentrum M√ľnchen and the Technical University of Munich (TUM) have developed the world's smallest ultrasound detector. It is based on miniaturized photonic circuits on top of a silicon chip. With a size 100 times smaller than an average human hair, the new detector can visualize features that are much smaller than previously possible, leading to what is known as super-resolution imaging. (2020-09-16)

Imaging agent developed at Washington University spotlights inflammation
Researchers at Washington University School of Medicine in St. Louis have created a new PET imaging agent that detects signs of inflammation. Such a tracer could aid diagnosis and study of diseases ranging from cardiovascular disease to cancer to COVID-19. (2020-09-14)

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