Search for: "photons" - 143 articles found

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Real-time radiation plans, X-core MRI

Significant advances in medical physics

To target ionised radiation as precisely as possible, imaging a tumour is vital in radiotherapy planning. ‘Today, imaging is used increasingly during the therapy itself,’ explained Professor Mark Ladd, Head of Medical Physics in the Department of Radiology at the German Cancer Research Centre (DKFZ) in Heidelberg, Germany, and President of the German Society for Medical Physics (DGMP), during…

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Improving imaging

Light up diseases with 'photonic lanterns'

Researchers at Heriot-Watt University have developed a new technique that will allow medical professionals to see disease deep inside the human body in 10 times more detail. Professor Robert Thomson and his team want to improve endoscopies, when long, thin optical fibres are used to look inside the body. The new technique will open up a route to unprecedented imaging resolution, says Thomson, and…

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Information Technology

Hamamatsu Photonics – NDP.serve3 Image Server Software

Highlights:NDP.serve3 is the image distribution software that efficiently distributes large-volume whole slide images scanned by NanoZoomer series via the Internet and/or Intranet. Access authorities to the image database can be managed. It enables many people to access the database at the same time and supports a wide range of applications, such as image obser vation from a remote location and…

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Scanner

Hamamatsu Photonics – NanoZoomer S60

Highlights:The NanoZoomer S60 delivers the perfect combination of flexibility, excellent image quality and high speed scanning. It scans double size slides or standard size slides and supports brightfield and fluorescence imaging.Scanning Speed:20x mode (15 × 15 mm) approx. 60 s 40x mode (15 × 15 mm) approx. 150 s Capacity: 60 standard slides, 30 double size…

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Scanner

Hamamatsu Photonics – NanoZoomer S210

Highlights:The NanoZoomer S210 is our standard model with a reasonable price and excellent cost performance. It has been well balanced among throughput, scanning speed, and price, and boasts the highest sales performance since its launch.Scanning Speed:20x mode (15 × 15 mm) approx. 60 s 40x mode (15 × 15 mm) approx. 150 s Capacity: 210 standard slidesBarcode Reader:1D barcode,…

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Scanner

Hamamatsu Photonics – NanoZoomer S360

Highlights:The NanoZoomer S360, our high end model, delivers exceptional scanning speed for clinical routine. It scans up to 360 slides automatically in one batch. Scanning Speed:20x mode (15 × 15 mm) approx. 30 s 40x mode (15 × 15 mm)  approx. 30 s Capacity:360 standard slides Check focus defects in scanned images at a glanceBarcode Reader: 1D barcode, 2D barcode…

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Tiny chip, huge benefits

Researchers develop the world’s smallest ultrasound detector

Researchers at Helmholtz Zentrum München 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…

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Histology/cytology equipment

Optimise pathology workflow with Hamamatsu whole slide imaging solutions

Hamamatsu Photonics understand the benefits and challenges of whole slide imaging systems. For over 15 years, we have been working to deliver robust and reliable scanners with optimal image quality. Our NanoZoomer whole slide scanner series quickly transform entire histology and cytology glass slides into diagnostic-quality digital images for duplication, annotation, storage, retrieval, and image…

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Memory formation

Unlocking the mysteries of the brain

A Canadian research team highlights the mechanisms underlying memory and learning capacity – specifically, how our brains process, store and integrate information. How does our brain store information? Seeking an answer, researchers at CHU Sainte-Justine Hospital and Université de Montréal have made a major discovery in understanding the mechanisms underlying learning and memory formation.…

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3D microprinted scope

World’s smallest imaging device focuses on heart disease

A team of researchers led by the University of Adelaide and University of Stuttgart has used 3D micro-printing to develop the world’s smallest, flexible scope for looking inside blood vessels. The camera-like imaging device can be inserted into blood vessels to provide high quality 3D images to help scientists better understand the causes of heart attack and heart disease progression, and could…

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Goodbye to grayscale

Dual Energy CT – seeing x-rays with colors

Computed tomography (CT) is one of the most important imaging options for the diagnostics of patients. For a long time, in clinical routine CT technology mostly showed the Hounsfield Units (HU) that are indicated in the grayscale. However, the Dual Energy CT (DECT) enables colored X-ray images, therefore significantly improving examination methods. “We can also do material separation and get a…

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Pathology informatics event

Panel Discussion on the use of digital pathology for remote diagnosis

Hamamatsu Photonics invites you to join us for a panel discussion with pathologist Matthew Hanna, MD and IT Manager Nikolas Stathonikos on Thursday, 9 July at 17:00 CET. In this rapidly evolving healthcare landscape triggered by COVID-19, pathology, and remote diagnosis have been elevated to critical topics. These two experts, representing both the clinical and information technology areas, will…

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Neurodegeneration

Alzheimer research: Noise-inducing neurons shut down memories

Neurons that are responsible for new experiences interfere with the signals of neurons that contain memories and thereby disturb the recall of memories – at least in mice. The research group of Martin Fuhrmann of the German Center for Neurodegenerative Diseases (DZNE) reports this phenomenon in the scientific journal “Nature Neuroscience“. The results of this study potentially shed new…

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Mammo CT

AB-CT – Advanced Breast-CT – nu:view

Pixel size: 100 µmScan time: 7-12 sDetector type: Direct convertingHighlightsLeading edge breast CT system for a revolutionary breast imaging experience • Real 3D images with high isotropic resolution (voxel size: 150 μm) • Superimposition-free, superb soft tissue differentiation • Low dose in the range of mammograms • Excellent patient comfort…

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Mammo CT

AB-CT – Advanced Breast-CT – nu:view

Pixel size: 100 µmScan time: 7-12 sDetector type: Direct convertingHighlightsLeading edge breast CT system for a revolutionary breast imaging experience • Real 3D images with high isotropic resolution (voxel size: 150 μm) • Superimposition-free, superb soft tissue differentiation • Low dose in the range of mammograms • Excellent patient comfort…

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"SOLUS" imaging project

Breast screening breakthrough to end unnecessary biopsies

Scientists from the project SOLUS (Smart optical and ultrasound diagnostics of breast cancer) under the EU funding framework programme Horizon2020 have developed a non-invasive, multi-modal, imaging system that uses ultrasound and light technologies to easily differentiate between benign or malignant lesions – without having to perform a biopsy. Similar to a pregnancy ultrasound appointment, a…

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Chronobiology in colour

Will blue light ruin your sleep? Not necessarily

Contrary to common belief, blue light may not be as disruptive to our sleep patterns as originally thought – according to University of Manchester scientists. According to the team, using dim, cooler, lights in the evening and bright warmer lights in the day may be more beneficial to our health. Twilight is both dimmer and bluer than daylight, they say, and the body clock uses both of those…

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Non-alcoholic fatty liver disease

3D model of human liver tissue for better NAFLD diagnosis

Non-alcoholic fatty liver disease (NAFLD) is becoming the most common chronic liver disorder in developed countries. Histological analysis of liver tissue is the only widely accepted test for diagnosing and distinguishing different stages of NAFLD. However, this technique provides only two-dimensional images of the liver tissue in low resolution and overlooks potentially important 3D structural…

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Non-invasive testing

Laser sensor to analyse blood without needles

A photonics tech company from Vilnius are on their path to solve the 50-year-old task of making non-invasive blood analysis possible. With the help of a unique broadband laser-based sensor, the scientists and engineers at Brolis Sensor Technology are able to remotely sense concentration level of main critical blood constituents such as lactate, glucose, urea, ketones or ethanol without drawing…

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Macular degeneration as a biomarker

Eye scan shows diseases at an early stage

More and more people aged 50 and over are suffering from age-related vision disorders. According to the World Health Organization, in four out of five cases they could be avoided if they were diagnosed at an early stage. A European team of scientists, including the Leibniz Institute of Photonic Technology (Leibniz IPHT) in Jena, has now researched a new method that will enable doctors to better…

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Surface-enhanced Raman spectroscopy

The lab-on-a-chip SERS platform

Analytically sensitive and specific detection of pharmaceuticals or metabolites in bodily fluids, as well as fast and reliable detection of human pathogens, are major challenges for instrument-based analytics in medical diagnostics. Over the past few years the combination of surface-enhanced Raman spectroscopy (SERS) and microfluidic devices (Lab-on-a-Chip) has emerged as a perfectly suited…

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Photonics

Rapid tissue analysis: Laser light detects tumors

Cancer - this diagnosis affects almost every second German at some point in his life. It is the second most frequent cause of death in Germany. But the earlier the disease is diagnosed, the greater are the chances of surviving it. A team of researchers from Jena present a groundbreaking new method for the rapid, gentle and reliable detection of tumors with laser light at the leading trade fair…

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Microscopy in the body

The next generation of endoscopy technology

Biotechnologists, physicists, and medical researchers at FAU have developed technology for microscopic imaging in living organisms. A miniaturised multi-photon microscope, which could be used in an endoscope in future, excites the body’s own molecules to illuminate and enables cells and tissue structures to be imaged without the use of synthetic contrast agents. The findings have now been…

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Seeing red

Will nanotechnology give us infrared vision?

Mice with vision enhanced by nanotechnology were able to see infrared light as well as visible light, reports a study published in the journal Cell. A single injection of nanoparticles in the mice’s eyes bestowed infrared vision for up to 10 weeks with minimal side effects, allowing them to see infrared light even during the day and with enough specificity to distinguish between different…

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Silicon photonics

New device for screening arterial stiffness and diagnosing CVD

Researchers have developed a prototype medical device based on silicon photonics for the screening of arterial stiffness and for the diagnosis of cardiovascular diseases such as arterial stenosis and heart failure. This is a cooperation between imec, the world-leading research and innovation hub in nanoelectronics and digital technology and Ghent University, together with Medtronic and other…

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Photonic endoscopy

Fibre probe explores the depth of our brain

This could be a major step towards a better understanding of the functions of deeply hidden brain compartments, such as the formation of memories, as well as related dysfunctions, including Alzheimer’s disease. Researchers from the Leibniz Institute of Photonic Technology (Leibniz IPHT) in Jena and the University of Edinburgh have succeeded in using a hair-thin fibre endoscope to gain insights…

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Digital PET imaging

Digital Photon Counting improves diagnostic accuracy

Built as the first commercially available scanner to deliver truly digital PET, the Vereos PET/CT, from Philips, offers revolutionary Digital Photon Counting technology. The science behind this scanner evolution is ‘quite complicated’, agrees Piotr Maniawski, Director of Clinical Science Nuclear Medicine at Philips Healthcare, yet the improved performance is significant, particularly when…

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Smartphone detection

Spectrometry? There's an app for that!

Checking a lump for malignancy, finding out if food is fresh, just with your smartphone? It’s possible, according to Eindhoven University of Technology researchers in the Netherlands. Their recently presented spectrometer is small enough to insert into a smartphone. This device is not yet ready for use on a big scale, Professor Andrea Fiore, supervisor of the Eindhoven research team points out.…

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Biomaterial research

These cellular insights could make our bones heal faster

Most of us don’t think about our teeth and bones until one aches or breaks. A team of engineers at Washington University in St. Louis looked deep within collagen fibers to see how the body forms new bone and teeth, seeking insights into faster bone healing and new biomaterials. Young-Shin Jun, professor of energy, environmental & chemical engineering in the School of Engineering &…

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Nanoscale visualization

Laser light shows X-ray holographic images of viruses

Holography, like photography, is a way to record the world around us. Both use light to make recordings, but instead of two-dimensional photos, holograms reproduce three-dimensional shapes. The shape is inferred from the patterns that form after light ricochets off an object and interferes with another light wave that serves as a reference. When created with X-ray light, holography can be an…

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Cancer diagnostics

Progressing towards optical biopsy

Recognising malignant tissue remains a tricky task. While today, most patients undergo a biopsy, an invasive procedure where tissue is sampled, stained and assessed, researchers are exploring the potential of optical biopsy, the visual assessment of suspect tissue. The interest in optical biopsy ‘is indeed enormous,’ confirms Dr Thomas Bocklitz, physicist at Friedrich-Schiller University in…

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Cooperation

Fraunhofer and Mologic partner on UTI solutions

Mologic Ltd, which develops powerful, personalised diagnostics to improve the lives of patients, and Fraunhofer Centre for Applied Photonics (Fraunhofer CAP), a world-leading centre in the field of applied laser research and development, announced they are working together to develop a rapid, point-of-care test to immediately diagnose bacterial urinary tract infections (UTIs) and any associated…

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Cooperation

Training initiative on CT technology and dose optimization

For two-and-half day, 16 high skilled lecturers from Europe and USA, gave presentations at the 2018 special EFOMP/COCIR joint edition of the ESMPE School (European School for Medical Physics Experts) on “Computed Tomography. Technology, Dosimetry, Optimization”, that took place at the end of January 2018. With 80 participants of 24 nationalities, the school accredited by EBAMP (European Board…

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Smart techniques

Machine learning is starting to reach levels of human performance

Machine learning is playing an increasing role in computer-aided diagnosis, and Big Data is beginning to penetrate oncological imaging. However, some time may pass before it truly impacts on clinical practice, according to leading UK-based German researcher Professor Julia Schnabel, who spoke during the last ESMRMB annual meeting. Machine learning techniques are starting to reach levels of human…

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Introducing

Samsung unveils new innovative mobile CT OmniTom at RSNA

Samsung Electronics, a leader in medical imaging technology, will debut its OmniTom mobile 16-slice computed tomography (CT) scanner at the Radiological Society of North America (RSNA) 2017 Annual Meeting at McCormick Place in Chicago. OmniTom received 510(k) FDA clearance for the U.S. market on August 18 of this year, and attendees will get to see it for the first time at RSNA booth #2543 (South…

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NanoZoomer S360

Hamamatsu introduces new WSI Scanner

Hamamatsu Photonics introduces the NanoZoomer S360, a new high throughput Whole Slide Imaging scanner, engineered using Hamamatsu Photonics’ extensive experience of imaging technology and designed to meet the challenging requirements of digitizing routine clinical pathology.

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Hybrid imaging

Siemens Healthineers debuts Symbia Intevo Bold SPECT/CT

At the 2017 annual meeting of the Society of Nuclear Medicine & Molecular Imaging (SNMMI), June 10-14 at Denver’s Colorado Convention Center, Siemens Healthineers debuts Symbia Intevo Bold, a system that combines the company’s proven single-photon emission computed tomography (SPECT) technologies with new, high-performance CT capabilities to enable a wide range of clinical applications.

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Augmented Reality

Augmented Reality visor to dramatically improve surgery

Employing new photonics technology, European scientists are developing a new Augmented Reality surgical visor in a bid to improve accuracy of interventions, showing anaesthetic and medical data while superimposing a patient’s x-ray in perfect unison with their body, meaning surgeons never having to look away during an operation and surgery times reduced by over 20 minutes for every 3 hours.

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First hologram video player to show your beating heart

UK scientists are developing an interactive holographic video created from an MRI or CT scan that can display live footage of internal organs in front of a user where features can be rotated, enlarged, and isolated, delivering a breakthrough in medical imaging and education.

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low radiation

High resolution detectors to create safer X-ray diagnosis

A European health consortium is developing a set of low radiation, low cost, flat panel X-ray detectors that use novel photonics technology to make diagnosis safer for patients, hospital and dental staff, generating some of the highest resolution images ever seen in rapid moving body functions, such as malicious growths or the beating heart of a baby.

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Microscopy

New Patents for Lightsheet Readout Mode in CMOS Cameras

Hamamatsu Photonics has been granted patents for their “Lightsheet Readout Mode” which takes advantage of the rolling shutter readout in scientific CMOS cameras. Lightsheet Readout Mode is currently available in the ORCA-Flash4.0V2 camera. The patents place Hamamatsu’s cameras in an ideal position regarding the lightsheet application and Hamamatsu will move forward on enforcing their rights…

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Hybrid

The whole is greater than the sum of its parts

‘The combination of nuclear medicine and modern imaging procedures such as CT and MRI is becoming increasingly important in the diagnosis, treatment planning and aftercare of cancerous diseases,’ explains Professor Katrine Åhlström Riklund, who presides over the newly established European Society for Hybrid Medical Imaging, ESHI.

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More light on cancer

The group of Russian and French researchers, with the participation of scientists from the Lomonosov Moscow State University, has succeeded to synthesize nanoparticles of ultrapure silicon, which exhibited the property of efficient photoluminescence, i.e., secondary light emission after photoexcitation. These particles were able to easily penetrate into cancer cells and it allowed to use them as…

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The molecular breakdance of seeing

The detection of light by pigments in the retina, called rhodopsin or visual purple, leads to our sense of vision. New experiments by scientists from the Max Planck Institute for the Structure and Dynamics of Matter and the University of Toronto have revealed that the primary photochemical event of this process operates at the fundamental molecular speed limit.

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MEDICA 2015

JADAK to introduce chart recorder and thermal printer

JADAK will launch the XE-80P, a portable, battery-powered thermal printer and chart recorder, at Medica, in Düsseldorf, Germany, Nov. 16-19, in Hall 13, Suite Room 8. The XE-80P’s unique Charge-on-Demand™ feature allows the user to choose when the printer will charge, which reserves all power for the host device’s functions during a critical event. The XE-80P is the first printer JADAK…

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High Throughput WSI

New scanner for double sized slides

In the field of cancer diagnostics often tissue has to be cut in small pieces to fit on standard slides, although larger tissue sizes would be advantageous for diagnosis.In addition, most high throughput scanners available on the market are only able to scan normal sized slides. Some single slide scanners are able to process double sized slides but there is no system available for the automated…

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OR goes digital

The entrance of PACS-Surgery

Picture Archiving and Communications systems (PACS) are well established for managing radiology images. Could this robust and mature technology now become the backbone for creating the digital operating theatre? Report: John Brosky

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Power in Hybrid

PET/MRI – powerful diagnostic tool improving with corrections

PET/MRI scanners have great potential because they combine the strengths of two different systems. Previous problems resulting from respective, mutually exclusive physical effects of both procedures have been resolved. Now these scanners are being introduced to the hospital and assist in the detection of the position and spread of tumours as well as their metabolic activity, says Dr Harald H…

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Digital pathology

Biopsy results

Gideon Ho, CEO and co-founder of Singapore-based HistoIndex is confident: ‘After a biopsy a patient waits in a hospital bed, but now, instead of waiting a couple days until doctors know how to treat this patient, we can deliver results while the patient is still in the hospital.’ Report: John Brosky

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Dual energy brings more to meet the eye

How does spectral – or dual energy – imaging work? Very similar to red and green light used in black-and-white photography. A black-and-white camera provides information on the colours of the photographed objects: an object that is black under red light is actually green.

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Philips gives spectral CT an IQ with detector-based approach

For Pablo Ros, MD, the decision to use the new IQon Spectral CT system from Philips Healthcare is a no-brainer. The head of the radiology department at the prestigious University Hospitals Case Medical Center in Cleveland, Ohio, and the co-director of Case Center for Imaging Research, introduced the new technology on the first day at the congress of the Radiological Society of North America…

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PET/MR: The opportunities are almost unlimited

MRI has become the gold standard for many indications in cardiac imaging, apart from imaging the coronary arteries. For function and morphology assessment, MRI is the leading technology. A further advance into as yet unknown territory is myocardial imaging aided by one of the first integrated 3-Tesla PET/MR systems currently used at the Institute of Radiology, Essen University Hospital,…

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Transforming Care Together

Philips is showcasing the company’s mission of “Transforming Care Together” by featuring several of its latest solutions developed with customer insights in mind, demonstrating the company’s commitment to keeping pace with the changing needs of radiologists at RSNA.

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Top billing for cardiac MRI

Today, magnetic resonance imaging receives top billing in cardiology next to the co-star computed tomography while much hailed single-photon emission computed tomography (SPECT) plays but a minor role.

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ECR 2013: Cardiac imaging is picking up speed

They examine the structure of the heart muscle with magnetic resonance imaging (MRI) or evaluate the status of the coronary vessels with computed tomography (CT): radiologists increasingly use imaging methods to prevent or to assess cardiac diseases.

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Single shot spectral mammography

No imaging modality is infallible -- not even mammography, the golden standard for early detection of breast cancer. Particularly in women with dense breast tissue, the diagnostic quality of conventional mammography frequently suffers in terms of sensitivity and specificity. However, the evolution of digital systems has produced technologies that optimise sensitivity as well as specificity and…

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Sectra - Confident and able to count on its photon counting technology

SECure TRAnsmission, the main aim of a spin-off from the Linköping Institute of Technology, was established in 1978. From this beginning, the Swedish firm Sectra has evolved into one of the world’s leading players in PACS and mammography solutions. Although secure communication systems remains a core business, the medical section has constantly grown since 1988, when Dr Torbjörn Kronander…

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2-D building navigation

People are confronted daily with finding their way in new buildings and building complexes. Generally these are intricate, have numerous sections distributed among different houses and/or floors. Whether in hospitals, rehabilitation clinics, airports, or other large building complexes, finding the way to a particular destination can be an extremely difficult or even an impossible undertaking.

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CT and PET - Improving radiation therapy planning

When planning radiotherapy the combination of positron emission tomography (PET) and Computed tomography (CT) can provide a better outcome than CT alone. Michael Krassnitzer asked Terri Bresenham MSc BSc, Vice President for Molecular Imaging at GE Healthcare, for her views on the value of PET/CT, the new EANM guidelines, novel tracers and the future of other hybrid imaging technologies.

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Rethink breast cancer surgery

Italian surgeon and oncologist Prof. Dr. Umberto Veronesi, Founder and Scientific Director of the European Institute of Oncology in Milan and former National Health Minister (2000 – 2001), is considered to be one of the biggest authorities on breast cancer research of our time. Many breakthrough changings in cancer medicine sustainably go back on his researches, which once earned him also a…

Molecular imaging

Molecular imaging, the discipline that unites molecular biology and in vivo imaging technologies to assess biological activity in the body, promises to open up ‘…an entire new universe,’ declared Dr Ralph Weissleder, of the Centre for Molecular Imaging Research at Massachusetts General Hospital, USA, in the journal Radiology. That was just one decade ago. And he was right. It has indeed…

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Breast Care Solutions from Siemens at the German Radiology Congress

Siemens Healthcare was presenting its latest solutions for the early detection and treatment of breast cancer at the German Radiology Congress in Berlin. These Breast Care Solutions include a variety of imaging procedures, such as ultrasound, mammography, and magnetic resonance imaging (MRI), supplemented by IT and laboratory diagnostic solutions. Siemens places special focus on the third…

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Single Shot Spectral Imaging

The limitations of mammography are well documented, yet it is still the gold standard in breast cancer detection - particularly due to the positive cost-benefit ratio. Due to prohibitive costs, MRI exams are performed only in well-defined cases. The HIGHREX project (www.highrex.eu) aims to evaluate Single Shot Spectral Imaging (SSSI) technology for use in mamma diagnostics.

Exploring a new universe

Molecular imaging, the discipline that unites molecular biology and in vivo imaging technologies to assess biological activity in the body, promises to open up ‘…an entire new universe,’ declared Dr Ralph Weissleder, of the Centre for Molecular Imaging Research at Massachusetts General Hospital, USA, in the journal Radiology. That was just one decade ago. And he was right. It has indeed…

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Shimadzu combines two vital strengths to create new molecular imaging technologies

Molecular imaging, a new science that emerged from molecular biology, is unlike traditional imaging. Whilst the latter can, for example, show the differences in proton density or water content on MRI, molecular imaging uses biomarkers (probes) that interact selectively with molecules within an area and then generate the image according to fine molecular alterations occurring inside (e.g. within a…

Sectra to show latest advancements in wide area radiology

At ECR 2010 in Vienna, Sectra focus on solutions for increased productivity. Sectra RIS/PACS is a performance solution for wide area radiology. Built on the latest Sectra RapidConnectTM technology, it allows radiologists to work from any location that offers reasonable Internet access and to share images and information between multiple locations with ease.

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Tumors under fire

Oncologists have a dream: they want to use highly energetic ion beams in good quality and accurately defined dose for a pin-sharp and cost-effective radiation treatment of tumors. Modern techniques based on intense laser pulses may in the future replace expensive conventional particle accelerators. A team of physicists of the Cluster of Excellence "Munich-Centre for Advanced Photonics" (MAP) lead…

Sweden in Chicago

At RSNA 2009 in Chicago, Sectra focus on solutions for increased productivity. Sectra RIS/PACS is a performance solution for wide area radiology. Built on the Sectra RapidConnect technology it enables efficient workload sharing across multiple sites, even for large image stacks over strained networks. This way, Sectra RIS/PACS provides the opportunity to cope with ever-expanding challenges such…

Role of New Software and Technology

In the last fifteen years, myocardial perfusion SPECT imaging (MPI) has been performed most commonly by dual-head conventional scintillation cameras with parallel-hole collimators, configured in a 90ºdetector geometry and image reconstruction based on standard filtered back projection (FBP) algorithms. Such arrangement, although clinically well established suffers from important limitations…

Molekulare Bildgebung von Karzinomen

Chirurgen an der Charité haben in kolorektalem Tumorgewebe eine spezifische Anhäufung von Protoporphyrin-IX (PpIX), einem rot-fluoreszierenden Vorläufermolekül des Häms beobachtet. Wir konnten zeigen, dass diese Anhäufung von PpIX darauf zurückzuführen ist, dass das Enzym, das PpIX normalerweise in Häm überführt, die sogenannte…

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Cardiovascular research

As Professor Valentin Fuster pointed out this year, the Centro Nacional de Investigaciones Cardiovasculares (CNIC) is now a splendid reality thanks to the support of the Ministerio de Ciencia y Tecnología and the Instituto de Salud Carlos III institutions on which, now and for the future, it depends. Along with that public sector backing, CNIC will also receive civil support from the ProCNIC…

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Ultrasound most cost effective

In comparing ultrasound with other medical imaging methods such as MRI and CT scans, a literature review of published studies in the May/June issue of Journal of Diagnostic Medical Sonography (JDMS) describes the use of ultrasound to provide an accurate diagnosis more cost effectively than the alternatives.

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MR-guided radiotherapy

Real-time image guidance during radiation therapy could prove the ultimate means to ramp tumour targeting accuracy and enable real-time tracking of moving targets. MR imaging enables precise soft-tissue visualization with no additional ionizing radiation exposure. Unfortunately, MR systems and linear accelerators are inherently incompatible and some innovative design work is required for them to…

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A free-to-download spectrum generator

The Institute of Cancer Research in London, UK, offers a new research tool for calculating emission spectra from X-ray systems on their website. The SpekCalc computer programm is made available free of charge to medical physicists who need to describe the spectrum generated by an X-ray set used in radiotherapy and diagnostic radiology.

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Exploring the nano-world

A new type of super-resolution X-ray microscope invented by researchers from Paul Scherrer Institut (PSI) and Ecole Polytechnique Fédérale de Lausanne (EPFL) gives pin sharped insights into the composition of semiconductor devices and cellular structures.

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Raman spectroscopy improves molecular imaging

A team of Stanford University School of Medicine researchers has developed a new type of imaging system that can illuminate tumors in living subjects-getting pictures with a precision of nearly one-trillionth of a meter.

The optical biopsy: Coming into view?

A British collaboration has secured £325,000 (?460,000) of government backing to develop an in vivo optical imaging probe for diagnostic and therapeutic applications in oncology. The long-term objective is to use optical coherence tomography (OCT), an interferometric imaging modality, to perform real-time diagnosis and to guide the removal of cancerous or precancerous tissue during the same…

Nanorods of gold blast holes in cancer tumours

USA — Miniscule gold 'nanorods' triggered by a laser beam can blast holes in tumour cell membranes, which then activates a complex biochemical mechanism that leads to the tumour cell to self-destruct, according to researchers at the Weldon School of Biomedical Engineering in Purdue University, Idaho.

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Molecular imaging

In recent years molecular imaging has developed into a hot topic field in medical research, which raised high expectations.

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Germany's early detection programme and research

In 2002, Germany implemented an early detection programme for breast cancer. The digital Reference Centre For Mammography at the University Hospital Münster is one of five such centres in the country - and it's one of the most modern, providing digital systems for imaging and results evaluation as well as a mammo-PACS.

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Tomorrow's imaging on today's horizon

"Tomosynthesis is a hot topic in all the companies involved in mammography", Professor Danielsson pointed out. "But whereas they are developing more or less the same thing, Sectra has a totally different concept - photon-counting - a unique technology that, for the first time, processes X-rays one by one."

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PET scanning the heart cuts costs

USA - Using positron emission tomography (PET) scanning rather than other types of imaging as the first tool to diagnose heart-vessel blockages is more accurate, less invasive and saves money, according to researchers reporting at the American College of Cardiology's Annual Scientific Session in March.

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4th International Multislice CT Symposium

Combining multislice CT equipment with procedures used in nuclear medicine such as PET-CT (positron emission tomography) and SPECT-CT (single photon emission computed tomography) offers fascinating perspectives of capturing morphological image and functional diagnostics.

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