Microscopic tomography x ray computed. Medical search. Frequent questions

Pore-scale structure of the front can then be examined in the 3D microscopic details using the X-ray Computed micro-Tomography (XCT). (lsu.edu)
X-ray micro-tomography and FIB-SEM techniques were used to identify and resolve these ghost regions in three-dimensions at the nm- to µm-scale. (amira-avizo.com)
This protocol allows to acquire particle scale data of granular soils using x-ray micro-tomography and develop a understanding of the micro-scale processes and mechanisms underlying the microscopic behavior of granular materials. (jove.com)

The program also covers positron emission tomography-computed tomography (PET-CT) and single-photon emission computed tomography (SPECT), imaging modalities that have become more common in the past decade. (llu.edu)
With the inclusion of a biomarker, which interacts chemically with tissues and structures of interest, many imaging techniques can be used for molecular imaging including ultrasound, x-rays, magnetic resonance imaging, optical imaging, positron emission tomography, and single photon emission computed tomography. (nih.gov)

Here, a unique look at a seal's facial features courtesy of a computed tomography (CT) scan. (discovermagazine.com)
This image was created using a new type of scan known as dual-energy computed tomography (DECT). (discovermagazine.com)
Unlike an X-ray, which uses radiation to scan a body, nuclear medicine uses radiation from a person's body to detect things on a microscopic level, such as tumors or abnormal vascular or cardiac function. (llu.edu)
The x-ray films of the chest and computed tomography scan of the thorax and abdomen were normal. (cdc.gov)
A PET scan , or positron emission tomography, technology is used to determine if the cancer has spread to areas beyond the esophagus. (hopkinsmedicine.org)
Microscopic inspection, ultrasonic c-scan, pulsed thermography, vibrothermography, and laser spot thermography are used to investigate the internal flaws in a stitched T-joint carbon fiber-reinforced polymer (CFRP) matrix composites. (canada.ca)
The most precise method for determining whether the kidneys have been damaged is to perform a computed tomography (CT) scan while the patient is receiving intravenous (IV) contrast. (hganalytics.com)
A CT scan comprises many x-ray images pieced together to display "slices" of various body parts. (hganalytics.com)
A computed tomography (CT) scan is often ordered if there is something abnormal on the chest X-ray. (globalmedicaldata.com)
A CT scan can detect smaller lesions not visible on a chest X-ray. (globalmedicaldata.com)
Your doctor cannot diagnose cancer with only an image from a CT scan or an X-ray. (globalmedicaldata.com)

Computed Tomography (CT) In computed tomography (CT), which used to be called computed axial tomography (CAT), an x-ray source and x-ray detector rotate around a person. (msdmanuals.com)
B ) Chest computed tomography, contrast enhanced in coronal and axial cuts, showing loculated left pleural effusion with curvilinear ossification inferiorly. (ajtmh.org)

An alternative is to use micro computed tomography scans, which use X-rays to examine structures in three dimensions. (elifesciences.org)
CT stands for computed tomography scans which is a type of X-ray. (survivingmesothelioma.com)
In fact, CT scans are just a more sophisticated use of X-ray technology. (survivingmesothelioma.com)
A typical series of CT scans for the sinuses use less x-ray radiation than a standard complete set of x-rays. (ftscorch.com)
Computed tomography (CT) scans: This test allows the doctor to view the organs inside the body in small sections. (nih.gov)
To determine how extensive cancers are and how far they have spread, CT scans of the abdomen and pelvis and chest x-ray or CT of the chest are done. (merckmanuals.com)
Today this advance is becoming a reality thanks to a newly developed ability to combine ultra-high resolution/microscopic computed tomography (microCT) scans with high-tech computer protocols to produce detailed 3-D images of mouse embryos. (nih.gov)
The new] technique allows us to get at a lot more tissues other than bone, such as internal organs, which [conventional] microCT scans of unstained tissue can't pick up," says coauthor Chris Johnson, a distinguished professor of computer science who directs the University of Utah's Scientific Computing and Imaging Institute. (nih.gov)
The X ray microCT scans of mouse embryos thus generated are converted using computer visualization techniques into detailed 3-D images that show the mouse's exterior and interior. (nih.gov)

Günter Schmahl (26 March 1936 - 14 August 2018) was a German physicist, professor at the University of Göttingen and a pioneer of X-ray microscopy. (wikipedia.org)
The main focus of Schmahl's work, and his most important achievement, was the development of full-field soft X-ray microscopy. (wikipedia.org)
He was also one of the founders and the first organizer of the International Conference on X-Ray Microscopy, which has been held every three years since 1983 and biennially since 2008. (wikipedia.org)
14th International Conference on X-ray Microscopy. (wikipedia.org)
At the same time, Prof. Hanke is Head of the Chair of X-ray Microscopy at the Julius-Maximilians-Universität in Würzburg - the very same university at which Röntgen himself taught. (fraunhofer.de)
Our armamentarium includes atomic force microscopy (AFM), small-angle X-ray scattering (SAXS), small-angle neutron scattering (SANS), static light scattering (SLS), dynamic light scattering (DLS), osmometry, and multi-dimensional nuclear magnetic resonance (NMR) relaxometry and diffusometry. (nih.gov)
In our laboratories, you can use both standard microscope techniques, like scanning electron microscopy (SEM), transmission electron microscopy (TEM) and confocal laser scanning microscopy (CLSM), as well as infra-red based analysis techniques and micro-computed tomography (micro-CT). (lu.se)

abstract = "Use of microscopic computed-tomography (micro-CT) scanning continues to grow in biomedical research. (elsevierpure.com)

7 To overcome this obstacle, investigators have used non-invasive modalities including quantitative computed tomography (CT) to indirectly examine those changes. (hoihohaptphcm.org)

Urine examination revealed granular casts and microscopic hematuria. (medscape.com)
Microscopic examination of a urine sample may reveal cancer cells. (merckmanuals.com)
A simple urine dipstick test can detect microscopic hematuria. (hganalytics.com)

Propagation-based imaging enhances the contrast of X-ray images by detecting both the absorption and phase shift that occurs as X-rays pass through a sample. (eurekalert.org)
X-ray phase-shift images may increase contrast resolution and reduce radiation exposure. (elsevierpure.com)
Photoacoustic computed tomography (PACT) is a non-invasive imaging technique offering high contrast, high resolution, and deep penetration in biological tissues. (nih.gov)

Thirty one patients who had planned for radiotherapy after radical prostatectomy were enrolled and underwent computed tomography and magnetic resonance imaging (MRI) simulation prior to radiotherapy. (nih.gov)
The complementary tests by imaging technique include ultrasonography, computed tomography and magnetic resonance, which help their diagnosis. (bvsalud.org)
Three-dimensional magnetic resonance imaging (MRI) and micro-computed X-ray tomography (micro-CXT) have been combined to study the entrapment of mercury within nanoporous silica materials following porosimetry. (birmingham.ac.uk)
All patients with cerebral infarction were confirmed by head magnetic resonance imaging (MRI) or computed tomography (CT), and met the diagnostic criteria of the 2018 Early Management Guidelines for Acute Ischemic Stroke Patients [ 4 ]. (biomedcentral.com)

Ultrasonography is the most used technique because is a low-cost, fast, reliable imaging method, without x-ray exposure. (bvsalud.org)

The protocol describes procedures to acquire high-spatial resolution computed tomography (CT) images of a granular soil during triaxial compression, and to apply image processing techniques to these CT images to explore the grain-scale mechanical behavior of the soil under loading. (jove.com)

State-of-the-art computed tomography and ultrasonic apparatus make it possible to obtain diagnostic results that are as precise as possible. (healthtravellatvia.lv)

Chest x-ray revealed pulmonary nodules that were subsequently confirmed on computed tomography (CT) of the thorax. (medscape.com)

Traditional microscopic imaging of anatomy is in two dimensions, using slices of tissue. (elifesciences.org)

Microcomputed tomography (microCT) is used to validate the infrared results. (canada.ca)
Images of whole embryos are then made by volumetric X ray microCT, with as little as 2 hours needed to achieve isometric resolutions of 27 μm, or 12 hours to achieve resolutions of 8 μm. (nih.gov)

Skin biopsy: Removal of a small piece of tissue for microscopic examination. (nih.gov)

À cet effet, les matériaux composites unidirectionnels à matrice polymère sont de plus en plus utilisés pour des applications structurelles. (hal.science)

Microscopic examination revealed the presence of a fibrous capsule covered by epithelium, without any skin adnexa. (bvsalud.org)

However, an X-ray may not be able to detect small or early stage cancers. (globalmedicaldata.com)

Diagnosis is usually by computed tomography. (merckmanuals.com)
Although limit microscopic examination could not establish a diagnosis, arachnoid cyst was diagnosed by electron microscopic findings. (nih.gov)

Participants undergo diagnostic procedures that may include a medical history, physical examination, X-ray studies, eye examinations, and blood drawing, as well as other specialized tests, when needed. (nih.gov)

Chest computed tomography findings of the Omicron variants of SARS-CoV-2 with different cycle threshold values. (cdc.gov)

OAK BROOK, Ill. - Researchers in Sweden using computed tomography (CT) have successfully imaged the soft tissue of an ancient Egyptian mummy's hand down to a microscopic level, according to a study published in the journal Radiology . (eurekalert.org)
By virtue of a mobile X-ray computed tomography machine, researchers are able to render the invisible visible and support the virtual capture and recording of historically significant objects in collections and museums. (fraunhofer.de)

Tissue and stool samples for microscopic examination and cultures may be obtained during sigmoidoscopy. (msdmanuals.com)

To expand the catalog of biological experiments, we investigate the possibilities of optical projection tomography (OPT). (spie.org)
Alternatively, in situ computed tomography (in situ CT) can be used to investigate the loading process of clinch points. (mdpi.com)
Here, we applied high-speed synchrotron X-ray tomography to investigate the change in pore structure during the foaming process, quantifying the foam structures and porosity dynamically. (amira-avizo.com)

These measurements are complimented by P-wave velocity, resistivity, magnetic susceptibility, and X-ray fluorescence spectroscopy which are a suite of instruments available on the MSCL. (searchanddiscovery.com)

In this study we utilized dry human archaeological bones from nine prehistoric and historic individuals and exposed them to different levels of radiation using conventional X-ray to more accurately examine the issue. (arcas.org.au)

The relative contributions of emphysema and airway remodelling to airflow limitation remain unclear in chronic obstructive pulmonary disease (COPD).We aimed to evaluate the relative contributions of emphysema and airway wall thickness measured by quantitative computed tomography (CT) to the prediction of airflow limitation in two separate COPD cohorts. (hoihohaptphcm.org)
AMSFMap Methodology to improve prediction accuracy of CNN model for Covid19 using X-ray images. (cdc.gov)

Majority of the studies published on the transient imbibition behavior in a porous medium were conducted in the simplified 2D transparent micromodels or the 2D projection visualization (X-ray or visible light) of the 3D porous medium. (lsu.edu)

In modern scanners, the x-ray detector usually. (msdmanuals.com)

Microscopic asbestos fibers become embedded in the abdomen (peritoneum). (survivingmesothelioma.com)

The steady development of new microscopic techniques leads to an correspondent improvement of biological methods. (spie.org)

If you have any symptoms of lung cancer, your doctor may order a chest X-ray. (globalmedicaldata.com)
A chest X-ray of someone with lung cancer may show a visible mass or nodule. (globalmedicaldata.com)
Recognition of Peripheral Lung Cancer and Focal Pneumonia on Chest Computed Tomography Images Based on Convolutional Neural Network. (cdc.gov)

Schmahl founded the Institute for X-ray Physics at the University of Göttingen and headed it until his retirement in 2002. (wikipedia.org)

Not only macroscopic quantities (notch opening displacement, reduction in diameter…) but also microscopic (evolution of voids considered as a cluster or individually) have been analyzed both quantitatively and qualitatively. (hal.science)
The simulations showed that the overall level of entrapment of mercury was determined by the close interaction between the pellet macroscopic structure (particularly pore size spatial correlation), and the microscopic mercury retraction mechanism. (birmingham.ac.uk)

From microscopic images of a kidney stone to an X-ray of a bat or a cross-section of a flower bud, the images show in minute detail the wonder that can be found in the world around and within us. (discovermagazine.com)
The information obtained from the micro-CXT images, and also from the porosimetry curves themselves, was then used to constrain a model for the microscopic mercury retraction mechanism. (birmingham.ac.uk)

Computed tomography There are a variety of tests that can be used in the evaluation of a suspected kidney or urinary tract disorder. (merckmanuals.com)

As »heirs« to Röntgen's legacy, Fraunhofer EZRT and its staff feel a keen duty to inform the public about the opportunities and possibilities of modern X-ray technology for nondestructive material analysis as part of various initiatives and events. (fraunhofer.de)

A ) Chest x-ray posteroanterior and lateral views demonstrating large loculated left-sided pleural effusion. (ajtmh.org)

We reduced the disadvantage in resolution by applying physical filters in the Fourier plane of the image path, which is not possible in X-Ray imaging yet. (spie.org)
In recent years a number of technical developments in X-ray sources and X-ray imaging arrays have broadened the utility of micro-CT. (elsevierpure.com)
The application of radiographic imaging methods like conventional X-Ray and computed tomography (CT) in bioarchaeological research is normally considered to be non-invasive. (arcas.org.au)
Employing Next Generation Sequencing (NGS) of shotgun sequencing libraries, quantitative PCR (qPCR), and multiplex PCR of autosomal genetic markers we show that neither the exposure to conventional X-ray dosages (moderate irradiation) used in archaeological imaging studies nor 20-fold increased dosages (strong irradiation) have a significant effect on the quantity and quality of DNA that can be recovered from these ancient specimens. (arcas.org.au)
An X-ray imaging method used to image the breast for the early detection of cancer and other breast diseases. (nih.gov)

Past studies attempted to determine the specific effect of X-ray and computed tomography on the amplification of DNA from bone of recently butchered animals. (arcas.org.au)

While this holds true on the macro- and microscopic level, little is known about potentially induced damage on the molecular level that could inhibit the successful recovery of ancient DNA (aDNA) from such specimens. (arcas.org.au)
Over the past 20 years, we have raised X-ray technologies to a new level. (fraunhofer.de)

The vesicourethral anastomosis was accurately localized using central sagittal computed tomography reconstruction, with a mean +/- standard deviation uncertainty of 1.8 +/- 2.5 mm. (nih.gov)

The »X-ray on Wheels« is a full-featured mobile X-ray laboratory on four wheels. (fraunhofer.de)
The Computed Tomography (CT) and Multi-Sensor Core Logger (MSCL) facilities at the National Energy Technology Laboratory (NETL) in Morgantown, West Virginia are utilized for rapidly characterizing large volumes of rock core. (searchanddiscovery.com)

If you can produce phlegm when you cough, microscopic cancer cells may be seen in this form of screening. (globalmedicaldata.com)

3. Most of the time, an abnormal-looking sinus x-ray means there's an infection. (ftscorch.com)
It can give more information about abnormalities, nodules, or lesions - small, abnormal areas in the lungs seen on X-ray. (globalmedicaldata.com)

The phase effect with X-rays is similar to how a ray of light changes direction as it passes through a lens. (eurekalert.org)

The patient was submitted to a computed tomography for evaluation of the lesion's limits and relations to the adjacent anatomic structures. (bvsalud.org)

Studying the microscopic scale is of paramount importance in order to understand and simulate specific strain mechanisms of the thermoplastic resin.In the first part, an experimental campaign has been conducted on the plain thermoplastic polymer. (hal.science)
This methodology allows for a multi-scale description of the core at both a macro- and microscopic scale. (searchanddiscovery.com)

Both X-ray and conventional CT take advantage of the fact that materials absorb different amounts of X-rays. (eurekalert.org)
Microscopic, preformed bubbles composed of varying materials that enable widespread applications. (nih.gov)

Named »X-ray Foyer«, the fascinating exhibition includes many experiments for visitors to try out. (fraunhofer.de)
The nuclear medicine program at the School of Allied Health Professions includes computed tomography (CT), which means graduates can also sit for the CT boards. (llu.edu)

Can computed tomography speed up automobile development? (fraunhofer.de)
At the Development Center X-ray Technology, we are walking in the footsteps of Wilhelm Conrad Röntgen with a team of over 150 experts. (fraunhofer.de)
Over the past 20 years, the Development Center X-ray Technology EZRT at the Fraunhofer Institute for Integrated Circuits IIS, with Prof. Randolf Hanke at the helm, has developed into one of the most important research centers for industrial X-ray technology worldwide. (fraunhofer.de)

Vom Röntgenbild einer Hand zum Blick in lebende Zellen" [From an X-ray image of a hand to a view into living cells]. (wikipedia.org)

Can X-ray technology help plants withstand climate change? (fraunhofer.de)
How can X-ray technology optimize recycling? (fraunhofer.de)

The center's research location in Fürth is home, among other things, to the largest publicly accessible computed tomography system in the world, which is capable of X-raying whole vehicles and shipping containers. (fraunhofer.de)

Anatomy40

Organisms4

Diseases35

Chemicals and Drugs30

Analytical, Diagnostic and Therapeutic Techniques and Equipment99

Psychiatry and Psychology2

Phenomena and Processes32

Disciplines and Occupations5

Technology, Industry, Agriculture4

Information Science11

Named Groups2

Health Care41

Geographicals3

Micro-Tomography3

Single-Photon Emi2

Scan11

Axial2

Scans9

Microscopy7

Abstract1

Modalities1

Urine3

Contrast3

Magnetic resonance4

Ultrasonography1

Granular1

Ultrasonic1

Thorax1

Slices1

MicroCT2

Biopsy1

Composites1

Examination revealed1

Detect1

Diagnosis2

Diagnostic1

Findings1

Researchers2

Tissue1

Investigate3

Fluorescence1

Examine1

Prediction2

Projection1

Scanners1

Abdomen1

Biological1

Lung cancer3

Physics1

Macroscopic2

Images2

Kidney1

Nondestructive1

Chest x-r1

Imaging5

Bone1

Level2

Accurately1

Laboratory2

Cancer1

Abnormal2

Effect1

Evaluation1

Scale2

Materials2

Includes2

Development3

Living cells1

Technology2

System1