Tomographic image reconstruction. Medical search. Frequent questions

Recent advancements in X-ray sources and detectors have led to the collection of rapid time-resolved data from various positions within a sample or sample ensemble through time-resolved imaging/tomography experiments. (finden.co.uk)
In cardiovascular care imaging is extensively utilised, and the development of novel techniques promises refined diagnostic abilities: ultrasound elastography allows for constitutive tissue assessment, 4D flow magnetic resonance imaging (MRI) enables full-field flow mapping, and micro-Computed Tomography (CT) permits high-resolution imaging at pre-clinical level. (avhandlingar.se)
A system and method for reconstructing an image using a cone-beam computed tomography (CT) imaging system includes acquiring data from a subject with the CT imaging system using a limited scan range t. (warf.org)
Methods and systems are provided for generating quantitative computed tomography (CT) angiographic images using imaging systems that acquire a set of projection views forming CT angiographic image dat. (warf.org)
Positron emission tomography (PET) is a powerful imaging technique which enables in vivo examination of brain functions. (bmj.com)
Photoacoustic tomography, neutron and phase‐contrast imaging. (iitk.ac.in)
Applications in nuclear medicine, physiological imaging with optical fluorescence based tomography. (iitk.ac.in)
Residual strain tomography was reconstructed using neutron Bragg edge imaging projections. (surrey.ac.uk)
By optical projection tomography (OPT) 3 imaging protocols developed in our laboratory 4 - 7 it is possible to obtain detailed (islet level) information of this kind, throughout the volume of the pancreas in large cohorts of animals 7 - 10 . (nature.com)
An electron microscope can image nanotechnology in 3D with an experimental technique known as electron tomography. (opensource.com)
Electron tomography uses many projection images to reconstruct a nanoscale object in 3D. (opensource.com)
Optical coherence tomography (OCT), a technology often described as combining the principles of ultrasound with the imaging performance of a microscope, is thought to be particularly useful for future diagnostic devices for ophthalmology. (medgadget.com)
The PhD subject is about positron emission tomography (PET) image reconstruction within the domain of statistical inference. (gdr-isis.fr)
Positron emission tomography (PET) is a quantitative nuclear imaging modality widely used in oncology for cancer staging and follow-up of the therapy. (gdr-isis.fr)
1] J. Nuyts, D. Beque, P. Dupont, L. Mortelmans, "A concave prior penalizing relative differences for maximum-a-posteriori reconstruction in emission tomography," IEEE Trans. (gdr-isis.fr)
X-Ray Computed Tomography (CT) is one of the cornerstones of medical imaging for many decades now. (tum.de)
Radionuclide imaging can expose patients to similar amounts of radiation than do comparable computed tomography (CT) studies. (msdmanuals.com)
Small-angle x-ray scattering tensor tomography provides three-dimensional information on the unresolved material anisotropic microarchitecture, which can be hundreds of times smaller than an image pixel. (lu.se)
Magnetic resonance imaging (MRI) and computed tomography (CT) scanning are the best single imaging studies for the diagnosis and characterization of vascular rings. (medscape.com)
He has previously been stationed at micro and nano tomography beamlines at Synchrotron facilities, including SYRMEP at Elettra Sincrotrone Trieste (Trieste, Italy), P05 Imaging Beamline at DESY/Hereon (Hamburg, Germany) and ForMAX at MAX IV (Lund, Sweden). (lu.se)
On the other hand, cone beam computed tomography (CBCT) images are high resolution 1,3,5 , permitting a more precise identification of the apical periodontitis (AP), providing more effective information about the size and location, since the superimposition of the neighboring anatomical structures 1-4,6-15 is eliminated. (bvsalud.org)
Computed tomography (CT) scanning and magnetic resonance imaging (MRI) are the imaging modalities of choice. (medscape.com)

Current image reconstruction techniques are mostly based on the formulation of an optimization problem with a data fidelity term and a regularization or penalty term, which can be viewed as Bayesian maximum a posteriori (MAP) based methods. (gdr-isis.fr)
By estimating the parameters of the GMM in a maximum a posteriori manner, the reconstruction of the surface from the given measurements is achieved. (kobv.de)
PET images were reconstructed with the fully 3-dimensional maximum a posteriori method, and CT images were reconstructed with the Feldkamp algorithm, then spatially registered and fused for display. (snmjournals.org)

The work presented here introduces a Reconstruction Algorithm for the Probabilistic inspection of Damage (RAPID), which is used to construct tomographic images of multiple defects in a 16″-diameter schedule 30 steel pipe. (psu.edu)
Phase-mapping images at different projection directions were obtained by rotating the object in an x-ray interferometer, and were processed with a standard CT algorithm. (elsevierpure.com)
If measuring the lateral distribution from a sample in a number of different angles and then applying a tomographic reconstruction algorithm a 3D image of the sample can be achieved. (lu.se)

This study presents the residual strain distribution in the bulk of the weldment using volumetric tomographic reconstruction. (surrey.ac.uk)
The results also demonstrate the potential of reconstructing volumetric residual strain distribution in bulk materials using fewer projections to reduce data redundancy and acquisition time for the neutron Bragg edge imaging technique. (surrey.ac.uk)
Conceptually similar to a medical CT scan-only performed at the nanoscale-a series of projection images taken around the specimen allows complete volumetric reconstruction of an object. (opensource.com)
The 3D volumetric reconstruction was achieved using the filtered back projection (FBP) technique. (stfc.ac.uk)

Alongside a brain-predicted value, the software outputs brain tissue volume measurements (from SPM12) and snapshot images (from FSL slicesdir) to enable straightforward quality control. (ucl.ac.uk)
The resulting images are a compromise between noise and bias and typical measurements extracted from such images may be characterized by a significant error. (gdr-isis.fr)
Surface reconstruction also appears in medical image analysis, e.g. in anatomy reconstruction from tomographic measurements or the alignment of intra-operative navigation and preoperative planning data. (kobv.de)
In contrast to mere 3D point clouds, medical imaging yields contextual information on the 3D point data that can be used to adopt prior information on the shape that is to be reconstructed from the measurements. (kobv.de)
The method to measure the space between the foramina was developed using the BlueSky Plan3 software in Dicom format and the axial reconstruction views were chosen for measurements. (bvsalud.org)

The first step requires only standard processing algorithms, for the second step, additional pre-processing such as image co-registration and phase calibration is used. (wikipedia.org)
While the details of various SAR algorithms differ, SAR processing in each case is the application of a matched filter to the raw data, for each pixel in the output image, where the matched filter coefficients are the response from a single isolated point target. (wikipedia.org)
There is a requirement for algorithms that can enhance reconstruction with sparsely sampled sinograms, enabling the attainment of higher levels of spatial and temporal resolution in chemical imaging. (finden.co.uk)
Furthermore, it is shown that the new network is able to reconstruct images of higher quality than conventional reconstruction algorithms, such as the filtered back projection and iterative algorithms (SART, SIRT, CGLS), when sinograms with angular undersampling are used. (finden.co.uk)
a) To provide conceptual and algorithmic foundations needed to set up reconstruction algorithms and systems for tomographic imaging. (iitk.ac.in)
Foundations of model based reconstruction algorithms. (iitk.ac.in)
At the end of the course, it is expected that the candidates will understand how to write and execute basic reconstruction algorithms along with an understanding of the underlying assumptions as well as the corresponding application areas. (iitk.ac.in)

This can reveal the differences undetected by standard diffraction and imaging techniques. (stfc.ac.uk)

SPECT, which uses a rotating camera system and tomographic reconstruction to produce a 3-dimensional image, is more common in the United States. (msdmanuals.com)
With multihead SPECT systems, imaging can often be completed in ≤ 10 minutes. (msdmanuals.com)
It is injected at peak stress and imaged with SPECT, followed 4 hours later by injection of half the original dose during rest and by repeat SPECT. (msdmanuals.com)

The network could potentially be applied to other tomographic methods and modalities, and it may also find application in addressing other imaging inverse problems, such as the parallax problem in XRD-CT. (finden.co.uk)
Inverse Problems and Imaging , 12 (6), 1429-1442. (dtu.dk)
Kongskov, RD & Dong, Y 2018, ' Tomographic Reconstruction Methods for Decomposing Directional Components ', Inverse Problems and Imaging , vol. 12, no. 6, pp. 1429-1442. (dtu.dk)
However, PET data do not directly lead to images and a complex inverse tomographic problem has to be solved. (gdr-isis.fr)

Other imaging modalities, especially MRI and CT, permit characterization of the severity and location of tracheal obstruction while offering superior definition of vascular anatomy. (medscape.com)

A type I fracture (see the images below) is a transverse fracture through the hypertrophic zone of the physis. (medscape.com)
The ultrasonographic image, obtained by a transverse transhepatic approach, reveals marked circumferential eccentric thickening of the wall of the cardia (between calipers). (avma.org)
Computed tomographic images in the transverse plane (A), sagittal reconstruction (B), and dorsal reconstruction (C) at the level of the cardia in the dog of Figure 1 obtained 9 months after stent placement. (avma.org)
Transverse MRI images in a patient with double aortic arch. (medscape.com)
A) Transverse image at the level of the pulmonary valve. (medscape.com)

Two radiologic examinations can be performed to further evaluate fractures: (1) CT scanning with multiplanar reconstruction and (2) magnetic resonance imaging (MRI). (medscape.com)
MRI depicts marrow edema, whereas CT shows cross-sectional bone detail and tomographic multiplanar information. (medscape.com)

Phase-contrast x-ray CT requires for its input data the x-ray phase-shift distributions or phase-mapping images caused by an object. (elsevierpure.com)
The central instrument of In Vivo Micro-CT Core is a MicroCATII scanner with data acquisition workstation, tomographic workstation and image processing workstation. (upstate.edu)
However, the large volume and fast acquisition of data present challenges for traditional image reconstruction and analysis methods. (finden.co.uk)
DTI-TK is a spatial normalization & atlas construction toolkit, designed from the ground up to support the manipulation of diffusion-tensor images (DTI) with special cares taken to respect the tensorial nature of the data. (ucl.ac.uk)
Described here is a system and method for image reconstruction that can automatically and iteratively produce multiple images from one set of acquired data, in which each of these multiple images corr. (warf.org)
A system and method are provided for medical imaging that includes acquiring, during a common imaging acquisition process, rotational, x-ray volume image data and x-ray tomosynthesis image data from a. (warf.org)
Acquisition of data in the three dimensional mode using a state-of-the-art scanner greatly increases the spatial resolution of PET images. (bmj.com)
The reconstruction of the object's parameters of interest is carried out computationally upon modeling the data as a linear or nonlinear function of the unknown parameters. (iitk.ac.in)
We present ex vivo optical tomographic data sets of the full β-cell mass distribution in cohorts of obese ob/ob mice and their lean controls, together with information about individual islet β-cell volumes, their three-dimensional coordinates and shape throughout the volume of the pancreas between 4 and 52 weeks of age. (nature.com)
Data acquisition in conventional CT imaging has evolved through 4 generations of acquisition geometries. (ajnr.org)
Tomographic reconstructions of experimental data is also possible within tomviz. (opensource.com)
Ensuring the reproducibility of tomographic analysis requires an open visualization platform capable of saving the workspace and data processing pipelines. (opensource.com)
Image Data Download Options. (ucsd.edu)
We explore the application of neural fields for tomographic reconstructions of the solar corona using data from the Large Angle and Spectrometric Coronagraph (LASCO)-C2 instrument. (iac.es)
We present a novel and computationally efficient method for the detection of meniscal tears in Magnetic Resonance Imaging (MRI) data. (researchgate.net)
Convolutional neural networks (CNNs) are the state-of-the-art for automated assessment of knee osteoarthritis (KOA) from medical image data. (researchgate.net)
To date, data on clinical outcomes are scarce and on biomechanical outcomes of the dynamic MPFL reconstruction are lacking. (springer.com)
the data and the image are of high dimensions (10 8 -10 9 data entries and 10 7 -10 8 image voxels) so the projection matrix cannot be stored and is computed on-the-fly. (gdr-isis.fr)
This technique is the basis for image reconstruction (converting from the measured data to the image) on modern CT scanners. (stfc.ac.uk)
We imaged 4 women with mammographic findings highly suggestive of breast cancer (breast imaging reporting and data system, category 5) in an ongoing clinical trial. (snmjournals.org)

A workstation with Amira image processing and 3D visualization software is available. (upstate.edu)
Conebeam x-ray CT (CBCT) is a developing imaging technique designed to provide relatively low-dose high-spatial-resolution visualization of high-contrast structures in the head and neck and other anatomic areas. (ajnr.org)
However, it is a complex process that relies heavily on software for every step of the process, from 3D reconstruction to visualization. (opensource.com)
This year a grant from the US Department of Energy kickstarted the tomviz project for advanced tomographic reconstruction and visualization of nanotechnology. (opensource.com)
The platform provides a robust graphical interface where multiple datasets, colormaps, and other visualization settings can be used in combination and these objects can be saved as image or animated video files. (opensource.com)
In its final form, tomviz will become a complete toolset for 3D imaging of nanomaterials-from reconstruction to visualization. (opensource.com)
Emanuel works as both a Coordinator and Application expert at CIPA, focusing on supporting users with tomographic X-ray and neutron imaging - from acquisition, to image reconstruction, image processing, image analysis, and visualization. (lu.se)

Preoperative magnetic resonance imaging, upright radiographs, surgical reports and patient records will be evaluated, and clinical and functional outcomes will be measured. (springer.com)

The CT component allows for the creation of fused images, showing the location of 18 F-FDG uptake on an anatomic background, and allows the use of the low-noise radiographic scans for attenuation and scatter corrections. (snmjournals.org)

The pancreas is best evaluated with a triphasic (arterial, portal venous, and systemic venous phases), contrast-enhanced (after intravenous injection of contrast medium), computed tomographic (CT) scan with 3-dimensional (3-D), triplanar (axial, coronal, and sagittal planes) reconstruction. (medscape.com)

Using the shape distribution that is modelled by the PDM, we reformulate the problem of surface reconstruction from a probabilistic perspective based on a Gaussian Mixture Model (GMM). (kobv.de)

Recently, imaging nanoscale objects in all three-dimensions (3D) has become an important task. (opensource.com)

Concepts related to CBCT acquisition geometry, flat panel detection, and image quality will be explored in detail. (ajnr.org)
A central point for any reconstruction method is the projector and back-projector pair, which models the interaction process of X-rays with matter, the detection process in the detector and the acquisition geometry. (tum.de)
Chronic inflammation of the periapical tissue usually develops without the patient reporting any symptoms, so the acquisition of images is fundamental to its detection 1 . (bvsalud.org)

A phase-contrast x-ray CT image of a nonstained cancerous tissue was obtained using 17.7 keV synchrotron x rays with 12 micrometer voxel size, although the size of the observation area was at most 5 mm. (elsevierpure.com)
In essence, OCT is a technique that allows the reconstruction of tissue microstructure, based on tomographic images obtained with low intensity light. (medgadget.com)
The CT images, obtained at the level of the cardia in the standard soft tissue window, reveal a pericardial mass (arrowheads). (avma.org)
Images were obtained in the standard soft tissue window. (avma.org)
The leading surgical strategy is to stabilize the patella through a reconstruction of the insufficient or disrupted soft tissue of the MPFL. (springer.com)
After the radionuclide has had time to reach the target tissue, images are taken with a gamma camera. (msdmanuals.com)
thus, imaging is limited by the thickness of the tissue and the range of the camera. (msdmanuals.com)
For example, in myocardial perfusion imaging, heart tissue takes up radionuclides (eg, thallium) in proportion to perfusion. (msdmanuals.com)
Often, imaging must be delayed for up to several hours to give the radionuclide time to reach the target tissue. (msdmanuals.com)

Volume intensity projections generate en-face images (similar to the fundus images taken of the retina) that enable accurate cross-sectional image registration. (medgadget.com)

The reconstruction of an object's shape or surface from a set of 3D points is a common topic in materials and life sciences, computationally handled in computer graphics. (kobv.de)

The quality of the tomographic reconstruction changes as a function of the iteration number as the dataset is going through the proposed projection image registration procedure. (iucr.org)
The aim of this Master's thesis is the educated selection of a suitable cone-beam projection / back-projection method based on established literature, and its efficient implementation in our existing C++ framework for tomographic reconstruction, CAMPRecon, using a massively parallel implementation on GPUs with OpenCL. (tum.de)
We develop a direct filtered back-projection method based on algebraic filters that enables rapid tensor-tomographic reconstructions and is a few orders of magnitude faster compared to established techniques, given the same computational resources. (lu.se)

The resultant series of images are reconstructed by computer into 2-dimensional tomographic slices in a similar manner to that done in conventional CT. (msdmanuals.com)

A neutron Bragg edge imaging technique is used to obtain 2D angular projections. (surrey.ac.uk)
Researchers used IMAT to carry out neutron Bragg edge imaging for tomographic reconstruction of residual strain. (stfc.ac.uk)
Detailed residual strain maps for such an area can be obtained by using neutron Bragg edge imaging (NBEI). (stfc.ac.uk)

it uses a relatively low dose of radiation and provides valuable information (eg, it enables clinicians to image the entire skeleton when they suspect cancer has metastasized to bone). (msdmanuals.com)

The utility of animal models in preclinical research has been increasing by the availability of methods for in vivo imaging. (researchsquare.com)

We present a lightweight and scalable artificial neural network architecture which is used to reconstruct a tomographic image from a given sinogram. (finden.co.uk)
Effectiveness of Learning Systems from Common Image File Types to Detect Osteosarcoma Based on Convolutional Neural Networks (CNNs) Models. (cdc.gov)

After acute myocardial infarction, myocardial perfusion imaging can help estimate prognosis because it can show extent of the perfusion abnormality due to acute myocardial infarction, extent of scarring due to previous infarcts, and residual peri-infarct or other areas of reversible ischemia. (msdmanuals.com)

MRI and CT scanning provide complete information with regard to the arterial branching pattern, clearly demonstrate the locations and extent of airway and esophageal obstruction, and can be used to delineate cardiac anatomy (see image below). (medscape.com)

UW researchers have developed an x-ray imaging technique that can capture diagnostic quality angiographic images and contrast media kinetics in a single scan, while reducing patient radiation dose and. (warf.org)
Computed tomographic scan showed an enlarged pulmonary trunk (4 cm in diameter) and right and left main pulmonary arteries (thrombosis was not shown in the lumens). (cdc.gov)

Image segmentation and registration aspects. (iitk.ac.in)
Shape models are employed in many tasks, such as shape reconstruction and image segmentation, but also shape generation and classification. (researchgate.net)

Stress Testing In stress testing, the heart is monitored by electrocardiography (ECG) and often imaging studies during an induced episode of increased cardiac demand so that ischemic areas potentially at risk. (msdmanuals.com)

As an alternative to established static reconstruction techniques, dynamic graft techniques have been introduced for stabilizing the patella with the aim of providing a more physiological reconstruction of the medial patellofemoral ligament. (springer.com)

To address the current lack of combined topological and quantitative information of the BCV distribution in obese ( ob/ob ) mice and their healthy lean controls, we recently assessed the full BCV distribution at 4, 8, 17, 26 and 52 weeks of age by OPT imaging analyses 12 (for schematic overview of the assay design see Fig. 1 ). (nature.com)

4D and multi-D SAR imaging allows imaging of complex scenarios, such as urban areas, and has improved performance with respect to classical interferometric techniques such as persistent scatterer interferometry (PSI). (wikipedia.org)
The current limitations in chemical imaging techniques often arise from the need for dense sampling in sinograms to achieve high-quality image reconstructions. (finden.co.uk)
It also contains more specialized and cutting-edge techniques, such as Monte-Carlo diffusion simulation, multi-fibre and HARDI reconstruction techniques, multi-fibre PICo, compartment models, and axon density and diameter estimation. (ucl.ac.uk)
With this study, we will provide much needed information on knee biomechanics after dynamic versus static MPFL reconstruction to provide evidence to support orthopedic surgeons in evidence-based decision-making in their quest for surgical techniques most favorable for their patients. (springer.com)
Nowadays, there are more accurate techniques such as CT scans, especially the cone- beam type that provides a three dimensional (3D) image showing maximum details and using low exposure doses [4,5]. (bvsalud.org)
Although advances in reconstructive techniques and prosthetic reconstruction have allowed for more effective surgical resection and rehabilitation for patients with soft palate cancers, radiation therapy remains the primary treatment modality in many centers for T1, T2, and T3 lesions, with results comparable with those of surgery. (medscape.com)

We demonstrate that the network is able to reconstruct images that are larger than 1024 × 1024. (finden.co.uk)

Systems and methods for generating one or more denoised images from a series of noisy images acquired with a medical imaging system are described. (warf.org)
Professor Lucier has worked for over twenty years on wavelet and multiresolution methods for image processing and other applications. (purdue.edu)
However, these methods lack interpretability, mainly focus on image texture, and cannot completely grasp the analyzed anatomies' shapes. (researchgate.net)
In this paper, we propose two new reconstruction methods that can decompose objects at the same time. (dtu.dk)
The development and comparison of methods for the computation of such errors associated with PET image reconstruction is the subject of this PhD. (gdr-isis.fr)
Extensive experiments suggest that our proposed approach leads to superior surface reconstructions compared to Iterative Closest Point (ICP) methods. (kobv.de)

UW-Madison researchers have developed a method for 4D (3D + time) reconstruction of arterial blood flow and subsequent quantitative evaluation of local blood flow and velocities from a single contrast. (warf.org)
A system and method is provided for imaging a contrast agent. (warf.org)

PET and CT systems rotate in the coronal plane underneath the patient sequentially to collect fully tomographic datasets. (snmjournals.org)

Visual comparison of stress and delayed images can be supplemented by quantitative displays. (msdmanuals.com)

Angiography is the criterion standard arterial imaging study for the diagnosis of PAOD. (medscape.com)

Radionuclide scanning uses the radiation released by radionuclides (called nuclear decay) to produce images. (msdmanuals.com)
Radiation produced by radionuclides may be used for imaging or for treatment of certain disorders (eg, thyroid disorders). (msdmanuals.com)

Other analytical tools are available Image Analysis Resources . (upstate.edu)
CT-based imaging biomarkers - The RILD biomarkers project consists of set of image analysis tools to quantify radiation-induced lung damage (RILD) for academic research use. (ucl.ac.uk)
Early Readout on Overall Survival of Patients With Melanoma Treated With Immunotherapy Using a Novel Imaging Analysis. (cdc.gov)
Analysis of Routine Computed Tomographic Scans With Radiomics and Machine Learning: One Step Closer to Clinical Practice. (cdc.gov)

It demonstrates the potential for accurately reconstructing images from sparsely-sampled sinograms, making it valuable for time-resolved experiments and reducing X-ray doses in medical CT. (finden.co.uk)
Since its launch in 2005, the UCL Centre for Medical Image Computing has generated a wealth of open-source software and resources. (ucl.ac.uk)
DeepReg is a freely available, community-supported, open-source toolkit for research and education in medical image registration using deep learning. (ucl.ac.uk)
Throughout the last century, medical imaging has come to revolutionise the way we diagnose disease, and is today an indispensable part of virtually any clinical practice. (avhandlingar.se)
b) To lend an overview of cutting edge applications in medical imaging. (iitk.ac.in)
He has a particular interest in applications in medical imaging (image compression for telemedicine, tomographic and MRI reconstruction, etc. (purdue.edu)

Patients with recurrent patella dislocation requiring isolated MPFL reconstruction will be recruited and randomized to the dynamic or static reconstruction technique. (springer.com)
C ombining the tomographic reconstruction technique with NBEI allows the inspection of microstructures and strain fields for a large area simultaneously in a non-destructive way. (stfc.ac.uk)

Here, we present an initial characterization of scanner performance during patient imaging. (snmjournals.org)

As they are employed for specific imaging tasks in restricted anatomic regions such as the head and neck, preliminary research suggests that they can produce images with high isotropic spatial resolution while delivering a relatively low patient dose. (ajnr.org)
We have constructed a dedicated breast PET/CT scanner capable of high-resolution functional and anatomic imaging. (snmjournals.org)

This first part in a series of 2 articles will review the physical principles underlying CBCT as it is employed in head and neck diagnostic imaging. (ajnr.org)
Diagnostic imaging. (bvsalud.org)

Tomographic reconstructions were achieved using a small number of projections. (surrey.ac.uk)

The achieved acceleration may pave the way toward the investigation of multiple large samples as well as rapid control and feedback during in situ tensor-tomographic experiments, opening. (lu.se)
The achieved acceleration may pave the way toward the investigation of multiple large samples as well as rapid control and feedback during in situ tensor-tomographic experiments, opening perspectives for the understanding of the fundamental link between functional material properties and microarchitecture. (lu.se)

Regarding patients with SCC of the soft palate, because of difficulties in adequate reconstruction, radiation therapy has been the recommended treatment for soft palate cancers in the past. (medscape.com)

The combination of WB PET with CT in a single platform (PET/CT) has been shown to have increased utility over either PET or CT alone for several oncologic imaging tasks ( 3 ). (snmjournals.org)

The image below depicts a superficial femoral artery occlusion. (medscape.com)

This first installment in a 2-part review will address the physical principles underlying CBCT imaging as it is used in dedicated head and neck scanners. (ajnr.org)
These advancements have allowed CBCT scanners to be sufficiently inexpensive and compact for operation in office-based head and neck as well as dental imaging applications. (ajnr.org)

In fact, clinical scanners used for human imaging are bulky and provide a spatial resolution of the order of tens of mm inadequate to that required for studies in mice (≤ 1mm) 2 . (researchsquare.com)

Here, we present the protocol of a randomized clinical trial for comparing clinical and biomechanical outcomes of dynamic versus static medial patellofemoral ligament reconstruction. (springer.com)
The results of the study will clarify whether the reported surgery success for patella stabilization via dynamic MPFL reconstruction is due to muscle contraction or to the passive tenodesis effect combined with clinical outcome measures. (springer.com)

Deep Learning Reconstruction Shows Better Lung Nodule Detection for Ultra-Low-Dose Chest CT. (cdc.gov)

For imaging the skeleton, technetium-99m is combined with diphosphonate and used to check for bone metastasis or infection. (msdmanuals.com)

Patients were injected with 18 F-FDG and imaged for 12.5 min per breast. (snmjournals.org)
However, because patients with a vascular ring typically present with respiratory symptoms, the diagnosis is usually made based on other imaging modes. (medscape.com)

In addition to tomographic images, three-dimensional reconstruction of the aorta and airways can be a useful tool for preoperative planning. (medscape.com)

Anatomy41

Organisms5

Diseases21

Chemicals and Drugs16

Analytical, Diagnostic and Therapeutic Techniques and Equipment135

Psychiatry and Psychology1

Phenomena and Processes28

Disciplines and Occupations6

Anthropology, Education, Sociology and Social Phenomena1

Technology, Industry, Agriculture6

Humanities1

Information Science26

Health Care23

Tomography22

Maximum-a-posterio3

Algorithm3

Volumetric4

Measurements5

Algorithms7

Diffraction1

SPECT3

Inverse4

Modalities1

Transverse5

Multiplanar2

Data20

Visualization7

Magnetic1

Attenuation1

Sagittal1

Probabilistic1

Nanoscale1

Acquisition3

Tissue9

Cross-sectional1

Object's1

Projection3

Slices1

Neutron Bragg edge3

Enables1

Vivo1

Neural2

Myocardial perfusion1

Anatomy1

Scan2

Segmentation2

Cardiac1

Physiological1

Schematic1

Techniques6

Reconstruct1

Methods6

Contrast2

Coronal1

Quantitative1

Arterial1

Radionuclides2

Analysis4

Medical6

Technique2

Characterization1

Anatomic2

Diagnostic2

Projections1

Experiments2

Radiation1

Tasks1

Depicts1

CBCT2

Spatial resolution1

Clinical2

Detection1

Bone1

Patients2

Preoperative1