List the clinical applications of dualenergy ct in various pulmonary diseases. The iodine component detected with the dect technique was displayed in red in the iodine overlay and fusion images. The data sets of ct images at different voltages for the same slices were analyzed to measure the iodine concentration with use of brain hemorrhage algorithm of the syngo dual energy software. Ct images was performed by using a commercially available software syngo. It is distributed under the terms of a permissive, bsdstyle license. Comparative study of dual energy ct iodine imaging and.
Postprocessing of dect was performed using dedicated software syngo. Syngo dualenergy software siemens healthcare, using. Software modules available for dual spiral dual energy. Ct dual energy 3 basic viewer with optimum contrast and monoenergetic imaging. The syngo dual energy software package that is addressed in this premarket notification, is substantially equivalent to the following commercially available siemens medical systems devices. Monoenergetic application with extrapolation of low photon energy 70 kev and high photon energy 150 kev was performed. Trusted technology partner for energy efficient, safe and secure buildings and infrastructure. Dualenergy virtual noncalcium ct images provide excellent diagnostic.
The basis for this approach is a material decomposition into iodine contrast agent, fat, and liver tissue. Dualenergy postprocessing was performed using dedicated software syngo dual energy brain hemorrhage, siemens. Based on our experience, around half of the performed dect examinations show no such deposits and thus were useless for this indication. Original article quantification of lung perfusion blood volume by dualenergy ct in patients with and without chronic obstructive pulmonary disease h. Using dualenergyanalysis materialdecomposition software syngo dualenergy brain hemorrhage, siemens, we produced iodine overlay images, vnc images, fusion images of iodine overlay and vnc images from the 2 sets of images.
Usa page 7 traditional 5 10k for syngo dual energy confidential. Metal artifact reduction by monoenergetic extrapolation of. Diagnosis of acute ischemia using dual energy ct after. Dualenergy ct for detection of traumatic bone bruises in. This new dual energy viewer assists you in the initial inspection of dual energy data by including the wellestablished features optimum contrast and monoenergetic images. And applications combined with rapid results technology it helps to account for workflow efficiency as well as standardization of quality of care by automatic image. Dualenergy analysis was conducted using commercially available software applications based on threematerial decomposition analysis syngo dual energy, liver vnc. The iodine map image and the conventional 120 kvp images were generated from the low and high voltage ct data sets with slice thickness of 5 mm. Technical limitations of dualenergy ct in neuroradiology. Iodine quantification using dualenergy computed tomography. C, quasi monoenergetic image extrapolated to 140 kev. The liver vnc application class syngo, dual energy, siemens medical solutions, erlangen, germany was used to reconstruct transverse vnc images without changing slice thickness or reconstruction intervals. Advances in ct perfusion imaging imaging technology news.
Screenshot from syngo dual energy gout application shows a graphical representation of twomaterial decompositio n algorithm. Dual spiral dual energy comes with dedicated applications for your clinical area. Dualenergy ct in the evaluation of intracerebral hemorrhage. Dualenergy computed tomography data analysis was performed with commercial software syngo. This is accomplished by the hardplaque application in the dualenergy syngo software siemens medical solution, forchheim, germany. Trusted technology partner for energyefficient, safe and secure buildings and infrastructure. Discover a world of difference siemens healthineers usa.
Ct virtual unenhanced is selectable in the ui if the case is an abdomen scan acquired with contrast media. Syngo dual energy software ct workplace va44, siemens healthcare was used to process these data and allowed for volume calculation. Screen shot of gout algorithm shows differences in attenuation between. The dual energy approach reliably isolates even complex vasculature, for example, at the base of the skull where ctas are difficult to interpret. Clinical applications in various pulmonary diseases. Methods diagnostic singlecentre study of 40 patients with active gout, and 41 individuals with other types of joint disease.
The clinical reference standard of xray diffraction analysis was used to assess noninferiority. Ct cardiovascular imaging siemens healthineers global. Bone 450 hu iodine 144 hu 140 kvbecause xray absorption is energy using a single source ct scanner, diagnosing the circled dual source ct, on the other hand, enables you to easilydependent, changing the tubes kilo area becomes difficult, as insufficient information does differentiate. The dualenergy scans were postprocessed using syngo. Objectives this study sought to evaluate whether patterns of myocardial change in doxorubicininduced dilated cardiomyopathy determined using dualenergy computed tomography ct were similar to characterization by extracellular volume fraction ecv using cardiac magnetic resonance cmr t1mapping and collagen volume fraction cvf measured using histology. Dual energy computed tomography dect is a new diagnostic tool for gout, but its sensitivity has not been established. Dualenergy ct for detection of traumatic bone bruises in the. Objective the dualenergy ct dect algorithm for urate detection is feasible only if hyperdense deposits are present. Images were generated by a secondgeneration 128slice dual source ct system definition flash.
The learning curve is quick, entailing a rapid training session with the software. Nov 27, 2019 the dual energy scans were postprocessed using syngo. Physicsinformed deep learning for dualenergy computed. You can also create virtual noncontrast information using the dual energy information from fat and liver material. Single source dual energy scanners support only the following dual energy applications. Quantification of lung perfusion blood volume by dual. You can also create virtual noncontrast information using. Images were generated with syngo dualenergy software version ve32b, siemens healthcare of 72yearold woman with liver metastasis from colorectal cancer. As an intelligent, integrated imaging software syngo. Threeround rois were drawn manually using an electronic cursor, which were placed to include the solid tumor.
We prospectively enrolled patients with crystalproven. Quantification of lung perfusion blood volume by dualenergy. The dualenergy cta or ctv data were processed using the siemens syngo via workstation equipped with the software that can extract the virtual monoenergetic images at the arbitrary photon energies ranging from 30 kev to kev. Objectives to assess the accuracy of dual energy ct dect for diagnosing gout, and to explore whether it can have any impact on clinical decision making beyond the established diagnostic approach using polarising microscopy of synovial fluid diagnostic yield. Iodine concentration calculated by dualenergy computed. Does beamhardening artifact from dense contrast medium. Ct series were postprocessed on a commercially available threedimensional workstation syngo. The discriminatory power of dual energy ct comes at no extra cost in terms of radiation dose or image quality as compared with single energy unenhanced ct. This provides clinical utility in detection of urate crystals, bone marrow edema, reduction of beam. Ct syngo dual energy viewer on the syngo multimodality work place mmwp and on the ct workplace, model number 10094833.
Siemens healthcare with two xray tubes operating at 80 and 140 kv. The solution streamlines the simulation process, which consists of marking the patient a key step in delivering the best possible treatment. The materialspecific difference in attenuation of urate between the two voltages allowed accurate detection of the msu. Our goal was to assess the sensitivity of dect for the detection of monosodium urate msu deposits in nontophaceous and tophaceous gout, both at the level of the patient and that of the individual joint or lesion. Products, systems and solutions for energy automation. Apr 30, 2019 we analysed in vitro the appearance of commonly used ureteral stents with dualenergy computed tomography dect and we used these characteristics to optimize the differentiation between stents and adjacent stone.
Siemens healthcare, although we evaluated two materials, namely water and iodine alone, instead of three materials. A dialog should appear asking do you want to run or save this file. Optimized management of urolithiasis by coloured stent. Clinical validation of dualsource dualenergy computed. We analysed in vitro the appearance of commonly used ureteral stents with dualenergy computed tomography dect and we used these characteristics to optimize the differentiation between stents and adjacent stone. Dualenergy computed tomography has limited sensitivity for. Download scientific diagram syngo dual energy software siemens healthcare. Energypro v6 title24 modules rm0,rm1, nrm0 thru nrm6 have been decertified for any new project submittals after jan 1, 2017.
Evaluation of pulmonary embolism in pediatric patients. Somatom confidence rt pro is complemented by the new syngo. By therefore differentiating between hard plaques and contrast agent this dual energy application helps to display the true vessel lumen without interfering hard plaques. This proprietary software is provided by the vendor, and employs engineering specifications of. In this initial study, we have demonstrated that dual energy ct can help accurately differentiate intraparenchymal hemorrhage from iodinated contrast material staining. Siemens healthineers introduces somatom confidence rt pro. Dect was performed on 11 patients with crystalproven non. Attenuation values at low energy 80 kvp are plotted on the y axis.
If you have a direct connection to the internet, click here to download silverlight from microsoft. We compared the sensitivity of dect, us, and xray xr in pseudogout. Provides configurable, automatic mapping of the caserelevant dual energy applications based on the body region and the use of contrast medium. Get data sheets, manuals, brochures and more at our download center. The dualenergy datasets were postprocessed using clinically available dedicated software. Dualenergy computed tomography has limited sensitivity. Assessment of myocardial perfusion syngo dual energy heart pbv. Optimising dualenergy ct scan parameters for virtual noncalcium.
A dualenergy 3material decomposition algorithm was used to differentiate yellow marrow and red marrow for imaging analysis 8. Evaluation of computeraided detection and dual energy. Principles and clinical application of dualenergy ct in. Evaluation of pulmonary embolism in pediatric patients with. Objectives to assess the accuracy of dualenergy ct dect for diagnosing gout, and to explore whether it can have any impact on clinical decision making beyond the established diagnostic approach using polarising microscopy of synovial fluid diagnostic yield.
By using dedicated dualenergy postprocessing software syngo dual energy software. Dualenergy ct dect is a relatively new technique offering specific. The easytouse scan mode makes single source dual energy available for your daily routine 247. Clinical applications of dualenergy ct in head and neck imaging. This unit contains the following registered medical devices. They were placed in a selfbuild phantom model and measured using the somatom force dual source ct. Advanced imaging modalities such as ultrasound us and dualenergy ct dect can help diagnose crystalline arthritis. Sensitivity of dualenergy ct, ultrasound, and xray for. Reviewers selected the slice that showed the largest part of the tumor. Ncct images underwent computer software postprocessing using dual energy brain hemorrhage evaluation software on a siemens syngo mmwp ve50a workstation to virtually remove iodine contrast using a three material decomposition brain parenchyma, hemorrhage, iodine method producing a vnc image set and an iodine overlay image. Screenshot from syngo dualenergy gout application shows a graphical representation of twomaterial decompositio n algorithm. While this is a crossmodality software, attention will be paid to the syngo user interface as it relates to computed tomography.
Our diagnostic accuracy study investigates whether conventional radiographs can serve as gatekeeper test prior to dect for reliable. There is a trade off between metal artefact reduction and optimal contrast enhancement of the vascular lumen. However, this application works only for dense calcifications such as those. Dect is a highly sensitive and specific modality to detect gout and has not been well studied in pseudogout. This webbased training will introduce the learner to siemens proprietary imaging platform, syngo. Dualenergy computed tomography dect is a new diagnostic tool for gout, but its sensitivity has not been established. At the radiological society of north america rsna meeting in december 2011, key advanced visualization software makers terarecon and vital images both released the first thirdparty software. Furthermore all other dual energy applications available on your syngo. Pdf clinical applications of dualenergy ct in head and. Iodine quantification using dualenergy computed tomography for. A twomaterial decomposition algorithm was performed on a multitechnique ct workspace swversion va20 siemens healthcare using syngo dualenergy siemens healthcare software. For our analysis, the livervnc application of the syngo dual energy software was used with modified parameters. Dual energy computed tomography dect is a recently commercially available technology that is used in a.
Principles and clinical application of dualenergy ct in the. For each joint dect postprocessing took approximately 2 minutes. Differentiation of hemorrhage from iodinated contrast in. Myocardial characterization using dualenergy ct in. This method for calculating the virtual noncalcium image assumes that the ct number at each voltage is. Basic components and features such as the monitor layout, menus, task cards, and the patient browser will be discussed. In chronic obstructive pulmonary disease copd, pulmonary vascular alteration is one of the characteristic features. Medcram medical lectures explained clearly 644,843 views.
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