Dual energy computed tomography
Optimized management of urolithiasis by coloured stent-stone contrast using dual-energy computed tomography (DECT)
... like dual-energy computed tomography (DECT) acquisition of additional information on chemical stone composition is now ...x-ray energy spectra is utilized to differentiate uric-acid ...
5
Monosodium urate burden assessed with dual energy computed tomography predicts the risk of flares in gout: a 12 month observational study
... Fig. 1 ROC curve explaining the risk of presenting with at least one flare during the first 6 months of follow up, with the monosodium urate volume deposited in the feet measured with dual-energy ...
9
Detection of calcium pyrophosphate dihydrate crystals in knee meniscus by dual-energy computed tomography
... Although dual-energy computed tomography (DECT) was first conceived in 1976, it has not been used widely for clinical indications ...of dual-energy imaging is based on physical ...
6
Original Article The value of performing dual-source dual-energy computed tomography in analysis strategy for urinary mixed stone
... using Dual-Source Dual-Energy Computed Tomography (DSDECT) in ...and dual-energy index (DEI) at 80 kVp and 140 ...values, dual- energy and DEI were ...
10
In vivo determination of renal stone composition with dual-energy computed tomography
... Method: Nineteen patients with renal stones for percutaneous nephrolithotomy were evaluated with single-source dual-energy computed tomography on a Discovery CT 750HD. The Gemstone Spectral ...
5
Iodine concentration calculated by dual-energy computed tomography (DECT) as a functional parameter to evaluate thyroid metabolism in patients with hyperthyroidism
... 15. Koonce JD, Vliegenthart R, Schoepf UJ, Schmidt B, Wahlquist AE, Nietert PJ, Bastarrika G, Flohr TG, Meinel FG. Accuracy of dual-energy computed tomography for the measurement of iodine ...
6
Urate crystal deposition and bone erosion in gout: ‘inside out’ or ‘outside in’? A dual energy computed tomography study
... three-dimensional dual-energy computed tomography (DECT) to analyse the positional relationship between bone and MSU crystal deposition in tophaceous gout, and to determine whether ...
6
Ultrasonography and dual energy computed tomography provide different quantification of urate burden in gout: results from a cross sectional study
... Two techniques are particularly promising in that re- spect: ultrasonography (US) and dual-energy computed tomography (DECT). US performance in the diagnosis of gout is now well-recognised and ...
8
Lack of change in urate deposition by dual energy computed tomography among clinically stable patients with long standing tophaceous gout: a prospective longitudinal study
... Dual-energy computed tomography (DECT) is a new ad- vanced imaging method that allows rapid noninvasive as- sessment of urate deposition in patients with gout ...a dual-source, ...
8
Application of Dual Energy Computed Tomography for Breast Cancer Diagnosis
... using dual-energy computed tomography (CT) before therapy to discriminate between normal breast tissue and tumor tissue in patients with breast cancer, without the need to use a contrast me- ...
11
Analysis of Subchondral Bone and Microvessels Using a Novel Vascular Perfusion Contrast Agent and Optimized Dual-Energy Computed Tomography
... operatively) were averaged and plotted with their standard deviation. Linear regression analysis reported across the entire study duration revealed no statistically deviation from a slope of zero (p = 0.0828). ...
177
Dual energy computed tomography has limited sensitivity for non tophaceous gout: a comparison study with tophaceous gout
... Gout is an inflammatory arthritis characterized by the deposition of monosodium urate (MSU) crystals in joints, cartilage, and soft tissues [1]. The untreated dis- ease can lead to formation of tophi, chronic synovitis, ...
9
Dual Energy X Ray Computed Tomography Scanner Using Two Different Energy Selection Electronics and a Lutetium Oxyorthosilicate Photomultiplier Detector
... X-ray energy ranges si- multaneously, we have constructed a dual-energy X-ray photon counter with a lutetium-oxyorthosilicate photomultiplier detector system, three compara- tors, two microcomputers, ...
14
Development of a small animal conformal irradiator with dual energy x-ray computed tomography imaging for kilovoltage dosimetry
... preclinical irradiation technology. 13 Even with these new platforms, a number of limitations were identified at the outset of this thesis. These include the maximum animal size amenable to treatment in a micro-CT based ...
193
Energy differentiating Micro-Computed Tomography System and Energy Axis Reconstruction Algorithms.
... using dual-energy rather than single-energy digital mammography (Bliznakova, Kolitsi and Pallikarakis, ...real dual-energy digital mammography based on commercially available ...
288
Dual energy imaging for determining urinary calculi composition: A theoretical and experimental study with computed tomography
... for dual energy imaging has been done for chest radiographs and mammography and general ...high energy beams which should increase the accuracy of the dual energy values and improve the ...
102
Clinical applications of virtual, non-contrast head images derived from dual-source, dual-energy cerebrovascular computed tomography angiography
... 11. Whitman GJ, Niklason LT, Pandit M, Oliver LC, Atkins EH, Kinnard O, Alexander AH, Weiss MK, Sunku K, Schulze ES, Greene RE (2002) Dual-energy digital subtrac on chest radiography: technical considera ...
6
R4-B.2: Multi-energy, Limited View Computed Tomography (CT)
... and dual energy systems for mapping materials throughout a piece of luggage and, hence, more accurately identifying threat ...an energy-by-energy basis fail to fully exploit the ...
6
Development of energy selective techniques in x ray computed tomography
... In this section, I applied the calibrated AMP model on the rock samples used in section 5.5; which are Bentheimer and Berea sandstones and a carbonate, to calcu- late their ρ and Z distributions. Similarly to the ...
200
Energy enhanced tissue texture in spectral computed tomography for lesion classification
... Using the spectral enriched tissue texture for lesion classification will be another important issue once we would have obtained high quality spectral CT images. To our best knowledge, only a few studies [15–19] are ...
12