One observer segmented two sets of quintuplicate CT images that were acquired by the Siemens Sensation 64 and the Philips Brilliance 64, using their standard patient imaging protocols. Note that the differences in the standard patient imaging protocols include exposure level (mAs), slice thickness, increment level and reconstruction filter.
Sensation 64
Manufactured by Philips
Sourced in Germany
The Philips Sensation 64 is a computed tomography (CT) imaging system. It is designed to capture high-quality, detailed images of the body's internal structures. The Sensation 64 utilizes 64-slice technology, allowing for rapid scanning and reconstruction of images.
Automatically generated - may contain errors
Lab products found in correlation
Emotion 16, by Philips (3 mentions)
Definition as, by Philips (2 mentions)
Lightspeed 16, by Siemens (2 mentions)
Lightspeed vct, by Siemens (2 mentions)
Ingenuity ct, by Philips (2 mentions)
Ict 256, by Philips (2 mentions)
Lightspeed vct, by GE Healthcare (2 mentions)
Brilliance 64, by Philips (1 mentions)
Revolution ct, by Siemens (1 mentions)
Lightspeed 16, by GE Healthcare (1 mentions)
Lightspeed 64, by GE Healthcare (1 mentions)
Brilliance 64, by GE Healthcare (1 mentions)
Volume zoom, by Siemens (1 mentions)
Ict256, by Toshiba (1 mentions)
7 protocols using sensation 64
1
Imaging Protocol Comparison: Siemens vs. Philips
2
Pulmonary CT Imaging Protocols
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Pulmonary CT images were obtained using scanners from GE (LightSpeed VCT, LightSpeed 16, and HiSpeed CT/i), Siemens (Definition AS+, Emotion 16, and Sensation 64), and Philips (iCT 256 and Ingenuity CT) Healthcare systems. The CT image parameters were as follows: 100–130 kVp; 47–351 mA; slice thickness, 0.6–1.25 mm; pixel spacing, 0.38–0.89 mm; reconstruction interval, 0.39–6 mm; and matrix, 512 mm × 512 mm.
3
Chest CT Image Acquisition Protocol
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The assessed CT images were the most recent CT images before surgery. All CT images in the DICOM format, without preprocessing or normalization, were considered. Chest CT images were obtained with a 16-, 64-, 128- or 256-detector row CT scanner from the following manufacturers: GE (LightSpeed 16, LightSpeed VCT, Revolution CT and Revolution RVO), Siemens (Emotion 16, Sensation 64 and SOMATON Definition AS+), Philips (iCT 256 and Ingenuity CT) and Canon (Aquilion ONE) Medical Systems. The CT image parameters were as follows: detector collimation, 0.5–0.625 mm; pitch, 0.813–1.2; gantry speed, 0.35 or 0.5 s per rotation; 120 kVp; 41–330 mA; slice thickness, 1.0–1.25 mm; and matrix, 512 × 512.
4
High-resolution CT Imaging of Patients
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A high-resolution CT (HRCT) scan was performed in all patients with 64-slice multi-detector row CT scanners (Siemens Sensation-64, Philips Brilliance-64, and GE LightSpeed-64). Patients were scanned in the supine position; head first, during breath-hold. Scanning parameters were tube voltage 100−120 kV, tube current 110−280 mA, pitch 1.375, FOV 350−400 mm. The 1.25-mm or 2.5-mm-thick images were reconstructed using a high-frequency reconstruction algorithm. All examinations were non-enhanced and no intravenous contrast medium was administered.
5
Chest CT Scan Acquisition Protocol
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Chest CT scans used in this study were acquired from the following manufacturers using a multidetector (16-, 32-, or 64-detector row) CT scanner: GE (LightSpeed VCT, LightSpeed 16, and HiSpeed CT/I, Chicago, IL, USA), Siemens (Definition AS+, Emotion 16, and Sensation 64, Erlangen, Germany), and Philips (iCT 256 and Ingenuity CT, Amsterdam, Netherlands) Healthcare systems. The CT image parameters were as follows: detector collimation, 0.6–1.25 mm; field of view, 20–38 cm; beam pitch, 0.800–1.396; beam width, 10–40 mm; gantry speed, 0.5 or 0.8 s per rotation; 100–130 kVp; 47–351 mA; reconstruction interval, 0.39–6 mm; matrix, 512 × 512 mm2.
6
CT Scoring for Interstitial Lung Disease
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We used a 64-slice/256-slice/4-slice multiple-detector CT scanner purchased from Somatom Sensation 64 (Germany), Phillips (USA), and Siemens Volume Zoom (Germany) for CT scans followed by rebuilding of all images using B70 kernel purchased from Siemens (Germany) for high spatial frequency. We followed a previous report [19 (link)] for the purpose of visual CT scoring through percentage lobar basis by estimating the extent of total interstitial lung disease. We categorized the result of traction bronchiectasis as “severity” and “extent” scores. The first one was labelled as: none, mild, moderate, severe having respective points of 0, 1, 2, and 3 in a 19-point scale (score range=0–18) by taking the average of the extent of dilatation throughout the lobe and degree of airway dilatation within areas of fibrosis. The second one was labeled by summing up the numbers of segments of the lung (to a maximum of 3 segments per lobe) containing traction bronchiectasis and showing it on a 17-point scale (score range=0–16).
7
Evaluating Chest CT for Lung Imaging
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Each subject's most recent clinically indicated chest CT was reviewed; the average time between CT and MRI of all subjects was 9.4 6 20 months. The CT images used for evaluation were acquired at each subject's corresponding medical center. Inspiratory CT data from various manufacturers were used: Siemens (Erlangen, Germany, Sensation 64, Somatom Definition), Philips (Best, Netherlands, iCT 256), Toshiba (Tustin, CA, Aquilion), GE (Milwaukee, WI, LightSpeed VCT). CT images were acquired with the following general parameters: coached breath-hold at inspiration, axial orientation, slice thickness ranged from of 0.7 to 5 mm, a medium convolution kernel (B31f, B30f, FC07, or Standard), and an in-plane resolution which varied from 0.55 3 0.55 mm 2 to 0.78 3 0.78 mm 2 . Expiratory CT images were not uniformly acquired and hence were excluded from analysis.
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