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Aquilion prime ct scanner

Manufactured by Canon
Sourced in Japan

The Aquilion Prime CT scanner is a diagnostic imaging device manufactured by Canon. It is designed to capture high-quality computed tomography (CT) images of the human body. The scanner utilizes advanced imaging technology to produce detailed scans that can be used by medical professionals for a variety of medical assessments and procedures.

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3 protocols using aquilion prime ct scanner

1

3D Limb Modeling from CT Scans

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Computed tomography (CT) analyses were performed using an Aquilion PRIME CT scanner (Canon Medical Systems, Ohtawara, Japan). Three-dimensional (3D) models of the limbs were created based
on the 0.500-mm-thick CT scan slices generated using OsiriX software (Pixmeo SARL, Bernex, Switzerland).
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2

CT Scanning of Radiation Phantoms

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The phantoms were scanned on a Canon Aquilion Prime CT scanner and all scans were acquired in one session with the aim of ensuring consistent scanner performance. The scanner was subject to daily quality control testing to confirm constancy. The scan parameters used were: helical scanning, 120 kV, 0.5 x 40 collimation, 0.625 pitch, 220 mm diameter reconstruction and acquisition field of view (FOV), FC21 reconstruction kernel, and image slice width and slice interval were set at 2 mm. The image matrix was 512 by 512 pixels. Iterative reconstruction (IR) was switched off. The 120 kV setting was chosen since that is the primary kilovoltage used in UK radiotherapy departments [7] . The phantom was aligned so that it was centred in the scanner aperture and the whole phantom length scanned. Initially 10 scans were acquired for one phantom. Once scanning consistency was established 3 identical scans were acquired for all the other phantoms.
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3

Comprehensive CT Acquisition Evaluation

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Images were acquired on a Canon Aquilion Prime CT scanner (Canon Medical Systems). All acquisitions covered 4 cm in z-direction, with the inserted phantoms in the center along the z-axis. The phantoms were imaged with a total of 36 different acquisition protocols to investigate all possible combinations of different tube voltage, tube current, pitch, and reconstruction settings (Fig. 2). For all acquisitions, 100-kVp tube voltage corresponded to the recommended setting of the automatic tube potential selection system. The tube current modulation (TCM) noise levels corresponded to the CT settings for high quality (SD 7.5), quality (SD 10), and standard (SD 14) as recommended by the CT vendor. Two acquisitions per protocol and phantom were performed. Images were reconstructed with 0.5-mm slice thickness and a soft tissue kernel (FC08). For analysis, the current clinical standard neck protocol was used as reference: 120-kVp, TCM SD of 7.5, 0.813 pitch, and AIDR 3D.

Acquisition flow chart. Two tube voltages, three tube currents, three pitch factors, and two image reconstruction algorithms were combined, resulting in a total of 36 possible combinations, which were investigated

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