During the RTP planning CT simulation, all patients were immobilized using a thermoplastic mask. For each person, a contrast-enhanced planning CT scan of the thoracic region was performed under uncoached free breathing conditions on a 16-slice CT scanner (Philips Brilliance Bores CT, Cleveland, OH, USA)). For planning CT, each scan (360° rotation) took 1.0 s to acquire followed by a 1.8-s dead time with a 2.4-cm coverage. The 3-dimensional computed tomography (3DCT) scanning procedure took approximately 30 s. The planning CT images were reconstructed using a thickness of 3 mm and then transferred to MIM software.
Brilliance bores ct
Manufactured by Philips
Sourced in Netherlands
The Brilliance Bores CT is a computed tomography (CT) imaging system manufactured by Philips. It is designed to capture high-quality, three-dimensional images of the body's internal structures. The system utilizes advanced X-ray technology to produce detailed scans that can assist healthcare professionals in the diagnosis and treatment of various medical conditions.
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Lab products found in correlation
Ge advantage 4d software, by GE Healthcare (2 mentions)
Eclipse 8, by Agilent Technologies (1 mentions)
Real time positioning management rpm gating system, by Agilent Technologies (1 mentions)
Gemini tf big bore, by Philips (1 mentions)
Eclipse 13, by Agilent Technologies (1 mentions)
Rpm respiratory gating system, by Agilent Technologies (1 mentions)
9 protocols using brilliance bores ct
1
Planning CT Simulation for Radiotherapy
2
4DCT Imaging for Breast Cancer Radiotherapy Planning
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Patients were immobilized in the supine position on a breast board using an arm support (with both arms above the head to expose the breast adequately). The 3DCT and 4DCT data sets were acquired using a 16-slice CT scanner (Philips Brilliance Bores CT, Best, the Netherlands) during free breathing.
The 3DCT scans, in which 12 contiguous slices with a thickness of 2 mm were produced per gantry rotation (1 second with a 1.8-second interval between rotations), were acquired in sequence. The 4DCT scanning was performed in the helical mode with the scanning pitch set at 0.09–0.15. The respiratory signals were sent to the scanner to label each 4DCT image with a time tag. GE Advantage 4D software (General Electric Healthcare, Waukesha, WI, USA) was used to sort the reconstructed 4DCT images into ten respiratory phases based on these tags, with 0% corresponding to EI and 50% corresponding to EE. The constructed 4DCT image sets were subsequently transferred to the Eclipse treatment planning system (Eclipse™ 8.6; Varian Medical Systems, Palo Alto, CA, USA) for structure delineation.
The 3DCT scans, in which 12 contiguous slices with a thickness of 2 mm were produced per gantry rotation (1 second with a 1.8-second interval between rotations), were acquired in sequence. The 4DCT scanning was performed in the helical mode with the scanning pitch set at 0.09–0.15. The respiratory signals were sent to the scanner to label each 4DCT image with a time tag. GE Advantage 4D software (General Electric Healthcare, Waukesha, WI, USA) was used to sort the reconstructed 4DCT images into ten respiratory phases based on these tags, with 0% corresponding to EI and 50% corresponding to EE. The constructed 4DCT image sets were subsequently transferred to the Eclipse treatment planning system (Eclipse™ 8.6; Varian Medical Systems, Palo Alto, CA, USA) for structure delineation.
3
4DCT Imaging for Radiotherapy Planning
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All patients underwent contrast-enhanced three-dimensional CT (CE-3DCT) and CE-4DCT scans sequentially on a 16-slice CT scanner (Philips Brilliance Bores CT, Netherlands) while breathing. During the simulation, vacuum bags were used to immobilize patients in the supine position with their arms extended overhead. Three laser alignment lines were marked on the patients before CT acquisition. During radiotherapy, CE-4DCT and CE-3DCT images were acquired every 10 fractions with the patients in the same position.
During the 4DCT image acquisition, the respiratory signal was recorded with the Varian Real-time Positioning Management (RPM) gating system, which tracks the trajectory of infrared markers placed on the patient’s abdomen. The signal was sent to the scanner to label each CT image with a time tag. GE Advantage 4D software (GE Healthcare, Waukesha, WI, USA) sorts the reconstructed 4DCT images into 10 respiratory phases (labeled as 0–90%) on the basis of these tags, with 0% corresponding to end inspiration and 50% corresponding to 4DCT end expiratory (EE). Both the 3DCT and 4DCT images were reconstructed with a thickness of 3 mm, and the images were transferred to the Eclipse Treatment Planning System (Eclipse 8.6) for structure delineation and treatment plan generation. The 4DCT maximum intensity projection (MIP) was created from the 10 phases of 4DCT.
During the 4DCT image acquisition, the respiratory signal was recorded with the Varian Real-time Positioning Management (RPM) gating system, which tracks the trajectory of infrared markers placed on the patient’s abdomen. The signal was sent to the scanner to label each CT image with a time tag. GE Advantage 4D software (GE Healthcare, Waukesha, WI, USA) sorts the reconstructed 4DCT images into 10 respiratory phases (labeled as 0–90%) on the basis of these tags, with 0% corresponding to end inspiration and 50% corresponding to 4DCT end expiratory (EE). Both the 3DCT and 4DCT images were reconstructed with a thickness of 3 mm, and the images were transferred to the Eclipse Treatment Planning System (Eclipse 8.6) for structure delineation and treatment plan generation. The 4DCT maximum intensity projection (MIP) was created from the 10 phases of 4DCT.
4
Multimodal Imaging Protocol for Thoracic Oncology
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All patients were immobilized using a thermoplastic mask in the supine position. For each patient, an axial enhanced 3DCT scan of the thoracic region was performed followed by an enhanced 4DCT scan using a 16-slice CT scanner (Philips Brilliance Bores CT, Koninklijke Philips N.V., Eindhoven, Netherlands). Subsequently, for each patient, an 18F-FDG PET-CT scan was performed using an integrated PET-CT scanner (Philips Gemini TF Big Bore) as described [12 (link)], with the patient placed in an identical simulation position as for the 3DCT and 4DCT scans.
5
Supine vs. Prone CT Breast Imaging
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All 3DCT data sets were acquired with a thickness of 3 mm on a 16-slice CT scanner (Philips Brilliance Bores CT, Netherlands) during free breathing. For the supine position, the patients were immobilized in the treatment position on an inclined breast board with both arms raised above the head to expose adequately the breast. Afterward, the patients were fixed on a prone dedicated treatment board (CIVCO HorizonTM Prone Breast Bracket–MTHPBB01) with no inclination degree. And the arms were in abduction, with the hands above the head. Due to the open aperture on one side of the simulation board, the ipsilateral breast could hang freely away from the chest wall. All CT images were transferred to MIM vista version 6.7.6 (MIM Software; Cleveland, OH) software.
6
CT Simulation Imaging for Breast Cancer
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During simulation, all patients were scanned in both the supine and prone positions. For each patient, the 3DCT data sets in the different positions were acquired on a 16-slice CT scanner (Philips Brilliance Bores CT, Netherlands) during free breathing. For the supine position, the patients were immobilized on a breast board (CIVCO - MT350N) with no degree incline using an arm support (with both arms above the head to expose the breast adequately) and a knee support (Fig. 1A ). Afterwards, the patients were placed in the prone position on a dedicated treatment board (CIVCO HorizonTM Prone Breast Bracket- MTHPBB01) with no degree incline using an arm support (with both arms above the head). The board contained an open aperture on one side to allow for the ipsilateral breast to hang freely away from the chest wall (Fig. 1B ). All CT images were reconstructed using a thickness of 3 mm and then transferred to the Eclipse treatment planning system (Eclipse 13.5, Varian Medical Systems, Palo Alto, CA, USA) for target and OAR delineation and to formulate treatment plans.![]()
The pictures of CT simulation in supine and prone position (
7
Thoracic CT Imaging Protocol
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During the simulation, all patients were immobilized using thermoplastic mask for covering the head, neck and shoulders in the supine position. For each patient, an axial enhanced 3DCT scan of the thoracic region was performed followed by a enhanced 4DCT scan under uncoached free breathing conditions on a 16-slice CT scanner (Philips Brilliance Bores CT) with the administration of intravenous contrast agents. A total of 100 ml of ioversol was injected intravenously, 2 ml/s for 3DCT and 1 ml/s for 4DCT. Details of 3DCT and 4DCT scan as well as image acquisition were given in Li et al. [17 (link)]. Then, 3DCT and 4DCT images were transferred to MIM (MIM-6.0.4, MIM Software Inc, Cleveland, OH) imaging software.
8
4DCT Imaging of Respiratory Motion
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Each patient underwent a 4DCT scan using a 16-slice CT scanner (Philips Brilliance Bores CT, Netherlands). Patients were positioned in the supine position with arms stretched over their heads using a vacuum bag, followed by laser alignment. Laser cross-marked points were applied to the bilateral axial midline and the anterior midline as metal markers. Axial CT mode was used to acquire images from the neck to the mid-abdomen. Scans were conducted during free breathing without any breathing control. The Real-Time Position Management (RPM) Respiratory Gating System (Varian Medical Systems, Palo Alto, CA) monitored each patient's respiration by tracking infrared markers on the abdomen. The system signaled the scanner to label each CT image with a time tag. Philips Advantage 4D software sorted the reconstructed 4DCT images into 10 respiratory phases labeled 0% to 90% based on these time tags, where 0% corresponded to end inspiration (EI) and 50% corresponded to end expiration (EE). The slice thickness of the 4D scan was 3 mm and no slice gap. All patients do not create contrast media during the scan.
9
3DCT Simulation for Breast Cancer
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Patients were scanned for three-dimensional computed tomography (3DCT) simulation under supine and prone positions on a 16-slice computed tomography (CT) scanner (Philips Brilliance Bores CT, Netherlands) with free breathing. For the supine position, the patients were immobilized on a breast board using arm support (with both arms abducted and raised overhead) and knee support. The clinically palpable ipsilateral breast was demarcated with metal wires. The CT simulation in the prone position on a specifically dedicated treatment board was performed in all patients with both arms above their head. The board contained an open aperture on one side to allow for the ipsilateral breast to hang freely away from the chest wall. The CT images were acquired in 3 mm slices from the cricothyroid membrane to 5 cm below the diaphragm. The CT dataset was exported to the Eclipse treatment planning system (Eclipse 15.5, Varian Medical Systems, Palo Alto, CA, USA) for target and OAR delineation and to formulate treatment plans.
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