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Big bore ct

Manufactured by Philips
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Sourced in Netherlands

The Big Bore CT is a computed tomography (CT) imaging system designed by Philips. It features a large gantry bore, enabling it to accommodate a wide range of patients and facilitate imaging procedures. The system utilizes advanced CT technology to capture high-quality images for diagnostic purposes. The core function of the Big Bore CT is to provide comprehensive imaging capabilities to support medical professionals in their diagnostic and treatment decision-making processes.

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Lab products found in correlation

Eclipse treatment planning system, by Agilent Technologies (1 mentions) Versa hd, by Elekta (1 mentions) Mosaiq, by Elekta (1 mentions) Oncentra treatment planning system version 4, by Elekta (1 mentions)

Close spelling variants of this product

Brilliance CT Big Bore (101 citations) Brilliance Big Bore CT scanner (53 citations) Brilliance Big Bore CT simulator (21 citations) Big Bore CT scanner (14 citations) 16-slice Brilliance Big Bore CT scanner (13 citations) Brilliance CT Big Bore Oncology Configuration (11 citations) GEMINI TF BIG BORE PET/CT (7 citations) Big Bore CT simulator (3 citations) 16-slice Brilliance Big Bore CT (3 citations) Brilliance CT Big Bore system (3 citations)

10 protocols using big bore ct

1

Evaluating Breast Cancer WBRT Plans

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This retrospective study utilized thirty anonymized planning computed tomography (CT) datasets of early-stage female breast cancer patients previously treated with WBRT. To maintain diversity of breast sizes and shapes, 13 right-sided and 17 left-sided cases with various breast volumes and separations were selected (Table 1). Every identifiable patient data was replaced with unique numbers as part of de-identification step, according to the centre’s ethics protocol.
Planning CT datasets were acquired using Philips CT Big Bore (Philips Healthcare, Best, The Netherlands) with patients lying supine on a lift-up board and arms raised above the head. Each slice of acquired CT datasets was 3 mm in thickness. Image registration and delineation of gross tumour volume (GTV), PTV and OARs were performed using Eclipse Treatment Planning System (TPS) (version 13.6.23; Varian Medical Systems, Palo Alto, CA, USA). GTV and PTV were contoured by the radiation oncologist. Contoured OARs included contralateral breast (CB), heart, liver, left lung, right lung, and total bilateral lungs. Lung volumes were contoured using auto-threshold function of the planning system. Heart volume was contoured based the heart atlas guidelines. Both CB and liver were delineated based on the visible breast and liver tissues, respectively.
Chen S.N., Ramachandran P, & Deb P. (2020). Dosimetric comparative study of 3DCRT, IMRT, VMAT, Ecomp, and Hybrid techniques for breast radiation therapy. Radiation Oncology Journal, 38(4), 270-281.
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2

VMAT Radiation Therapy for Pancreatic Cancer

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This retrospective study was approved by the ethics committee of South Western Sydney Local Health District. The sample consisted of 10 patients who underwent radical VMAT radiation therapy for pancreatic cancer at Liverpool and Macarthur Cancer Therapy Centres between September 2017 and May 2019. Patients required a long course of treatment (25 or more fractions), a planning CT scan acquired with a Philips CT Big Bore (Philips, Eindhoven, The Netherlands), and a complete set of daily cone beam computed tomography (CBCT) images. Dual arc 6MV VMAT treatment plans were created in the treatment planning system (TPS) (Pinnacle, version 16.0, Philips). Each patient was treated on a linear accelerator with on-board CBCT (Elekta Versa HD, Elekta AB, Stockholm, Sweden). The CBCT images were transferred from the online imaging system (XVI, Elekta AB) to the TPS. Each patient’s body mass index (BMI) and initial weight were noted, as registered in the radiation oncology information system (MOSAIQ, Elekta AB). No pretreatment dietary advice was given to patients.
Scott J., Dundas K., Surjan Y., King O., Arumugam S., Deshpande S., Udovitch M, & Lee M. (2021). Quantifying and Assessing the Dosimetric Impact of Changing Gas Volumes Throughout the Course of VMAT Radiation Therapy of Upper Gastrointestinal Tumors. Advances in Radiation Oncology, 6(3), 100650.
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3

Post-Mastectomy VMAT Radiotherapy Protocol

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20 cases were randomly selected from the patients who underwent postmastectomy VMAT in our institution from October 2018 to January 2019, including 10 cases of left-sided PMRT and 10 cases of right-sided PMRT. The patients were placed in supine position with free breathing and were immobilized using the thermoplastic mask (Klarity Medical & Equipment Co. Ltd., Guangzhou, China). The arm of the affected side was lifted upward and abducted, the arm of the unaffected side was placed at the side of the body, and the skin of the chest wall was covered with a 1-cm-thickness bolus. CT simulation images of the patients were acquired using a Philips Big Bore CT with the slice thickness of 5 mm and then transferred to the Pinnacle TPS.
Jiang S., Xue Y., Li M., Yang C., Zhang D., Wang Q., Wang J., Chen J., You J., Yuan Z., Wang X., Zhang X, & Wang W. (2022). Artificial Intelligence-Based Automated Treatment Planning of Postmastectomy Volumetric Modulated Arc Radiotherapy. Frontiers in Oncology, 12, 871871.
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4

Multimodal Imaging for Adaptive Radiotherapy

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Patients in the supine position underwent simulations with a customized vacuum immobilization device using a CT simulator (Big Bore CT, Philips Brilliance Pinnacle) with a 5-mm slice thickness scan. To minimize organ motion, and in accordance with standard practice in our department, patients drank 200 mL of water and emptied their bowels 1 hour before the planning CT scan.
Each patient had a pelvic CT and MRI (Philips Achieva 3.0 T X-Series MRI System) scan before radiotherapy. Each patient also had weekly CBCT scans performed in the treatment position throughout the course of the external-beam radiation treatment.13 (link)The serial images were acquired at the radiotherapy dose of 9 Gy/5f, 18 Gy/10f, 27 Gy/15f, 36 Gy/20f, and 48.6 Gy/27f in which every 5 fractions were followed by CBCT and once-weekly pelvic MRI scans. Therefore, the total serial images were 80 CBCTs and 80 MRIs. Each CBCT image was set at the same window/level (800/1200). In our daily practice, each CBCT data set was reconstructed and transferred electronically to a Pinnacle3 treatment planning workstation. Then image fusion was achieved by using CT–CT mutual information.
Chen W., Bai P., Pan J., Xu Y, & Chen K. (2017). Changes in Tumor Volumes and Spatial Locations Relative to Normal Tissues During Cervical Cancer Radiotherapy Assessed by Cone Beam Computed Tomography. Technology in Cancer Research & Treatment, 16(2), 246-252.
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5

Multimodal Brain Imaging Protocol

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All patients underwent preoperative MRI scans on a 3.0 T Ingenia wide bore MR system (Philips Healthcare, Best, The Netherlands), using two flexible surface coils. The scans were made using an immobilizing five-point head-and-shoulder mask. The following sequences were acquired: a T1-weighted scan before and after gadolinium contrast administration, a T2-weighted scan, and a geometrically accurate turbospin-echo DW-SPLICE sequence [11] (link) with three b-values: 0, 200, and 800 s/mm 2 . Patients also underwent a preoperative CT scan on a Big Bore CT (Philips Healthcare), which was used for image registration. Details regarding in vivo image acquisition can be found in Supplementary Material 1.
Smits H.J.G., Raaijmakers C.P.J., de Ridder M., Gouw Z.A.R., Doornaert P.A.H., Pameijer F.A., Lodeweges J.E., Ruiter L.N., Kuijer K.M., Schakel T., de Bree R., Dankbaar J.W., Terhaard C.H.J., Breimer G.E., Willems S.M, & Philippens M.E.P. (2024). Improved delineation with diffusion weighted imaging for laryngeal and hypopharyngeal tumors validated with pathology. Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, 194.
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6

Immobilization and CT Imaging Protocol

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All of the patients were immobilized with an upper thoracic thermoplastic mask in a supine position with their arms up. All of the computed tomography (CT) data sets were acquired using a helical CT scanner (Philips Big Bore CT, Cleveland, OH). The CT images were taken at a 5-mm thickness throughout the entire thorax and neck that extends to 10 cm beyond the borders of the tumor. The data were transferred to the Oncentra Treatment Planning System, version 4.3 [Nucletron V.B. (Elekta), Veenendaal, The Netherlands] according to the DICOM 3.0 protocol.
Zhang Y., Wang H., Huang X., Zhang Q., Ren R., Sun R., Zheng Z., Dong S, & Zheng A. (2019). Dosimetric comparison of TomoDirect, helical tomotherapy, VMAT, and ff-IMRT for upper thoracic esophageal carcinoma. Medical dosimetry : official journal of the American Association of Medical Dosimetrists, 44(2).
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7

Prone Breast Radiotherapy Protocol

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Patients were positioned prone on a breast board (Civco Medical Solutions, Orange City, IA), and the ipsilateral breast was allowed to hang downward, away from the thorax. Simulation-images were acquired via a Big Bore CT (Philips Medical, Fitchburg, MI), scanning from the upper level of the mandible to the lower level of diaphragm without contrast enhancement and with a slice thickness of 5 mm. All the CT images were exported to the Monaco planning system (version 3.30, Elektra AB, Stockholm, Sweden) for further contouring and treatment planning.
The clinical target volume (CTV) was defined according to the breast-cancer delineation atlas of the Radiation Therapy Oncology Group (RTOG). The tumor bed was determined according to tumor bed clips, surgery-related seroma, or postoperative skin scars. A margin (1.0 cm in the cranial-caudal direction, 0.5 cm scale out in the transverse level) was added to formulate the planning target volume (PTV). The OARs were defined according to the guidelines described by Feng et al.[12 (link)]Given that our patients were at a relatively early stage of the disease, the axilla and supraclavicular area were not assessed.
Yu J., Hu T, & Chen Y. (2016). Small-arc volumetric-modulated arc therapy: A new approach that is superior to fixed-field IMRT in optimizing dosimetric and treatment-relevant parameters for patients undergoing whole-breast irradiation following breast-conserving surgery. Medicine, 95(34), e4609.
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8

Contrast-Enhanced CT Imaging of Pelvis

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Patients were in the supine position immobilized with thermoplastic trunk mask. They received a contrast‐enhanced CT scan with a Big‐Bore CT (Philips). Images were acquired from upper bound of L1–2 cm below the lower edge of ischial tuberosity.
Wu Y., Kang K., Han C., Wang S., Chen Q., Chen Y., Zhang F, & Liu Z. (2021). A blind randomized validated convolutional neural network for auto‐segmentation of clinical target volume in rectal cancer patients receiving neoadjuvant radiotherapy. Cancer Medicine, 11(1), 166-175.
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9

Contrast-Enhanced CT Imaging of Abdomen

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All patients received a contrast-enhanced CT scan in the supine position with a Big-Bore CT (Philips, Netherlands). Images were acquired from upper bound of T11 to the lower edge of ischial tuberosity, and the slice thickness was 5 mm.
Liu Z., Hu K., Liu A., Shen J., Hou X., Lian X., Sun S., Yan J, & Zhang F. (2016). Patterns of lymph node metastasis in locally advanced cervical cancer. Medicine, 95(39), e4814.
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10

Whole-Body CT Simulation Workflow

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Figures 1(a)–1(c) show the equipment and process for CT simulation using a Philips Big bore CT (Philips, Amsterdam, Netherlands) The immobilization devices included a full‐body vacuum bag with a head plate to hold an open face mask. Patients were positioned supine with arms tightly adducted to the body sides and with legs straight. Two CT scans were acquired: a supine head‐first (SHF) scan from above the head to below the pelvis and a supine feet‐first (SFF) scan from below the feet to above the pelvis. Both scans were acquired with 5 mm slice thickness. A MIM (version 7.0.7; MIM Inc., Cleveland, OH) workflow was developed to rigidly register the SHF scan and the SFF scan in the pelvis region and then create a whole‐body CT. A reference origin point was marked in the center of the pelvis.
Guo B., Sheen C., Murphy E., Magnelli A., Lu L., Cho Y., Qi P., Majhail N.S, & Xia P. (2021). Image‐guided volumetric‐modulated arc therapy of total body irradiation: An efficient workflow from simulation to delivery. Journal of Applied Clinical Medical Physics, 22(10), 169-177.
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