All prostate cancer patients underwent a computed tomography (CT) simulation on a GE Lightspeed RT16 CT scanner (GE Healthcare, Chicago, Illinois, US) in a supine position with arms on the chest, using a0.25 slice thickness. A leg immobiliser was used for stabilisation and reproducibility. As per institutional protocol, a comfortably full bladder was achieved by requesting patients to first empty their bladder and then drink 2 cups of water (400 ml) 30 min prior to the CT simulation scan. The same protocol was continued for each radiotherapy treatment session. No specific rectal preparation protocol was enforced, but all patients were encouraged to empty their bowels prior to the CT simulation scan and before each treatment fraction. The CT datasets were transferred to the treatment planning system (TPS) for contouring and planning.
Ge lightspeed rt16 ct scanner
Manufactured by GE Healthcare
Sourced in United States
The GE Lightspeed RT16 CT scanner is a medical imaging device used for diagnostic purposes. It utilizes advanced X-ray technology to capture detailed, three-dimensional images of the body's internal structures. The Lightspeed RT16 is designed to provide high-quality imaging for a range of clinical applications.
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Lab products found in correlation
2 protocols using ge lightspeed rt16 ct scanner
1
Prostate Cancer CT Simulation Protocol
2
4DCT Imaging of Dynamic Thorax Phantom
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A movable and programmable platform capable of mounting the Dynamic Thorax Phantom Model 008A (CIRS Inc., Norfolk, VA, USA) was constructed by an in‐house machine shop. This platform was designed with a user interface that accepted input to control AP motion in a reproducible and consistent manner. 4DCT images were obtained using a GE Lightspeed RT16 CT scanner (General Electric, Boston, MA, USA) in cine mode (120 kV, 145 mA, 2.5 mm slice thickness, 20 mm collimation) and Real‐Time Position Management (RPM) software (Varian Medical Systems, Palo Alto, CA, USA) with both the rod and thorax phantoms mounted on the movable platform using sinusoidal and irregular breathing trace inputs. Access to patient data to obtain an irregular breathing trace for this study was approved by the institutional ethics committee (Certificate Number H18‐00629).
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