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Ge lightspeed rt

Manufactured by GE Healthcare
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The GE LightSpeed RT is a computed tomography (CT) system designed for medical imaging. It provides high-quality images to support accurate diagnosis and treatment planning. The system's core function is to capture detailed cross-sectional images of the patient's anatomy, which can be used by healthcare professionals for various medical applications.

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Lab products found in correlation

Ge signa scanner, by GE Healthcare (2 mentions) Open breast array mri coil, by GE Healthcare (2 mentions)

4 protocols using ge lightspeed rt

1

Dose Escalation Partial Breast Radiotherapy

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This study included 16 patients who enrolled on a preoperative, dose escalation, single‐fraction partial breast radiotherapy clinical protocol at Duke. Prior to CT scan, all patients had one titanium biopsy marker implanted to identify the tumor. Patients underwent CT (GE LightSpeed RT; GE Medical System, Milwakee, WI) scanning with 2.5 mm slice thickness in the prone position on a CDR prone breast board (CDR Systems Inc, Calgary, AB, Canada), which was placed on top of the CT table and treatment couch. The head was turned to the ipsilateral side and both arms were raised up to hold the handles above the head. The ipsilateral breast (ILB) was allowed to fall naturally through the opening of the prone breast board while the contralateral breast(21) was pulled away with the support of the bridge plate on the board.(22) CT origin was marked on the patient's skin and the board. Patients also underwent MRI in the prone position (1.5 Tesla GE Signa scanner; GE Medical System) using the open breast array MRI coil (GE Medical System). T1 weighted and dynamic contrast‐enhanced MR images were acquired to delineate the tumor.
Yoo S., Blitzblau R., Yin F, & Horton J.K. (2015). Dosimetric comparison of preoperative single‐fraction partial breast radiotherapy techniques: 3D CRT, noncoplanar IMRT, coplanar IMRT, and VMAT. Journal of Applied Clinical Medical Physics, 16(1), 183-207.
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2

Lung Cancer CT Scans for Radiotherapy

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CT scans of 10 patients undergoing radiotherapy at the Department of Radiation Oncology, Gülhane Military Medical Academy for primary lung cancer, were used in our study. Informed consents of all patients were taken before CT acquisition at the dedicated CT-simulator (GE Lightspeed RT, GE Healthcare, Chalfont St. Giles, UK). Slices are 512 × 512 pixel, 16-bit gray level matrices; and pixel size ranges between 0.76 mm and 1.27 mm. The average number of slices per scan is 100 (range: 79 to 129 slices) while slice thickness ranges between 2.5 mm and 5 mm.
In addition to the 10 CT scans of the 10 patients with lung cancer, we also used 10 different thoracic CT scans from the Lung Image Database Consortium (LIDC) [29 ] which is a public database headed by the US National Cancer Institute.
To compare our method with other methods, we implemented the algorithms proposed in other studies [7 (link), 10 (link), 11 (link), 27 (link)].
Figure 1 shows the workflow in our study.
Özsavaş E.E., Telatar Z., Dirican B., Sağer Ö, & Beyzadeoğlu M. (2014). Automatic Segmentation of Anatomical Structures from CT Scans of Thorax for RTP. Computational and Mathematical Methods in Medicine, 2014, 472890.
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3

Preoperative partial breast radiotherapy protocol

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This study included 16 patients who enrolled on a preoperative, dose escalation, single-fraction partial breast radiotherapy clinical protocol at Duke. Prior to CT scan, all patients had one titanium biopsy marker implanted to identify the tumor. Patients underwent CT (GE LightSpeed RT; GE Medical System, Milwakee, WI) scanning with 2.5 mm slice thickness in the prone position on a CDR prone breast board (CDR Systems Inc, Calgary, AB, Canada), which was placed on top of the CT table and treatment couch. The head was turned to the ipsilateral side and both arms were raised up to hold the handles above the head. The ipsilateral breast (ILB) was allowed to fall naturally through the opening of the prone breast board while the contralateral breast(21 (link)) was pulled away with the support of the bridge plate on the board.(22 ) CT origin was marked on the patient’s skin and the board. Patients also underwent MRI in the prone position (1.5 Tesla GE Signa scanner; GE Medical System) using the open breast array MRI coil (GE Medical System). T1 weighted and dynamic contrast-enhanced MR images were acquired to delineate the tumor.
Yoo S., Blitzblau R., Yin F, & Horton J.K. (2015). Dosimetric comparison of preoperative single‐fraction partial breast radiotherapy techniques: 3D CRT, noncoplanar IMRT, coplanar IMRT, and VMAT. Journal of Applied Clinical Medical Physics, 16(1), 183-207.
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4

Breast MRI and CT Simulation Protocol

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A treatment planning breast magnetic resonance imaging (MRI) was performed in the XXXX Department of Radiation Oncology (n=21) or at a diagnostic MRI (n=11) facility. Most patients were scanned in the prone position (n=30) on a dedicated 4-Channel Breast Coil (GE Healthcare or Hologic (Bedford, MA)) with arms up. Two patients were scanned supine with a 4-Channel Torso Array Coil (GE Healthcare). T1 and T2-weighted imaging, and dynamic contrast enhanced (DCE) images were obtained on a scanner with at least 1.5 Tesla magnet strength for characterization of the target volume. Diffusion weighted images (DWI) were acquired when feasible.
A planning CT scan (GE Light-speed RT, GE Medical System, Milwaukee, WI) was then conducted in the same position as the treatment planning MRI using a prone breast board (CDR systems Inc, Calgary, Alberta, Canada) or a BodyFix® (Elekta Oncology System, Stockholm, Sweden) supine board.
Horton J.K., Blitzblau R.C., Yoo S., Geradts J., Chang Z., Baker J.A., Georgiade G.S., Chen W., Siamakpour-Reihani S., Wang C., Broadwater G., Groth J., Palta M., Dewhirst M., Barry W.T., Duffy E.A., Chi J.T, & Hwang E.S. (2015). Preoperative Single-Fraction Partial Breast Radiotherapy – A Novel Phase I Dose-Escalation Protocol with Radiation Response Biomarkers. International journal of radiation oncology, biology, physics, 92(4), 846-855.
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