Optima ct580 rt

Manufactured by GE Healthcare

The Optima CT580 RT is a computed tomography (CT) imaging system designed for radiation therapy planning. The system provides high-quality, low-dose imaging capabilities to support accurate treatment planning and patient positioning.

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Lab products found in correlation

Eclipse v11, by Agilent Technologies (1 mentions) Oncor, by Siemens (1 mentions)

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Optima CT580

2 protocols using optima ct580 rt

Cardiac-Sparing IMRT for Left-Sided Breast Cancer

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After the study approval by the local Ethics Committee, ten patients with left-sided BC and unfavorable cardiac anatomy (i.e. maximum heart depth ≥1.0 cm within the tangent fields) and/or unfavorable anatomy (pectus excavatum) and their relative treatment plans were retrieved from our database (Figure S1). These patients were treated between December 2012 and March 2016. All patients had lumpectomy and sentinel node biopsy followed by adjuvant radiotherapy. Due to their unfavorable cardiac anatomy, all patients received IMRT using the RapidArc (RA) technology without breath-hold technique. All patients were on supine position, both arms over the head with personalized foam and underwent non-contrast Computed Tomography (CT)-based simulation (Optima CT580 RT, General Electric Healthcare, Waukesha, WI). CT images were acquired using a 2.5 mm slice thickness from the top of the second cervical vertebral body to the bottom of the first lumbar vertebral body.

Prunaretty J., Bourgier C., Gourgou S., Lemanski C., Azria D, & Fenoglietto P. (2023). Different meaning of the mean heart dose between 3D-CRT and IMRT for breast cancer radiotherapy. Frontiers in Oncology, 12, 1066915.

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EBRT for Prostate Cancer Patients

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All patients underwent simulation CT with the GE Optima CT580 RT. During the simulation, the isocenter was located in the middle of the prostate gland. The target volume and organ at risk were delineated on the CT scan. External beam radiation therapy (EBRT) with the conventional (3D-CRT) or modulated techniques [Intensity-modulated radiotherapy (IMRT) or Volumetric Modulated Arc Therapy (VMAT)] was planned with the Eclipse v11 (Varian Medical System, USA) and Oncentra v 4.2 (Elekta, UK). RapidArc VMAT plans were delivered with a Unique or TrueBeam Stx linear accelerator (Varian Medical System, USA), equipped with Millennium MLC, while 3D-CRT and Static IMRT plans were delivered with an Oncor (Siemens Healthcare, DE) equipped with 160 MLC. All patients were instructed to follow a bowel and bladder preparation protocol before each session of radiotherapy. Different fractionation schedules were used (2, 2.5 or 3 Gy per fraction) for a total equivalent dose (EQD₂) of 76–80 Gy, considering an alpha/beta ratio of 1.5 [9] .

Sepulcri M., Fusella M., Cuppari L., Zorz A., Paiusco M, & Evangelista L. (2021). Value of 18F-fluorocholine PET/CT in predicting response to radical radiotherapy in patients with localized prostate cancer. Clinical and Translational Radiation Oncology, 30, 71-77.

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