Discovery ct590

Manufactured by GE Healthcare

Sourced in United States

The Discovery CT590 is a computed tomography (CT) scanner developed by GE Healthcare. It is designed to provide high-quality imaging for a variety of clinical applications. The core function of the Discovery CT590 is to capture detailed cross-sectional images of the body using advanced X-ray technology.

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Lab products found in correlation

Monaco v5, by Elekta (1 mentions) Optima ct580, by GE Healthcare (1 mentions)

Close spelling variants of this product

Discovery CT590 RT CT590

2 protocols using discovery ct590

Dual Arc Radiotherapy Planning Technique

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All patients were laid in a supine position with both arms fully abducted and externally rotated on a vacuum cushion on the all-in-one board. Treatment planning CT scans at 5-mm intervals from the ear to 2 cm below the diaphragm were obtained for each patient with a CT simulator (Discovery CT590, GE, Wisconsin, USA). The target and OARs of this study were delineated following the Radiation Therapy Oncology Group (RTOG) and the International Commission Radiological Units (ICRU) (23 , 24 ). The two groups of patients were treated with continuous semi-arc technology and tangent-arc technology. Both plans were generated using the MonacoV5.11 (Elekta AB, Stockholm, Sweden) three-dimensional treatment planning system by the same senior medical physicist. The “Dual Arc” function provided by the treatment planning system was used to generate clockwise and counterclockwise dual arcs for each plan. The doses were normalized such that the dose to 95% of the planning target volume (PTV) was the same for all plans.

Li Y., Zhan W., Jia Y., Xiong H., Lin B., Li Q., Liu H., Qiu L., Zhang Y., Ding J., Fu C, & Chen W. (2023). Application of tangent-arc technology for deep inspiration breath-hold radiotherapy in left-sided breast cancer. Frontiers in Oncology, 13, 1145332.

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Validation of Bowtie Profile Measurements

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For the purpose of independent validation of the measured bowtie profiles, HVL profiles data from a GE Optima CT580 scanner (from the study by Randazzo and Tambasco^{11 (link)}) were generously provided by the authors. As from GE’s technical reference manual, the Optima CT580 share the same x-ray tube and bowtie profiles with the Discovery CT 590 RT scanner therefore those data can be compared with the results calculated from this study from a CT590 RT scanner. The HVL profiles were calculated using the Spektr function “SpektrHVLn”, with only a small modification of the HVL accuracy, from 0.001 mm to 0.0001 mm.

Yang K., Li X., George Xu X, & Liu B. (2017). Direct and fast measurement of CT beam filter profiles with simultaneous geometrical calibration. Medical Physics, 44(1), 57-70.

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