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2015•Journal of the Korea Safety Management and ScienceOpen access

Evaluation of CT Number Difference between Radiation Therapeutic CT Simulator and Conventional CT

Jeong Min Seo, Jae Dong Rhim, Chan Hyeong Kim

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Abstract

The purpose in this study is to investigate CT number difference between conventional CT and CT simulator. It shows good correlation in CT number on the muscle, bone, and air. However, in the liver, lungs and water, the low correlation was detected. This result can become the good index for the direction of the distribution of dose difference research between CT equipment for using the computerized radiation therapy planning system.

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What this paper is about

The purpose in this study is to investigate CT number difference between conventional CT and CT simulator. It shows good correlation in CT number on the muscle, bone, and air. However, in the liver, lungs and water, the low correlation was detected. This result can become the good index for the direction of the distribution of dose difference research between CT equipment for using the computerized radiation therapy planning system.

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Available abstract

The purpose in this study is to investigate CT number difference between conventional CT and CT simulator. It shows good correlation in CT number on the muscle, bone, and air. However, in the liver, lungs and water, the low correlation was detected. This result can become the good index for the direction of the distribution of dose difference research between CT equipment for using the computerized radiation therapy planning system.

Key concepts: Nuclear medicine, Radiation treatment planning, Significant difference, Radiation dose, Correlation, Computed tomography, Medicine, Simulation

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