首页> 外文会议>Conference on Medical Imaging: Physics of Medical Imaging >Photon Counting Readout Pixel Array in 0.18-μm CMOS technology for On-line Gamma-ray Imaging of~(103)Palladium Seeds for Permanent Breast Seed Implant (PBSI) Brachytherapy
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Photon Counting Readout Pixel Array in 0.18-μm CMOS technology for On-line Gamma-ray Imaging of~(103)Palladium Seeds for Permanent Breast Seed Implant (PBSI) Brachytherapy

机译:光子计数读出像素阵列0.18-μmCMOS技术,用于〜(103)钯种子的在线γ射线成像用于永久性乳腺种子植入物(PBSI)近距离放射治疗

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Permanent breast seed implant (PBSI) brachytherapy technique was recently introduced as an alternative to high dose rate (HDR) brachytherapy and involves the permanent implantation of radioactive~(103)Palladium seeds into the surgical cavity of the breast for cancer treatment. To enable accurate seed implantation, this research introduces a gamma camera based on a hybrid amorphous selenium detector and CMOS readout pixel architecture for real-time imaging of ~(103)Palladium seeds during the PBSI procedure. A prototype chip was designed and fabricated in 0.18-μm n-well CMOS process. We present the experimental results obtained from this integrated photon counting readout pixel.
机译:最近将永久性乳腺种子植入物(PBSI)近距离放射治疗技术作为高剂量率(HDR)近距离放射治疗的替代,并且涉及将放射性〜(103)钯种子永久植入癌症治疗的外科腔内。为了实现准确的种子植入,本研究引入了一种基于混合非晶硒检测器和CMOS读数像素架构的伽马摄像机,用于在PBSI过程中实时成像〜(103)钯种子。设计和制造了原型芯片,在0.18-μmn孔CMOS工艺中设计。我们介绍了从该集成光子计数读数像素获得的实验结果。

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