POSITRON TOMOGRAPH USING OPTICALLY COUPLED DETECTORS

这笔赠款的目标是建造和评估一个 正电子发射断层扫描仪(PET)，大视场轴向视场为20 25厘米。这种设备非常适合全身测量。 在转移性肿瘤的检测和分期中是必要的；它将具有 两倍的视野和四倍于当前状态的灵敏度- 最先进的PET扫描仪。这一性能改进是可能的，它将 有必要实施和评估完全三维的 重建算法。初步结果表明，这是 该算法不仅可以提高图像质量，而且可以提高图像质量 有可能在现有技术的基础上在临床上实现它 可接受的重建时间。

The objective of this grant is the construction and evaluation of a Positron Emission Tomograph (PET) with a large axial field of view of 20- 25 cm. This device will be ideally suited for whole body surveys necessary in the detection and staging of metastatic tumors; it will have twice the field of view and four times the sensitivity of current state- of-the-art PET scanners. This performance improvement possible it will be necessary to implement and evaluate a fully three-dimensional reconstruction algorithm. Preliminary results indicate that this algorithm will not only improve the image quality but it will also be possible to implement it given existing technology with clinically acceptable reconstruction times.