PET扫描仪的基本性能，EXACT HR/sup +/，具有可调的数据采集参数

1998 IEEE Nuclear Science Symposium Conference Record. 1998 IEEE Nuclear Science Symposium and Medical Imaging Conference (Cat. No.98CH36255) Pub Date : 1998-11-08 DOI:10.1109/NSSMIC.1998.773872

T. Hasegawa, Y. Wada, H. Murayama, T. Nakajima

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引用次数: 4

摘要

参考操作软件中可调的数据采集参数:最大环差、跨度、角压缩和重叠，分析ECAT EXACT HR/sup +/ (Siemens/CTI)的性能。根据美国电气制造商协会(NEMA)的标准协议进行了轻微修改。扫描仪的性能，如灵敏度和分辨率显示依赖于各种方式的参数在三维模式。讨论了改变数据采集参数的优缺点。综上所述，为了使PET测量的效率最大化，应根据具体的临床情况仔细选择数据采集参数。

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Basic performance of the PET scanner, EXACT HR/sup +/, with adjustable data-acquisition parameters

The performance of ECAT EXACT HR/sup +/ (Siemens/CTI) was analyzed with reference to the following adjustable data-acquisition parameters in the operation software: maximum ring difference, span, angular compression and overlap. The standard protocol by the National Electrical Manufacturers Association (NEMA) was followed with minor modification. Scanner performance such as sensitivity and resolution was shown to be dependent on the parameters in a variety of manners in the three-dimensional mode. The advantages and disadvantages of altering the data-acquisition parameters were discussed. It was concluded that the data-acquisition parameters should be carefully selected for a specific clinical situation in order to maximize the efficiency of PET measurement.

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来源期刊

1998 IEEE Nuclear Science Symposium Conference Record. 1998 IEEE Nuclear Science Symposium and Medical Imaging Conference (Cat. No.98CH36255)

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