西门子E.Cam®Spect系统在加纳Korle-Bu教学医院的性能评估

British Journal of Applied Science and Technology Pub Date : 2011-03-25 DOI:10.4314/JAST.V16I1-2.64789

E. Sosu, F. Hasford, J. Amuasi

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引用次数: 0

摘要

在加纳Korle-Bu教学医院对西门子e.camR签名系列单光子发射计算机断层扫描(SPECT)系统进行了性能评估测试，以符合制造商的规范和用户的要求。测试是根据国家电气制造商协会的协议进行的，使用了不同的测量仪器和含有99m-Tc的样品。评估了系统的外部均匀性、系统能量分辨率、系统空间分辨率(无散射)、探测器屏蔽泄漏和系统平面灵敏度。系统的能量分辨率为9.38%，与制造商的规格相符。测量的平面灵敏度值为232.92 c/min/mCi，而制造商的规格为202 c/min/mCi;测量的探测器屏蔽泄漏值分别为0.001 %，0.022%和0.025%，而可接受值< 1%。性能评价证实该系统满足临床核医学成像的要求，其值可作为将来质量控制测量的数据库。

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Performance evaluation of Siemens E.Cam® Spect System at Korle-Bu Teaching Hospital (Ghana

Performance evaluation tests on Siemens e.camR Signature Series Single Photon Emission Computed Tomogra-phy (SPECT) System at Korle-Bu Teaching Hospital (Ghana) were conducted for compliance with Manufactur-erfs specifications and usersf requirements. The tests were performed according to National Electrical Manufac-turers Association protocols, and different measuring instruments and phantoms containing 99m-Tc were used. Extrinsic uniformity, System energy resolution, System spatial resolution (without scattering), Detector shield leakage and System planar sensitivity were evaluated. The System energy resolution measured was 9.38 % as against manufacturersf specification of . 9.9 %, Planar sensitivity value measured was 232.92 c/min/mCi while manufacturersf specification was 202 c/min/mCi, and Detector shield leakage values measured were 0.001 %, 0.022 % and 0.025 % against an accepted value of < 1 %. The performance evaluation confirmed that the Syst-em met requirements for clinical nuclear medicine imaging, and the values could be used as database for future quality control measurements.

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British Journal of Applied Science and Technology

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