Proficiency test for radioactivity measurements in nuclear medicine (original) (raw)

2009, Journal of Radioanalytical and Nuclear Chemistry

Proficiency tests established by ISO/IEC-43 were applied to assess the performance of 69 Brazilian nuclear medicine services in the radiopharmaceuticals activity measurements of 131 I, 99 Tc m , 67 Ga and 201 Tl. The 214 datasets originated from comparison programs promoted by the Laboratório Nacional de Metrologia das Radiações Ionizantes (LNMRI) in 2006/2007 were also evaluated against acceptance criteria of ±10% limits for accuracy required by Brazilian regulatory authority. The results of performance evaluation were assigned as ''Acceptable'' or ''Not-acceptable'' accordingly and have shown a large dispersion when the statistical criteria assays were applied and also compared with regulatory requirements.

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